./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:04:13,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:04:13,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:04:13,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:04:13,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:04:13,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:04:13,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:04:13,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:04:13,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:04:13,118 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:04:13,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:04:13,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:04:13,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:04:13,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:04:13,119 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:04:13,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:04:13,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:04:13,121 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:04:13,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:04:13,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:04:13,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:04:13,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:04:13,123 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 [2025-03-09 02:04:13,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:04:13,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:04:13,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:04:13,360 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:04:13,361 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:04:13,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2025-03-09 02:04:14,484 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a11d0eb/745e2245ea7a4fb4aaeddf9cbbfd7b80/FLAGb3180077a [2025-03-09 02:04:14,671 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:04:14,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2025-03-09 02:04:14,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a11d0eb/745e2245ea7a4fb4aaeddf9cbbfd7b80/FLAGb3180077a [2025-03-09 02:04:14,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a11d0eb/745e2245ea7a4fb4aaeddf9cbbfd7b80 [2025-03-09 02:04:14,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:04:14,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:04:14,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:04:14,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:04:14,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:04:14,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5175d831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14, skipping insertion in model container [2025-03-09 02:04:14,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:04:14,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:04:14,879 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:04:14,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:04:14,912 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:04:14,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14 WrapperNode [2025-03-09 02:04:14,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:04:14,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:04:14,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:04:14,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:04:14,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,946 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2025-03-09 02:04:14,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:04:14,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:04:14,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:04:14,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:04:14,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,971 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 02:04:14,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,974 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:04:14,984 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:04:14,984 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:04:14,984 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:04:14,985 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (1/1) ... [2025-03-09 02:04:14,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:04:14,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:15,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:04:15,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:04:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:04:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:04:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:04:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:04:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:04:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:04:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:04:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:04:15,074 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:04:15,075 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:04:15,412 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-03-09 02:04:15,412 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:04:15,422 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:04:15,423 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:04:15,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:04:15 BoogieIcfgContainer [2025-03-09 02:04:15,423 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:04:15,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:04:15,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:04:15,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:04:15,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:04:14" (1/3) ... [2025-03-09 02:04:15,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36251e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:04:15, skipping insertion in model container [2025-03-09 02:04:15,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:04:14" (2/3) ... [2025-03-09 02:04:15,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36251e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:04:15, skipping insertion in model container [2025-03-09 02:04:15,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:04:15" (3/3) ... [2025-03-09 02:04:15,433 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound2.c [2025-03-09 02:04:15,444 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:04:15,445 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_valuebound2.c that has 3 procedures, 140 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2025-03-09 02:04:15,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:04:15,491 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;@33636bb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:04:15,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-03-09 02:04:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 75 states have (on average 1.84) internal successors, (138), 133 states have internal predecessors, (138), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:04:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:04:15,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:15,499 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:15,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:15,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 234381216, now seen corresponding path program 1 times [2025-03-09 02:04:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252176778] [2025-03-09 02:04:15,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:15,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:04:15,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:04:15,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:15,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:04:15,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:15,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252176778] [2025-03-09 02:04:15,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252176778] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:15,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442737227] [2025-03-09 02:04:15,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:15,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:15,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:15,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:04:15,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:04:15,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:04:15,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:15,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:15,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:04:15,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:04:15,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442737227] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:15,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:04:15,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778060925] [2025-03-09 02:04:15,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:15,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:04:15,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:15,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:04:15,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:04:15,684 INFO L87 Difference]: Start difference. First operand has 140 states, 75 states have (on average 1.84) internal successors, (138), 133 states have internal predecessors, (138), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:15,707 INFO L93 Difference]: Finished difference Result 276 states and 291 transitions. [2025-03-09 02:04:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:04:15,709 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-09 02:04:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:15,713 INFO L225 Difference]: With dead ends: 276 [2025-03-09 02:04:15,714 INFO L226 Difference]: Without dead ends: 133 [2025-03-09 02:04:15,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:04:15,721 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:15,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:04:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-09 02:04:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-09 02:04:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2025-03-09 02:04:15,754 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 14 [2025-03-09 02:04:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:15,755 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2025-03-09 02:04:15,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2025-03-09 02:04:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:04:15,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:15,756 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:15,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:04:15,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 02:04:15,958 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:15,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:15,958 INFO L85 PathProgramCache]: Analyzing trace with hash 37897502, now seen corresponding path program 1 times [2025-03-09 02:04:15,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:15,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617784841] [2025-03-09 02:04:15,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:15,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:15,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:04:15,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:04:15,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:15,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:16,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:16,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617784841] [2025-03-09 02:04:16,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617784841] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:16,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:16,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:04:16,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066596137] [2025-03-09 02:04:16,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:16,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:04:16,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:16,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:04:16,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:16,021 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:16,126 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2025-03-09 02:04:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:04:16,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-09 02:04:16,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:16,127 INFO L225 Difference]: With dead ends: 133 [2025-03-09 02:04:16,128 INFO L226 Difference]: Without dead ends: 129 [2025-03-09 02:04:16,128 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 [2025-03-09 02:04:16,128 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 88 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:16,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 83 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-03-09 02:04:16,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-03-09 02:04:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2025-03-09 02:04:16,140 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 14 [2025-03-09 02:04:16,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:16,141 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2025-03-09 02:04:16,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2025-03-09 02:04:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 02:04:16,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:16,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:16,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:04:16,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:16,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:16,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1174822655, now seen corresponding path program 1 times [2025-03-09 02:04:16,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:16,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342127574] [2025-03-09 02:04:16,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:16,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 02:04:16,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 02:04:16,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:16,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:16,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:16,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342127574] [2025-03-09 02:04:16,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342127574] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:16,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:16,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:04:16,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769448924] [2025-03-09 02:04:16,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:16,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:04:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:16,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:04:16,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:16,226 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:16,332 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2025-03-09 02:04:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:04:16,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-03-09 02:04:16,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:16,333 INFO L225 Difference]: With dead ends: 129 [2025-03-09 02:04:16,334 INFO L226 Difference]: Without dead ends: 125 [2025-03-09 02:04:16,334 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 [2025-03-09 02:04:16,335 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 87 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:16,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 83 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-03-09 02:04:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-03-09 02:04:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2025-03-09 02:04:16,345 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 15 [2025-03-09 02:04:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:16,345 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2025-03-09 02:04:16,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2025-03-09 02:04:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 02:04:16,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:16,346 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:16,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 02:04:16,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:16,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2059764028, now seen corresponding path program 1 times [2025-03-09 02:04:16,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:16,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228513245] [2025-03-09 02:04:16,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:16,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:16,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 02:04:16,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 02:04:16,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:16,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:16,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:16,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228513245] [2025-03-09 02:04:16,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228513245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:16,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:16,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:16,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981752212] [2025-03-09 02:04:16,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:16,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:16,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:16,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:16,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:16,405 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:16,590 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2025-03-09 02:04:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:16,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-03-09 02:04:16,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:16,592 INFO L225 Difference]: With dead ends: 125 [2025-03-09 02:04:16,592 INFO L226 Difference]: Without dead ends: 122 [2025-03-09 02:04:16,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:16,593 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 169 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:16,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 78 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-09 02:04:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-09 02:04:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-09 02:04:16,601 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 16 [2025-03-09 02:04:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:16,602 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-09 02:04:16,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-09 02:04:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-09 02:04:16,602 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:16,603 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:16,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:04:16,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:16,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash -571824483, now seen corresponding path program 1 times [2025-03-09 02:04:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833278807] [2025-03-09 02:04:16,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:16,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 02:04:16,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 02:04:16,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:16,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:16,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833278807] [2025-03-09 02:04:16,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833278807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:16,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:16,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:16,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70281200] [2025-03-09 02:04:16,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:16,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:16,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:16,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:16,638 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:16,779 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-03-09 02:04:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:16,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2025-03-09 02:04:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:16,782 INFO L225 Difference]: With dead ends: 122 [2025-03-09 02:04:16,782 INFO L226 Difference]: Without dead ends: 119 [2025-03-09 02:04:16,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:16,784 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 168 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:16,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 78 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-09 02:04:16,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-03-09 02:04:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2025-03-09 02:04:16,793 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 17 [2025-03-09 02:04:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:16,793 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2025-03-09 02:04:16,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2025-03-09 02:04:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 02:04:16,794 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:16,794 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:16,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:04:16,794 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:16,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash -546689703, now seen corresponding path program 1 times [2025-03-09 02:04:16,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:16,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766872240] [2025-03-09 02:04:16,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:16,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 02:04:16,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 02:04:16,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:16,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:16,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929271757] [2025-03-09 02:04:16,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:16,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:16,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:04:16,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 02:04:16,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 02:04:16,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:16,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:16,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:04:16,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:16,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:16,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766872240] [2025-03-09 02:04:16,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929271757] [2025-03-09 02:04:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929271757] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:16,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:04:16,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680164444] [2025-03-09 02:04:16,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:16,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:04:16,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:16,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:04:16,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:16,862 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-09 02:04:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:16,916 INFO L93 Difference]: Finished difference Result 183 states and 188 transitions. [2025-03-09 02:04:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:04:16,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2025-03-09 02:04:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:16,917 INFO L225 Difference]: With dead ends: 183 [2025-03-09 02:04:16,917 INFO L226 Difference]: Without dead ends: 177 [2025-03-09 02:04:16,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:16,919 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:16,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 215 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:04:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-03-09 02:04:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2025-03-09 02:04:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 136 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:04:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 161 transitions. [2025-03-09 02:04:16,935 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 161 transitions. Word has length 18 [2025-03-09 02:04:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:16,935 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 161 transitions. [2025-03-09 02:04:16,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-03-09 02:04:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 161 transitions. [2025-03-09 02:04:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 02:04:16,937 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:16,937 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:16,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:04:17,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-09 02:04:17,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:17,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1382791785, now seen corresponding path program 1 times [2025-03-09 02:04:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:17,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046901984] [2025-03-09 02:04:17,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:17,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:04:17,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:04:17,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:17,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:17,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494430424] [2025-03-09 02:04:17,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:17,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:17,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:17,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:04:17,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:04:17,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:04:17,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:17,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:17,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:04:17,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:17,201 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046901984] [2025-03-09 02:04:17,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:17,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494430424] [2025-03-09 02:04:17,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494430424] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:17,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:17,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:04:17,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110201506] [2025-03-09 02:04:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:17,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:04:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:17,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:04:17,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:17,203 INFO L87 Difference]: Start difference. First operand 143 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2025-03-09 02:04:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:17,263 INFO L93 Difference]: Finished difference Result 239 states and 261 transitions. [2025-03-09 02:04:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:04:17,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2025-03-09 02:04:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:17,265 INFO L225 Difference]: With dead ends: 239 [2025-03-09 02:04:17,265 INFO L226 Difference]: Without dead ends: 233 [2025-03-09 02:04:17,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:04:17,266 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:17,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 215 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-09 02:04:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 191. [2025-03-09 02:04:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 140 states have (on average 1.6571428571428573) internal successors, (232), 183 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 242 transitions. [2025-03-09 02:04:17,280 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 242 transitions. Word has length 20 [2025-03-09 02:04:17,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:17,280 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 242 transitions. [2025-03-09 02:04:17,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2025-03-09 02:04:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 242 transitions. [2025-03-09 02:04:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-09 02:04:17,280 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:17,280 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:17,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 02:04:17,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:17,481 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:17,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008363, now seen corresponding path program 1 times [2025-03-09 02:04:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:17,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101412532] [2025-03-09 02:04:17,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:17,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 02:04:17,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 02:04:17,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:17,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:17,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463496587] [2025-03-09 02:04:17,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:17,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:17,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:04:17,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 02:04:17,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 02:04:17,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:17,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:17,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:17,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:17,562 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:17,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:17,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101412532] [2025-03-09 02:04:17,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:17,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463496587] [2025-03-09 02:04:17,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463496587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:17,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:17,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:17,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550993131] [2025-03-09 02:04:17,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:17,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:17,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:17,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:17,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:17,564 INFO L87 Difference]: Start difference. First operand 191 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-09 02:04:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:17,717 INFO L93 Difference]: Finished difference Result 257 states and 311 transitions. [2025-03-09 02:04:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:17,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22 [2025-03-09 02:04:17,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:17,719 INFO L225 Difference]: With dead ends: 257 [2025-03-09 02:04:17,719 INFO L226 Difference]: Without dead ends: 255 [2025-03-09 02:04:17,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:17,721 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 121 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:17,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 228 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-09 02:04:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 192. [2025-03-09 02:04:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 141 states have (on average 1.6453900709219857) internal successors, (232), 184 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 242 transitions. [2025-03-09 02:04:17,733 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 242 transitions. Word has length 22 [2025-03-09 02:04:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:17,733 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 242 transitions. [2025-03-09 02:04:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2025-03-09 02:04:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 242 transitions. [2025-03-09 02:04:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-09 02:04:17,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:17,734 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] [2025-03-09 02:04:17,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 02:04:17,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:17,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:17,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1718651625, now seen corresponding path program 1 times [2025-03-09 02:04:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:17,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523778769] [2025-03-09 02:04:17,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:17,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 02:04:17,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 02:04:17,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:17,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:17,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119316540] [2025-03-09 02:04:17,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:17,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:17,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:17,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:04:17,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-09 02:04:18,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-09 02:04:18,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:18,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:18,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:18,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:18,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:18,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:18,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523778769] [2025-03-09 02:04:18,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:18,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119316540] [2025-03-09 02:04:18,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119316540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:18,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:18,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:18,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106077302] [2025-03-09 02:04:18,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:18,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:18,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:18,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:18,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:18,030 INFO L87 Difference]: Start difference. First operand 192 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-03-09 02:04:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:18,163 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2025-03-09 02:04:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2025-03-09 02:04:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:18,164 INFO L225 Difference]: With dead ends: 256 [2025-03-09 02:04:18,164 INFO L226 Difference]: Without dead ends: 254 [2025-03-09 02:04:18,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:18,165 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 119 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:18,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 231 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:18,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-03-09 02:04:18,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 193. [2025-03-09 02:04:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.6338028169014085) internal successors, (232), 185 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 242 transitions. [2025-03-09 02:04:18,174 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 242 transitions. Word has length 23 [2025-03-09 02:04:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:18,174 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 242 transitions. [2025-03-09 02:04:18,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-03-09 02:04:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 242 transitions. [2025-03-09 02:04:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-09 02:04:18,174 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:18,174 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] [2025-03-09 02:04:18,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:04:18,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:18,377 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:18,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:18,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1738592749, now seen corresponding path program 1 times [2025-03-09 02:04:18,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:18,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824810944] [2025-03-09 02:04:18,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:18,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:18,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-09 02:04:18,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-09 02:04:18,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:18,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:18,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470070784] [2025-03-09 02:04:18,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:18,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:18,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:18,388 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:18,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:04:18,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-09 02:04:18,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-09 02:04:18,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:18,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:18,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:18,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:18,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:18,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824810944] [2025-03-09 02:04:18,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470070784] [2025-03-09 02:04:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470070784] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:18,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:18,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:18,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409722855] [2025-03-09 02:04:18,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:18,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:18,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:18,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:18,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:18,439 INFO L87 Difference]: Start difference. First operand 193 states and 242 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-09 02:04:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:18,545 INFO L93 Difference]: Finished difference Result 252 states and 270 transitions. [2025-03-09 02:04:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:18,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2025-03-09 02:04:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:18,546 INFO L225 Difference]: With dead ends: 252 [2025-03-09 02:04:18,546 INFO L226 Difference]: Without dead ends: 250 [2025-03-09 02:04:18,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:18,547 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 166 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:18,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 251 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-09 02:04:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 193. [2025-03-09 02:04:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.6126760563380282) internal successors, (229), 185 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 239 transitions. [2025-03-09 02:04:18,553 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 239 transitions. Word has length 24 [2025-03-09 02:04:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:18,553 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 239 transitions. [2025-03-09 02:04:18,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-09 02:04:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 239 transitions. [2025-03-09 02:04:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 02:04:18,554 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:18,554 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] [2025-03-09 02:04:18,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:18,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:18,754 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:18,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:18,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1938199701, now seen corresponding path program 1 times [2025-03-09 02:04:18,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:18,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749633636] [2025-03-09 02:04:18,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:18,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:18,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:04:18,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:04:18,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:18,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:18,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934029674] [2025-03-09 02:04:18,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:18,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:18,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:18,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:04:18,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:04:18,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:04:18,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:18,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:18,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:18,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:18,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:18,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749633636] [2025-03-09 02:04:18,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934029674] [2025-03-09 02:04:18,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934029674] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:18,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:18,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:18,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356974658] [2025-03-09 02:04:18,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:18,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:18,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:18,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:18,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:18,830 INFO L87 Difference]: Start difference. First operand 193 states and 239 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2025-03-09 02:04:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:18,934 INFO L93 Difference]: Finished difference Result 250 states and 267 transitions. [2025-03-09 02:04:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:18,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2025-03-09 02:04:18,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:18,936 INFO L225 Difference]: With dead ends: 250 [2025-03-09 02:04:18,936 INFO L226 Difference]: Without dead ends: 248 [2025-03-09 02:04:18,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:18,936 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 163 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:18,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 257 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:18,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-03-09 02:04:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 193. [2025-03-09 02:04:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.591549295774648) internal successors, (226), 185 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2025-03-09 02:04:18,947 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 25 [2025-03-09 02:04:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:18,947 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2025-03-09 02:04:18,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2025-03-09 02:04:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2025-03-09 02:04:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 02:04:18,947 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:18,947 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] [2025-03-09 02:04:18,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:19,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:19,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:19,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash -45351343, now seen corresponding path program 1 times [2025-03-09 02:04:19,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:19,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387804327] [2025-03-09 02:04:19,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:19,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:19,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:04:19,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:04:19,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:19,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:19,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850812436] [2025-03-09 02:04:19,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:19,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:19,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:19,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:19,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:04:19,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 02:04:19,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 02:04:19,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:19,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:19,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:19,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:19,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:19,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:19,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387804327] [2025-03-09 02:04:19,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:19,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850812436] [2025-03-09 02:04:19,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850812436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:19,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:19,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:04:19,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341960289] [2025-03-09 02:04:19,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:19,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:04:19,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:19,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:04:19,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:19,220 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2025-03-09 02:04:19,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:19,387 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2025-03-09 02:04:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:04:19,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 26 [2025-03-09 02:04:19,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:19,388 INFO L225 Difference]: With dead ends: 251 [2025-03-09 02:04:19,388 INFO L226 Difference]: Without dead ends: 249 [2025-03-09 02:04:19,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:19,389 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 108 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:19,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 294 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:19,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-09 02:04:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 196. [2025-03-09 02:04:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5724137931034483) internal successors, (228), 188 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 238 transitions. [2025-03-09 02:04:19,399 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 238 transitions. Word has length 26 [2025-03-09 02:04:19,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:19,399 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 238 transitions. [2025-03-09 02:04:19,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2025-03-09 02:04:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 238 transitions. [2025-03-09 02:04:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 02:04:19,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:19,401 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] [2025-03-09 02:04:19,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 02:04:19,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-09 02:04:19,601 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:19,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1405891565, now seen corresponding path program 1 times [2025-03-09 02:04:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:19,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041713991] [2025-03-09 02:04:19,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:19,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:04:19,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:04:19,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:19,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448071538] [2025-03-09 02:04:19,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:19,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:19,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:19,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:04:19,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:04:19,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:04:19,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:19,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:19,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:19,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:19,671 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:19,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:19,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041713991] [2025-03-09 02:04:19,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:19,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448071538] [2025-03-09 02:04:19,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448071538] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:19,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:19,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:04:19,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429860342] [2025-03-09 02:04:19,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:19,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:04:19,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:19,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:04:19,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:19,672 INFO L87 Difference]: Start difference. First operand 196 states and 238 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2025-03-09 02:04:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:19,798 INFO L93 Difference]: Finished difference Result 251 states and 266 transitions. [2025-03-09 02:04:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:04:19,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 27 [2025-03-09 02:04:19,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:19,800 INFO L225 Difference]: With dead ends: 251 [2025-03-09 02:04:19,800 INFO L226 Difference]: Without dead ends: 249 [2025-03-09 02:04:19,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:19,800 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 225 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:19,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 257 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-09 02:04:19,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 196. [2025-03-09 02:04:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5517241379310345) internal successors, (225), 188 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 235 transitions. [2025-03-09 02:04:19,806 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 235 transitions. Word has length 27 [2025-03-09 02:04:19,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:19,806 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 235 transitions. [2025-03-09 02:04:19,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2025-03-09 02:04:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 235 transitions. [2025-03-09 02:04:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-09 02:04:19,807 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:19,807 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] [2025-03-09 02:04:19,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:20,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-09 02:04:20,008 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:20,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:20,008 INFO L85 PathProgramCache]: Analyzing trace with hash -632965489, now seen corresponding path program 1 times [2025-03-09 02:04:20,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:20,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699844262] [2025-03-09 02:04:20,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:20,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:20,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:04:20,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:04:20,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:20,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:20,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356972763] [2025-03-09 02:04:20,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:20,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:20,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:20,019 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:20,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:04:20,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:04:20,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:04:20,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:20,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:20,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:04:20,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:20,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:20,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:20,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699844262] [2025-03-09 02:04:20,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:20,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356972763] [2025-03-09 02:04:20,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356972763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:20,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:04:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787991026] [2025-03-09 02:04:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:20,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:04:20,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:20,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:04:20,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:04:20,125 INFO L87 Difference]: Start difference. First operand 196 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2025-03-09 02:04:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:20,363 INFO L93 Difference]: Finished difference Result 246 states and 293 transitions. [2025-03-09 02:04:20,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:20,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 28 [2025-03-09 02:04:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:20,364 INFO L225 Difference]: With dead ends: 246 [2025-03-09 02:04:20,364 INFO L226 Difference]: Without dead ends: 244 [2025-03-09 02:04:20,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:04:20,365 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 242 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:20,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 211 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:20,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-03-09 02:04:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 198. [2025-03-09 02:04:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 190 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 236 transitions. [2025-03-09 02:04:20,371 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 236 transitions. Word has length 28 [2025-03-09 02:04:20,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:20,371 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 236 transitions. [2025-03-09 02:04:20,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2025-03-09 02:04:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 236 transitions. [2025-03-09 02:04:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:04:20,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:20,372 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] [2025-03-09 02:04:20,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:20,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-09 02:04:20,572 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:20,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:20,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1852906385, now seen corresponding path program 1 times [2025-03-09 02:04:20,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:20,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193113346] [2025-03-09 02:04:20,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:20,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:04:20,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:04:20,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:20,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:20,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:20,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193113346] [2025-03-09 02:04:20,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193113346] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:20,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211174808] [2025-03-09 02:04:20,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:20,701 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:20,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:04:20,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:04:20,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:04:20,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:20,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:20,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:04:20,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:20,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211174808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:20,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:20,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-09 02:04:20,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090032288] [2025-03-09 02:04:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:20,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:04:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:20,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:04:20,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:04:20,822 INFO L87 Difference]: Start difference. First operand 198 states and 236 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-03-09 02:04:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:21,029 INFO L93 Difference]: Finished difference Result 246 states and 291 transitions. [2025-03-09 02:04:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:21,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 29 [2025-03-09 02:04:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:21,030 INFO L225 Difference]: With dead ends: 246 [2025-03-09 02:04:21,030 INFO L226 Difference]: Without dead ends: 244 [2025-03-09 02:04:21,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:04:21,031 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 241 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:21,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 191 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-03-09 02:04:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 199. [2025-03-09 02:04:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.527027027027027) internal successors, (226), 191 states have internal predecessors, (226), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 236 transitions. [2025-03-09 02:04:21,039 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 236 transitions. Word has length 29 [2025-03-09 02:04:21,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:21,039 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 236 transitions. [2025-03-09 02:04:21,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-03-09 02:04:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2025-03-09 02:04:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-09 02:04:21,041 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:21,041 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] [2025-03-09 02:04:21,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:21,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:04:21,241 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:21,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1014488843, now seen corresponding path program 1 times [2025-03-09 02:04:21,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:21,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976883720] [2025-03-09 02:04:21,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:21,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-09 02:04:21,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-09 02:04:21,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:21,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:21,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:21,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976883720] [2025-03-09 02:04:21,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976883720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:21,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:21,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:04:21,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690973216] [2025-03-09 02:04:21,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:21,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:04:21,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:21,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:04:21,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:04:21,312 INFO L87 Difference]: Start difference. First operand 199 states and 236 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:04:21,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:21,491 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2025-03-09 02:04:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:04:21,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-03-09 02:04:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:21,493 INFO L225 Difference]: With dead ends: 199 [2025-03-09 02:04:21,493 INFO L226 Difference]: Without dead ends: 197 [2025-03-09 02:04:21,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:21,494 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 117 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:21,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 200 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2025-03-09 02:04:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2025-03-09 02:04:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 148 states have (on average 1.4932432432432432) internal successors, (221), 189 states have internal predecessors, (221), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 231 transitions. [2025-03-09 02:04:21,518 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 231 transitions. Word has length 32 [2025-03-09 02:04:21,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:21,519 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 231 transitions. [2025-03-09 02:04:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:04:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 231 transitions. [2025-03-09 02:04:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-09 02:04:21,519 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:21,519 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] [2025-03-09 02:04:21,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 02:04:21,519 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:21,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:21,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1384383117, now seen corresponding path program 1 times [2025-03-09 02:04:21,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749031585] [2025-03-09 02:04:21,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:21,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:04:21,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:04:21,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:21,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:21,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564366917] [2025-03-09 02:04:21,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:21,534 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:04:21,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-09 02:04:21,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-09 02:04:21,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:21,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:21,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:04:21,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:21,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:21,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:21,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749031585] [2025-03-09 02:04:21,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564366917] [2025-03-09 02:04:21,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564366917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:21,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:21,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:04:21,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113596492] [2025-03-09 02:04:21,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:21,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:04:21,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:21,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:04:21,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:21,685 INFO L87 Difference]: Start difference. First operand 197 states and 231 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:21,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:21,940 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2025-03-09 02:04:21,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:04:21,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2025-03-09 02:04:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:21,941 INFO L225 Difference]: With dead ends: 238 [2025-03-09 02:04:21,941 INFO L226 Difference]: Without dead ends: 236 [2025-03-09 02:04:21,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:04:21,942 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 285 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:21,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 123 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:21,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-09 02:04:21,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 201. [2025-03-09 02:04:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 152 states have (on average 1.4736842105263157) internal successors, (224), 193 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 234 transitions. [2025-03-09 02:04:21,950 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 234 transitions. Word has length 33 [2025-03-09 02:04:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:21,950 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 234 transitions. [2025-03-09 02:04:21,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:04:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 234 transitions. [2025-03-09 02:04:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-09 02:04:21,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:21,951 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] [2025-03-09 02:04:21,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-09 02:04:22,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 02:04:22,155 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:22,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:22,156 INFO L85 PathProgramCache]: Analyzing trace with hash -33796279, now seen corresponding path program 1 times [2025-03-09 02:04:22,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:22,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325884957] [2025-03-09 02:04:22,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:22,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:22,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-09 02:04:22,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-09 02:04:22,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:22,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:22,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:22,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325884957] [2025-03-09 02:04:22,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325884957] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:22,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:22,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:22,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157711691] [2025-03-09 02:04:22,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:22,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:22,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:22,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:22,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:22,185 INFO L87 Difference]: Start difference. First operand 201 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-03-09 02:04:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:22,385 INFO L93 Difference]: Finished difference Result 220 states and 259 transitions. [2025-03-09 02:04:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:22,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 34 [2025-03-09 02:04:22,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:22,386 INFO L225 Difference]: With dead ends: 220 [2025-03-09 02:04:22,386 INFO L226 Difference]: Without dead ends: 218 [2025-03-09 02:04:22,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:22,387 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:22,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 146 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-09 02:04:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 202. [2025-03-09 02:04:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 194 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 234 transitions. [2025-03-09 02:04:22,392 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 234 transitions. Word has length 34 [2025-03-09 02:04:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:22,392 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 234 transitions. [2025-03-09 02:04:22,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-03-09 02:04:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 234 transitions. [2025-03-09 02:04:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-09 02:04:22,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:22,393 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] [2025-03-09 02:04:22,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 02:04:22,393 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:22,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:22,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1047684597, now seen corresponding path program 1 times [2025-03-09 02:04:22,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:22,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822645135] [2025-03-09 02:04:22,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:22,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:22,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 02:04:22,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 02:04:22,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:22,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822645135] [2025-03-09 02:04:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822645135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:22,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:22,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:22,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016279881] [2025-03-09 02:04:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:22,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:22,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:22,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:22,431 INFO L87 Difference]: Start difference. First operand 202 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-03-09 02:04:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:22,617 INFO L93 Difference]: Finished difference Result 220 states and 257 transitions. [2025-03-09 02:04:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:22,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 35 [2025-03-09 02:04:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:22,618 INFO L225 Difference]: With dead ends: 220 [2025-03-09 02:04:22,618 INFO L226 Difference]: Without dead ends: 218 [2025-03-09 02:04:22,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:22,619 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:22,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 159 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-09 02:04:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 203. [2025-03-09 02:04:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4545454545454546) internal successors, (224), 195 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 234 transitions. [2025-03-09 02:04:22,625 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 234 transitions. Word has length 35 [2025-03-09 02:04:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:22,625 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 234 transitions. [2025-03-09 02:04:22,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-03-09 02:04:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 234 transitions. [2025-03-09 02:04:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 02:04:22,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:22,625 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] [2025-03-09 02:04:22,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 02:04:22,626 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:22,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2053735469, now seen corresponding path program 1 times [2025-03-09 02:04:22,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:22,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839426184] [2025-03-09 02:04:22,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:22,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:22,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:04:22,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:04:22,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:22,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:22,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839426184] [2025-03-09 02:04:22,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839426184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:22,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:22,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:04:22,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868885590] [2025-03-09 02:04:22,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:22,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:04:22,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:22,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:04:22,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:22,673 INFO L87 Difference]: Start difference. First operand 203 states and 234 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-03-09 02:04:22,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:22,866 INFO L93 Difference]: Finished difference Result 220 states and 255 transitions. [2025-03-09 02:04:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:22,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) Word has length 45 [2025-03-09 02:04:22,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:22,867 INFO L225 Difference]: With dead ends: 220 [2025-03-09 02:04:22,867 INFO L226 Difference]: Without dead ends: 218 [2025-03-09 02:04:22,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:22,868 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 304 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:22,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 128 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-09 02:04:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 212. [2025-03-09 02:04:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 163 states have (on average 1.4355828220858895) internal successors, (234), 204 states have internal predecessors, (234), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2025-03-09 02:04:22,875 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 45 [2025-03-09 02:04:22,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:22,875 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2025-03-09 02:04:22,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2025-03-09 02:04:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2025-03-09 02:04:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-09 02:04:22,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:22,876 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] [2025-03-09 02:04:22,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-09 02:04:22,876 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:22,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 758709924, now seen corresponding path program 1 times [2025-03-09 02:04:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994133661] [2025-03-09 02:04:22,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:22,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-09 02:04:22,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-09 02:04:22,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:22,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:22,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:22,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994133661] [2025-03-09 02:04:22,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994133661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:22,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:22,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:22,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484028275] [2025-03-09 02:04:22,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:22,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:22,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:22,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:22,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:22,923 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:23,004 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2025-03-09 02:04:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:23,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2025-03-09 02:04:23,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:23,006 INFO L225 Difference]: With dead ends: 212 [2025-03-09 02:04:23,006 INFO L226 Difference]: Without dead ends: 211 [2025-03-09 02:04:23,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:23,006 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 65 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:23,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 149 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:23,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-03-09 02:04:23,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2025-03-09 02:04:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.4233128834355828) internal successors, (232), 203 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 242 transitions. [2025-03-09 02:04:23,012 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 242 transitions. Word has length 46 [2025-03-09 02:04:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:23,012 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 242 transitions. [2025-03-09 02:04:23,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 242 transitions. [2025-03-09 02:04:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:04:23,013 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:23,013 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] [2025-03-09 02:04:23,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-09 02:04:23,013 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:23,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1024202654, now seen corresponding path program 1 times [2025-03-09 02:04:23,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:23,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931596720] [2025-03-09 02:04:23,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:23,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:04:23,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:04:23,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:23,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:23,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:23,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931596720] [2025-03-09 02:04:23,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931596720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:23,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:23,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:23,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533880881] [2025-03-09 02:04:23,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:23,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:23,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:23,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:23,054 INFO L87 Difference]: Start difference. First operand 211 states and 242 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:23,116 INFO L93 Difference]: Finished difference Result 226 states and 259 transitions. [2025-03-09 02:04:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:23,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2025-03-09 02:04:23,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:23,117 INFO L225 Difference]: With dead ends: 226 [2025-03-09 02:04:23,118 INFO L226 Difference]: Without dead ends: 224 [2025-03-09 02:04:23,118 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 [2025-03-09 02:04:23,119 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:23,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 310 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-03-09 02:04:23,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2025-03-09 02:04:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 173 states have (on average 1.416184971098266) internal successors, (245), 213 states have internal predecessors, (245), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 255 transitions. [2025-03-09 02:04:23,126 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 255 transitions. Word has length 48 [2025-03-09 02:04:23,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:23,127 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 255 transitions. [2025-03-09 02:04:23,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 255 transitions. [2025-03-09 02:04:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:04:23,127 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:23,127 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] [2025-03-09 02:04:23,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 02:04:23,128 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:23,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash 336636291, now seen corresponding path program 1 times [2025-03-09 02:04:23,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:23,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020479332] [2025-03-09 02:04:23,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:23,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:23,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:04:23,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:04:23,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:23,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:23,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:23,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020479332] [2025-03-09 02:04:23,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020479332] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:23,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:23,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:04:23,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122606495] [2025-03-09 02:04:23,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:23,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:04:23,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:23,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:04:23,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:23,193 INFO L87 Difference]: Start difference. First operand 221 states and 255 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2025-03-09 02:04:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:23,361 INFO L93 Difference]: Finished difference Result 222 states and 255 transitions. [2025-03-09 02:04:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:04:23,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) Word has length 48 [2025-03-09 02:04:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:23,362 INFO L225 Difference]: With dead ends: 222 [2025-03-09 02:04:23,362 INFO L226 Difference]: Without dead ends: 221 [2025-03-09 02:04:23,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:23,363 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:23,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 169 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-03-09 02:04:23,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2025-03-09 02:04:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 173 states have (on average 1.4104046242774566) internal successors, (244), 213 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 254 transitions. [2025-03-09 02:04:23,373 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 254 transitions. Word has length 48 [2025-03-09 02:04:23,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:23,373 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 254 transitions. [2025-03-09 02:04:23,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2025-03-09 02:04:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 254 transitions. [2025-03-09 02:04:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 02:04:23,373 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:23,374 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] [2025-03-09 02:04:23,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-09 02:04:23,374 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:23,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1845790462, now seen corresponding path program 1 times [2025-03-09 02:04:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:23,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802540202] [2025-03-09 02:04:23,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:23,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:04:23,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:04:23,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:23,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:23,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:23,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802540202] [2025-03-09 02:04:23,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802540202] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:23,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:23,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:04:23,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487137389] [2025-03-09 02:04:23,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:23,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:04:23,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:23,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:04:23,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:04:23,425 INFO L87 Difference]: Start difference. First operand 221 states and 254 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:23,478 INFO L93 Difference]: Finished difference Result 258 states and 269 transitions. [2025-03-09 02:04:23,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:04:23,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2025-03-09 02:04:23,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:23,479 INFO L225 Difference]: With dead ends: 258 [2025-03-09 02:04:23,480 INFO L226 Difference]: Without dead ends: 256 [2025-03-09 02:04:23,480 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 [2025-03-09 02:04:23,481 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 56 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:23,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 337 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:04:23,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-03-09 02:04:23,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2025-03-09 02:04:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.3922651933701657) internal successors, (252), 221 states have internal predecessors, (252), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 262 transitions. [2025-03-09 02:04:23,491 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 262 transitions. Word has length 49 [2025-03-09 02:04:23,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:23,491 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 262 transitions. [2025-03-09 02:04:23,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 262 transitions. [2025-03-09 02:04:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-09 02:04:23,492 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:23,492 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] [2025-03-09 02:04:23,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 02:04:23,492 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:23,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash -711239066, now seen corresponding path program 1 times [2025-03-09 02:04:23,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:23,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200288676] [2025-03-09 02:04:23,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:23,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:23,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 02:04:23,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 02:04:23,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:23,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:23,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272250198] [2025-03-09 02:04:23,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:23,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:23,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:23,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:04:23,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 02:04:23,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 02:04:23,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:23,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:23,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:04:23,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:23,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:23,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200288676] [2025-03-09 02:04:23,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272250198] [2025-03-09 02:04:23,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272250198] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:23,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:23,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 02:04:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631654110] [2025-03-09 02:04:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:23,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:04:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:23,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:04:23,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:04:23,731 INFO L87 Difference]: Start difference. First operand 229 states and 262 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:23,941 INFO L93 Difference]: Finished difference Result 229 states and 262 transitions. [2025-03-09 02:04:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2025-03-09 02:04:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:23,943 INFO L225 Difference]: With dead ends: 229 [2025-03-09 02:04:23,943 INFO L226 Difference]: Without dead ends: 226 [2025-03-09 02:04:23,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:04:23,944 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 105 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:23,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 339 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-09 02:04:23,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2025-03-09 02:04:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 181 states have (on average 1.3591160220994476) internal successors, (246), 218 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 02:04:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2025-03-09 02:04:23,952 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 50 [2025-03-09 02:04:23,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:23,952 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2025-03-09 02:04:23,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2025-03-09 02:04:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-09 02:04:23,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:23,953 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-09 02:04:23,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:24,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-09 02:04:24,157 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:24,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash -573574482, now seen corresponding path program 1 times [2025-03-09 02:04:24,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:24,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862963726] [2025-03-09 02:04:24,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:24,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:24,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:04:24,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:04:24,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:24,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:24,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113507832] [2025-03-09 02:04:24,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:24,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:24,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:24,171 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:24,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:04:24,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-09 02:04:24,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-09 02:04:24,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:24,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:24,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:04:24,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:24,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:24,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:24,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862963726] [2025-03-09 02:04:24,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:24,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113507832] [2025-03-09 02:04:24,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113507832] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:24,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:24,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:04:24,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639513991] [2025-03-09 02:04:24,726 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:24,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:04:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:24,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:04:24,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:04:24,728 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:25,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:25,041 INFO L93 Difference]: Finished difference Result 278 states and 316 transitions. [2025-03-09 02:04:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:04:25,041 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2025-03-09 02:04:25,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:25,042 INFO L225 Difference]: With dead ends: 278 [2025-03-09 02:04:25,042 INFO L226 Difference]: Without dead ends: 252 [2025-03-09 02:04:25,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:04:25,043 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 357 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:25,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 376 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-09 02:04:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 232. [2025-03-09 02:04:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.39247311827957) internal successors, (259), 223 states have internal predecessors, (259), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 02:04:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 271 transitions. [2025-03-09 02:04:25,050 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 271 transitions. Word has length 51 [2025-03-09 02:04:25,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:25,050 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 271 transitions. [2025-03-09 02:04:25,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 271 transitions. [2025-03-09 02:04:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-09 02:04:25,050 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:25,050 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] [2025-03-09 02:04:25,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:25,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:25,251 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:25,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1977408414, now seen corresponding path program 1 times [2025-03-09 02:04:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945504181] [2025-03-09 02:04:25,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:25,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-09 02:04:25,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-09 02:04:25,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:25,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:25,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888832375] [2025-03-09 02:04:25,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:25,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:25,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:25,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:25,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:04:25,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-09 02:04:25,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-09 02:04:25,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:25,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:25,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:04:25,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:25,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:25,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:25,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945504181] [2025-03-09 02:04:25,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:25,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888832375] [2025-03-09 02:04:25,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888832375] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:25,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:25,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-09 02:04:25,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441030904] [2025-03-09 02:04:25,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:25,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:04:25,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:25,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:04:25,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:04:25,600 INFO L87 Difference]: Start difference. First operand 232 states and 271 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:04:26,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:26,084 INFO L93 Difference]: Finished difference Result 351 states and 420 transitions. [2025-03-09 02:04:26,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 02:04:26,085 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2025-03-09 02:04:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:26,086 INFO L225 Difference]: With dead ends: 351 [2025-03-09 02:04:26,086 INFO L226 Difference]: Without dead ends: 345 [2025-03-09 02:04:26,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:04:26,087 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 637 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:26,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 260 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:26,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-09 02:04:26,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 258. [2025-03-09 02:04:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 213 states have (on average 1.380281690140845) internal successors, (294), 248 states have internal predecessors, (294), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-09 02:04:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 308 transitions. [2025-03-09 02:04:26,095 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 308 transitions. Word has length 54 [2025-03-09 02:04:26,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:26,095 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 308 transitions. [2025-03-09 02:04:26,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 15 states have internal predecessors, (86), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-09 02:04:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 308 transitions. [2025-03-09 02:04:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-09 02:04:26,096 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:26,096 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-09 02:04:26,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:04:26,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-09 02:04:26,297 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:26,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:26,297 INFO L85 PathProgramCache]: Analyzing trace with hash 49437665, now seen corresponding path program 1 times [2025-03-09 02:04:26,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:26,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787511683] [2025-03-09 02:04:26,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:26,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:26,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-09 02:04:26,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-09 02:04:26,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:26,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:26,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398583410] [2025-03-09 02:04:26,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:26,313 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:26,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:04:26,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-09 02:04:26,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-09 02:04:26,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:26,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:26,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:04:26,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:26,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787511683] [2025-03-09 02:04:26,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398583410] [2025-03-09 02:04:26,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398583410] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:26,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:26,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:04:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107457606] [2025-03-09 02:04:26,598 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:26,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:04:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:26,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:04:26,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:04:26,599 INFO L87 Difference]: Start difference. First operand 258 states and 308 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:26,815 INFO L93 Difference]: Finished difference Result 268 states and 311 transitions. [2025-03-09 02:04:26,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2025-03-09 02:04:26,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:26,817 INFO L225 Difference]: With dead ends: 268 [2025-03-09 02:04:26,817 INFO L226 Difference]: Without dead ends: 264 [2025-03-09 02:04:26,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:26,818 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 148 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:26,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 349 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-03-09 02:04:26,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 254. [2025-03-09 02:04:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 213 states have (on average 1.352112676056338) internal successors, (288), 244 states have internal predecessors, (288), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-09 02:04:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 302 transitions. [2025-03-09 02:04:26,828 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 302 transitions. Word has length 56 [2025-03-09 02:04:26,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:26,828 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 302 transitions. [2025-03-09 02:04:26,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 302 transitions. [2025-03-09 02:04:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-09 02:04:26,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:26,828 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] [2025-03-09 02:04:26,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:27,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:04:27,029 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:27,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:27,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1532567695, now seen corresponding path program 1 times [2025-03-09 02:04:27,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:27,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23689796] [2025-03-09 02:04:27,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:27,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:27,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-09 02:04:27,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-09 02:04:27,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:27,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:27,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167047663] [2025-03-09 02:04:27,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:27,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:27,042 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:27,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:04:27,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-09 02:04:27,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-09 02:04:27,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:27,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:27,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 02:04:27,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:27,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:27,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23689796] [2025-03-09 02:04:27,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167047663] [2025-03-09 02:04:27,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167047663] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:27,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:27,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:04:27,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576087220] [2025-03-09 02:04:27,533 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:27,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:04:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:27,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:04:27,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:04:27,534 INFO L87 Difference]: Start difference. First operand 254 states and 302 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:27,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:27,743 INFO L93 Difference]: Finished difference Result 336 states and 394 transitions. [2025-03-09 02:04:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:04:27,743 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2025-03-09 02:04:27,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:27,744 INFO L225 Difference]: With dead ends: 336 [2025-03-09 02:04:27,744 INFO L226 Difference]: Without dead ends: 334 [2025-03-09 02:04:27,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:04:27,745 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 272 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:27,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 362 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-09 02:04:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 292. [2025-03-09 02:04:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 250 states have (on average 1.384) internal successors, (346), 281 states have internal predecessors, (346), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:04:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 362 transitions. [2025-03-09 02:04:27,759 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 362 transitions. Word has length 57 [2025-03-09 02:04:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:27,759 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 362 transitions. [2025-03-09 02:04:27,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 02:04:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2025-03-09 02:04:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-09 02:04:27,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:27,760 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2025-03-09 02:04:27,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:27,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-09 02:04:27,961 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:27,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1048981922, now seen corresponding path program 1 times [2025-03-09 02:04:27,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:27,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305729142] [2025-03-09 02:04:27,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:27,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:27,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-09 02:04:27,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-09 02:04:27,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:27,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:27,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128410909] [2025-03-09 02:04:27,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:27,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:27,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:27,974 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:27,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:04:27,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-09 02:04:28,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-09 02:04:28,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:28,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:28,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:28,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:28,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:28,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:28,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305729142] [2025-03-09 02:04:28,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:28,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128410909] [2025-03-09 02:04:28,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128410909] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:28,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:28,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-09 02:04:28,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989233881] [2025-03-09 02:04:28,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:28,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:04:28,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:28,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:04:28,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:04:28,103 INFO L87 Difference]: Start difference. First operand 292 states and 362 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:28,283 INFO L93 Difference]: Finished difference Result 333 states and 389 transitions. [2025-03-09 02:04:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:28,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2025-03-09 02:04:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:28,284 INFO L225 Difference]: With dead ends: 333 [2025-03-09 02:04:28,284 INFO L226 Difference]: Without dead ends: 331 [2025-03-09 02:04:28,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:04:28,285 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 163 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:28,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 298 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:28,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-03-09 02:04:28,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 292. [2025-03-09 02:04:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 250 states have (on average 1.372) internal successors, (343), 281 states have internal predecessors, (343), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:04:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 359 transitions. [2025-03-09 02:04:28,295 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 359 transitions. Word has length 58 [2025-03-09 02:04:28,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:28,295 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 359 transitions. [2025-03-09 02:04:28,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 359 transitions. [2025-03-09 02:04:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 02:04:28,296 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:28,296 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:28,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:28,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:28,496 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:28,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1245689692, now seen corresponding path program 1 times [2025-03-09 02:04:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:28,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65962187] [2025-03-09 02:04:28,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:28,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:04:28,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:04:28,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:28,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:28,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174862974] [2025-03-09 02:04:28,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:28,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:28,508 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:28,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:04:28,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:04:28,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:04:28,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:28,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:28,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-09 02:04:28,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:28,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:28,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:28,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65962187] [2025-03-09 02:04:28,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:28,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174862974] [2025-03-09 02:04:28,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174862974] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:28,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:28,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-03-09 02:04:28,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784410166] [2025-03-09 02:04:28,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:28,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:04:28,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:28,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:04:28,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:04:28,845 INFO L87 Difference]: Start difference. First operand 292 states and 359 transitions. Second operand has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:29,896 INFO L93 Difference]: Finished difference Result 338 states and 412 transitions. [2025-03-09 02:04:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:04:29,897 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2025-03-09 02:04:29,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:29,898 INFO L225 Difference]: With dead ends: 338 [2025-03-09 02:04:29,898 INFO L226 Difference]: Without dead ends: 336 [2025-03-09 02:04:29,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:04:29,899 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 416 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:29,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 298 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:04:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-09 02:04:29,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 297. [2025-03-09 02:04:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 255 states have (on average 1.3607843137254902) internal successors, (347), 286 states have internal predecessors, (347), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:04:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 363 transitions. [2025-03-09 02:04:29,916 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 363 transitions. Word has length 60 [2025-03-09 02:04:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:29,917 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 363 transitions. [2025-03-09 02:04:29,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.5) internal successors, (90), 13 states have internal predecessors, (90), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 363 transitions. [2025-03-09 02:04:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 02:04:29,917 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:29,917 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2025-03-09 02:04:29,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-09 02:04:30,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:30,118 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:30,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1221922653, now seen corresponding path program 1 times [2025-03-09 02:04:30,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:30,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929479312] [2025-03-09 02:04:30,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:30,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:30,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:04:30,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:04:30,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:30,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:30,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057085911] [2025-03-09 02:04:30,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:30,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:30,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:30,140 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:30,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:04:30,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:04:30,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:04:30,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:30,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:30,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:04:30,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:30,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:30,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:30,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929479312] [2025-03-09 02:04:30,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:30,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057085911] [2025-03-09 02:04:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057085911] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:30,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-09 02:04:30,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650781474] [2025-03-09 02:04:30,424 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:30,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:04:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:30,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:04:30,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:30,425 INFO L87 Difference]: Start difference. First operand 297 states and 363 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:30,777 INFO L93 Difference]: Finished difference Result 315 states and 381 transitions. [2025-03-09 02:04:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:04:30,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2025-03-09 02:04:30,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:30,778 INFO L225 Difference]: With dead ends: 315 [2025-03-09 02:04:30,779 INFO L226 Difference]: Without dead ends: 313 [2025-03-09 02:04:30,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:04:30,782 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:30,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 292 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:30,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-03-09 02:04:30,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2025-03-09 02:04:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 255 states have (on average 1.3411764705882352) internal successors, (342), 284 states have internal predecessors, (342), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:04:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2025-03-09 02:04:30,795 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 60 [2025-03-09 02:04:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:30,796 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2025-03-09 02:04:30,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2025-03-09 02:04:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-09 02:04:30,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:30,797 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:30,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-09 02:04:30,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-09 02:04:30,998 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:30,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash -38325148, now seen corresponding path program 1 times [2025-03-09 02:04:30,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:30,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491448792] [2025-03-09 02:04:30,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:31,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:04:31,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:04:31,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:31,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:31,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:31,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491448792] [2025-03-09 02:04:31,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491448792] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:31,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906336946] [2025-03-09 02:04:31,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:31,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:31,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:31,071 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:31,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:04:31,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:04:31,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:04:31,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:31,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:31,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:31,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:31,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:31,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906336946] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:31,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:31,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-09 02:04:31,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182156585] [2025-03-09 02:04:31,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:31,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:04:31,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:31,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:04:31,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:04:31,215 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-09 02:04:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:31,432 INFO L93 Difference]: Finished difference Result 295 states and 358 transitions. [2025-03-09 02:04:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:04:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2025-03-09 02:04:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:31,433 INFO L225 Difference]: With dead ends: 295 [2025-03-09 02:04:31,433 INFO L226 Difference]: Without dead ends: 293 [2025-03-09 02:04:31,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:04:31,434 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 171 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:31,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 285 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-03-09 02:04:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-03-09 02:04:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 255 states have (on average 1.3137254901960784) internal successors, (335), 282 states have internal predecessors, (335), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:04:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 351 transitions. [2025-03-09 02:04:31,447 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 351 transitions. Word has length 61 [2025-03-09 02:04:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:31,447 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 351 transitions. [2025-03-09 02:04:31,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-09 02:04:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 351 transitions. [2025-03-09 02:04:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-09 02:04:31,448 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:31,448 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2025-03-09 02:04:31,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:31,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-09 02:04:31,649 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:31,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -775103349, now seen corresponding path program 1 times [2025-03-09 02:04:31,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:31,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450095541] [2025-03-09 02:04:31,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:31,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:31,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:04:31,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:04:31,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:31,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:31,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125136358] [2025-03-09 02:04:31,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:31,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:31,663 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:31,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:04:31,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:04:31,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:04:31,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:31,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:31,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-09 02:04:31,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:31,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:32,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:32,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450095541] [2025-03-09 02:04:32,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:32,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125136358] [2025-03-09 02:04:32,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125136358] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:32,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:32,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-09 02:04:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515142139] [2025-03-09 02:04:32,099 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:32,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:04:32,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:32,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:04:32,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:04:32,100 INFO L87 Difference]: Start difference. First operand 293 states and 351 transitions. Second operand has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:32,712 INFO L93 Difference]: Finished difference Result 425 states and 477 transitions. [2025-03-09 02:04:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 02:04:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 61 [2025-03-09 02:04:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:32,713 INFO L225 Difference]: With dead ends: 425 [2025-03-09 02:04:32,713 INFO L226 Difference]: Without dead ends: 423 [2025-03-09 02:04:32,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:04:32,714 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 905 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:32,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 508 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:04:32,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-03-09 02:04:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 329. [2025-03-09 02:04:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 290 states have (on average 1.3206896551724139) internal successors, (383), 317 states have internal predecessors, (383), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:04:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 401 transitions. [2025-03-09 02:04:32,725 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 401 transitions. Word has length 61 [2025-03-09 02:04:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:32,725 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 401 transitions. [2025-03-09 02:04:32,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.214285714285714) internal successors, (101), 15 states have internal predecessors, (101), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 401 transitions. [2025-03-09 02:04:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 02:04:32,726 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:32,726 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2025-03-09 02:04:32,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:32,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:32,931 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:32,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:32,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1741600027, now seen corresponding path program 1 times [2025-03-09 02:04:32,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266750150] [2025-03-09 02:04:32,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:32,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:04:32,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:04:32,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:32,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:32,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998704740] [2025-03-09 02:04:32,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:32,942 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:32,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:04:32,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:04:32,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:04:32,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:32,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:32,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:04:32,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:33,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:33,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266750150] [2025-03-09 02:04:33,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:33,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998704740] [2025-03-09 02:04:33,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998704740] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:33,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:33,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2025-03-09 02:04:33,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162369662] [2025-03-09 02:04:33,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:33,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-09 02:04:33,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:33,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-09 02:04:33,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2025-03-09 02:04:33,613 INFO L87 Difference]: Start difference. First operand 329 states and 401 transitions. Second operand has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:35,416 INFO L93 Difference]: Finished difference Result 515 states and 641 transitions. [2025-03-09 02:04:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-09 02:04:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2025-03-09 02:04:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:35,418 INFO L225 Difference]: With dead ends: 515 [2025-03-09 02:04:35,418 INFO L226 Difference]: Without dead ends: 511 [2025-03-09 02:04:35,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2025-03-09 02:04:35,419 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 575 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 2141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:35,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 353 Invalid, 2141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-09 02:04:35,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2025-03-09 02:04:35,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 369. [2025-03-09 02:04:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 330 states have (on average 1.309090909090909) internal successors, (432), 357 states have internal predecessors, (432), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:04:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 450 transitions. [2025-03-09 02:04:35,432 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 450 transitions. Word has length 62 [2025-03-09 02:04:35,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:35,432 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 450 transitions. [2025-03-09 02:04:35,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 450 transitions. [2025-03-09 02:04:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-09 02:04:35,432 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:35,432 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2025-03-09 02:04:35,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-09 02:04:35,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:35,633 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:35,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1844973943, now seen corresponding path program 1 times [2025-03-09 02:04:35,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:35,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993660686] [2025-03-09 02:04:35,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:35,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-09 02:04:35,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-09 02:04:35,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:35,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:35,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790034219] [2025-03-09 02:04:35,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:35,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:35,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:35,643 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:35,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:04:35,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-09 02:04:35,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-09 02:04:35,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:35,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:35,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-09 02:04:35,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:35,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:36,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:36,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993660686] [2025-03-09 02:04:36,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:36,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790034219] [2025-03-09 02:04:36,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790034219] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:36,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:36,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:04:36,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895004568] [2025-03-09 02:04:36,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:36,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:04:36,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:36,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:04:36,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:04:36,301 INFO L87 Difference]: Start difference. First operand 369 states and 450 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:36,740 INFO L93 Difference]: Finished difference Result 395 states and 469 transitions. [2025-03-09 02:04:36,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:04:36,741 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 63 [2025-03-09 02:04:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:36,742 INFO L225 Difference]: With dead ends: 395 [2025-03-09 02:04:36,742 INFO L226 Difference]: Without dead ends: 391 [2025-03-09 02:04:36,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:04:36,742 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 275 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:36,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 332 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-03-09 02:04:36,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 376. [2025-03-09 02:04:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 337 states have (on average 1.2997032640949555) internal successors, (438), 364 states have internal predecessors, (438), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-09 02:04:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 456 transitions. [2025-03-09 02:04:36,754 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 456 transitions. Word has length 63 [2025-03-09 02:04:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:36,754 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 456 transitions. [2025-03-09 02:04:36,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 456 transitions. [2025-03-09 02:04:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-09 02:04:36,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:36,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:36,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:04:36,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-09 02:04:36,956 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:36,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash 748386784, now seen corresponding path program 1 times [2025-03-09 02:04:36,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:36,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093670091] [2025-03-09 02:04:36,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:36,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-09 02:04:36,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-09 02:04:36,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:36,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:37,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:37,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093670091] [2025-03-09 02:04:37,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093670091] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:37,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377589550] [2025-03-09 02:04:37,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:37,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:37,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:37,006 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:04:37,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-09 02:04:37,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-09 02:04:37,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:37,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:37,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:37,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:37,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:37,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377589550] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:37,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:37,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-09 02:04:37,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094135884] [2025-03-09 02:04:37,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:37,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:04:37,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:37,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:04:37,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:04:37,196 INFO L87 Difference]: Start difference. First operand 376 states and 456 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:37,531 INFO L93 Difference]: Finished difference Result 532 states and 667 transitions. [2025-03-09 02:04:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:04:37,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 65 [2025-03-09 02:04:37,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:37,532 INFO L225 Difference]: With dead ends: 532 [2025-03-09 02:04:37,532 INFO L226 Difference]: Without dead ends: 530 [2025-03-09 02:04:37,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:04:37,533 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 201 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:37,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 330 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:37,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-03-09 02:04:37,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 500. [2025-03-09 02:04:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 458 states have (on average 1.334061135371179) internal successors, (611), 485 states have internal predecessors, (611), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-09 02:04:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 635 transitions. [2025-03-09 02:04:37,554 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 635 transitions. Word has length 65 [2025-03-09 02:04:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:37,555 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 635 transitions. [2025-03-09 02:04:37,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 635 transitions. [2025-03-09 02:04:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-09 02:04:37,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:37,555 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:37,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:37,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:04:37,756 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:37,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1725153878, now seen corresponding path program 1 times [2025-03-09 02:04:37,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220816560] [2025-03-09 02:04:37,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:37,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-09 02:04:37,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-09 02:04:37,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:37,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:37,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220816560] [2025-03-09 02:04:37,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220816560] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:37,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:04:37,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:04:37,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308502677] [2025-03-09 02:04:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:37,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:04:37,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:37,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:04:37,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:04:37,805 INFO L87 Difference]: Start difference. First operand 500 states and 635 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:04:38,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:38,033 INFO L93 Difference]: Finished difference Result 734 states and 953 transitions. [2025-03-09 02:04:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:04:38,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 66 [2025-03-09 02:04:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:38,035 INFO L225 Difference]: With dead ends: 734 [2025-03-09 02:04:38,036 INFO L226 Difference]: Without dead ends: 732 [2025-03-09 02:04:38,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:04:38,038 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 82 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:38,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 279 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-03-09 02:04:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 667. [2025-03-09 02:04:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 620 states have (on average 1.3516129032258064) internal successors, (838), 647 states have internal predecessors, (838), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:04:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 872 transitions. [2025-03-09 02:04:38,060 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 872 transitions. Word has length 66 [2025-03-09 02:04:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:38,060 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 872 transitions. [2025-03-09 02:04:38,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:04:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 872 transitions. [2025-03-09 02:04:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-09 02:04:38,061 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:38,061 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:38,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-09 02:04:38,061 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:38,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1940162718, now seen corresponding path program 1 times [2025-03-09 02:04:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:38,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450112126] [2025-03-09 02:04:38,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:38,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-09 02:04:38,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 02:04:38,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:38,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:38,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:38,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450112126] [2025-03-09 02:04:38,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450112126] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:38,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695026934] [2025-03-09 02:04:38,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:38,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:38,151 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:38,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:04:38,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-09 02:04:38,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 02:04:38,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:38,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:38,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:04:38,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 02:04:38,411 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:04:38,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695026934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:04:38,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:38,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2025-03-09 02:04:38,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441496184] [2025-03-09 02:04:38,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:38,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:04:38,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:38,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:04:38,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:38,413 INFO L87 Difference]: Start difference. First operand 667 states and 872 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:38,684 INFO L93 Difference]: Finished difference Result 684 states and 887 transitions. [2025-03-09 02:04:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:04:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2025-03-09 02:04:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:38,687 INFO L225 Difference]: With dead ends: 684 [2025-03-09 02:04:38,687 INFO L226 Difference]: Without dead ends: 682 [2025-03-09 02:04:38,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:38,687 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 126 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:38,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 316 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:04:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2025-03-09 02:04:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 675. [2025-03-09 02:04:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 628 states have (on average 1.3455414012738853) internal successors, (845), 655 states have internal predecessors, (845), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:04:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 879 transitions. [2025-03-09 02:04:38,710 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 879 transitions. Word has length 67 [2025-03-09 02:04:38,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:38,710 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 879 transitions. [2025-03-09 02:04:38,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:04:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 879 transitions. [2025-03-09 02:04:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 02:04:38,711 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:38,711 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:38,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:38,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:04:38,911 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:38,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:38,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1802017811, now seen corresponding path program 1 times [2025-03-09 02:04:38,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:38,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102043672] [2025-03-09 02:04:38,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:38,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:38,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:04:38,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:04:38,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:38,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:38,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353296861] [2025-03-09 02:04:38,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:38,929 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:38,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:04:38,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:04:38,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:04:38,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:38,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:38,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:04:38,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:04:39,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-09 02:04:39,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:39,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102043672] [2025-03-09 02:04:39,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:39,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353296861] [2025-03-09 02:04:39,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353296861] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:39,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:39,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-09 02:04:39,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416139676] [2025-03-09 02:04:39,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:39,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:04:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:39,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:04:39,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:04:39,364 INFO L87 Difference]: Start difference. First operand 675 states and 879 transitions. Second operand has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:40,820 INFO L93 Difference]: Finished difference Result 692 states and 895 transitions. [2025-03-09 02:04:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-09 02:04:40,821 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 70 [2025-03-09 02:04:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:40,823 INFO L225 Difference]: With dead ends: 692 [2025-03-09 02:04:40,823 INFO L226 Difference]: Without dead ends: 689 [2025-03-09 02:04:40,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-03-09 02:04:40,824 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 317 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:40,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 162 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-09 02:04:40,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2025-03-09 02:04:40,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2025-03-09 02:04:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 639 states have (on average 1.3333333333333333) internal successors, (852), 665 states have internal predecessors, (852), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:04:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 886 transitions. [2025-03-09 02:04:40,863 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 886 transitions. Word has length 70 [2025-03-09 02:04:40,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:40,863 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 886 transitions. [2025-03-09 02:04:40,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.785714285714286) internal successors, (109), 15 states have internal predecessors, (109), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 886 transitions. [2025-03-09 02:04:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-09 02:04:40,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:40,864 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:40,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-09 02:04:41,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:04:41,064 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:41,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash 833523366, now seen corresponding path program 1 times [2025-03-09 02:04:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121913040] [2025-03-09 02:04:41,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:41,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-09 02:04:41,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-09 02:04:41,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:41,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:41,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121913040] [2025-03-09 02:04:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121913040] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449528508] [2025-03-09 02:04:41,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:41,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:41,124 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:41,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:04:41,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-09 02:04:41,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-09 02:04:41,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:41,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:41,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:41,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:41,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:41,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449528508] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:41,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:04:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988319232] [2025-03-09 02:04:41,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:41,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:04:41,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:41,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:04:41,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:04:41,465 INFO L87 Difference]: Start difference. First operand 685 states and 886 transitions. Second operand has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:04:41,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:41,814 INFO L93 Difference]: Finished difference Result 1084 states and 1400 transitions. [2025-03-09 02:04:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:04:41,814 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 77 [2025-03-09 02:04:41,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:41,817 INFO L225 Difference]: With dead ends: 1084 [2025-03-09 02:04:41,817 INFO L226 Difference]: Without dead ends: 1082 [2025-03-09 02:04:41,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:04:41,818 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 449 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:41,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 368 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:41,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2025-03-09 02:04:41,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 919. [2025-03-09 02:04:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 866 states have (on average 1.3244803695150116) internal successors, (1147), 891 states have internal predecessors, (1147), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:04:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1197 transitions. [2025-03-09 02:04:41,871 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1197 transitions. Word has length 77 [2025-03-09 02:04:41,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:41,871 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1197 transitions. [2025-03-09 02:04:41,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.5) internal successors, (174), 13 states have internal predecessors, (174), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:04:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1197 transitions. [2025-03-09 02:04:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-09 02:04:41,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:41,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:41,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:42,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:42,073 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:42,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:42,073 INFO L85 PathProgramCache]: Analyzing trace with hash -645447216, now seen corresponding path program 1 times [2025-03-09 02:04:42,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:42,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370714228] [2025-03-09 02:04:42,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:42,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:42,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 02:04:42,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 02:04:42,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:42,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:42,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:42,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370714228] [2025-03-09 02:04:42,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370714228] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:42,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655282892] [2025-03-09 02:04:42,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:42,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:42,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:42,118 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:42,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:04:42,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 02:04:42,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 02:04:42,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:42,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:42,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:04:42,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:42,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:42,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655282892] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:42,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:42,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-09 02:04:42,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652681038] [2025-03-09 02:04:42,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:42,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:04:42,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:42,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:04:42,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:04:42,354 INFO L87 Difference]: Start difference. First operand 919 states and 1197 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:42,819 INFO L93 Difference]: Finished difference Result 1440 states and 1856 transitions. [2025-03-09 02:04:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:04:42,820 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 80 [2025-03-09 02:04:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:42,823 INFO L225 Difference]: With dead ends: 1440 [2025-03-09 02:04:42,823 INFO L226 Difference]: Without dead ends: 1439 [2025-03-09 02:04:42,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:04:42,824 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 358 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:42,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 524 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:04:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2025-03-09 02:04:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1201. [2025-03-09 02:04:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1139 states have (on average 1.324846356453029) internal successors, (1509), 1164 states have internal predecessors, (1509), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-09 02:04:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1577 transitions. [2025-03-09 02:04:42,873 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1577 transitions. Word has length 80 [2025-03-09 02:04:42,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:42,874 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1577 transitions. [2025-03-09 02:04:42,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1577 transitions. [2025-03-09 02:04:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-09 02:04:42,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:42,874 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:42,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:43,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:43,075 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2065328829, now seen corresponding path program 1 times [2025-03-09 02:04:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896253378] [2025-03-09 02:04:43,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:43,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:04:43,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:04:43,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:43,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:43,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:43,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896253378] [2025-03-09 02:04:43,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896253378] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:43,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153658237] [2025-03-09 02:04:43,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:43,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:43,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:43,127 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:43,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:04:43,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:04:43,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:04:43,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:43,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:43,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:43,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:43,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:43,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153658237] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:43,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:43,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-09 02:04:43,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789030085] [2025-03-09 02:04:43,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:43,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:04:43,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:43,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:04:43,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:43,284 INFO L87 Difference]: Start difference. First operand 1201 states and 1577 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:43,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:43,428 INFO L93 Difference]: Finished difference Result 1522 states and 1982 transitions. [2025-03-09 02:04:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:04:43,428 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 81 [2025-03-09 02:04:43,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:43,431 INFO L225 Difference]: With dead ends: 1522 [2025-03-09 02:04:43,431 INFO L226 Difference]: Without dead ends: 1521 [2025-03-09 02:04:43,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:43,432 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 69 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:43,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 727 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:43,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2025-03-09 02:04:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1456. [2025-03-09 02:04:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1388 states have (on average 1.3061959654178674) internal successors, (1813), 1413 states have internal predecessors, (1813), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:04:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1893 transitions. [2025-03-09 02:04:43,487 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1893 transitions. Word has length 81 [2025-03-09 02:04:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:43,487 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 1893 transitions. [2025-03-09 02:04:43,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1893 transitions. [2025-03-09 02:04:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-09 02:04:43,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:43,488 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:43,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-09 02:04:43,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-09 02:04:43,692 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:43,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:43,692 INFO L85 PathProgramCache]: Analyzing trace with hash -506111167, now seen corresponding path program 2 times [2025-03-09 02:04:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703415727] [2025-03-09 02:04:43,692 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:04:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:43,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-09 02:04:43,701 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:04:43,701 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:04:43,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:43,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419109270] [2025-03-09 02:04:43,702 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:04:43,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:43,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:43,703 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:43,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:04:43,723 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-09 02:04:43,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-09 02:04:43,736 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:04:43,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:43,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:04:43,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-09 02:04:43,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-09 02:04:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703415727] [2025-03-09 02:04:44,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419109270] [2025-03-09 02:04:44,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419109270] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:44,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:44,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 13 [2025-03-09 02:04:44,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053399132] [2025-03-09 02:04:44,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:04:44,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:04:44,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:44,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:04:44,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:04:44,100 INFO L87 Difference]: Start difference. First operand 1456 states and 1893 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:04:44,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:44,309 INFO L93 Difference]: Finished difference Result 1484 states and 1909 transitions. [2025-03-09 02:04:44,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:04:44,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 83 [2025-03-09 02:04:44,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:44,314 INFO L225 Difference]: With dead ends: 1484 [2025-03-09 02:04:44,314 INFO L226 Difference]: Without dead ends: 1482 [2025-03-09 02:04:44,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:04:44,315 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 273 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:44,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 235 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2025-03-09 02:04:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1456. [2025-03-09 02:04:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1388 states have (on average 1.2867435158501441) internal successors, (1786), 1413 states have internal predecessors, (1786), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:04:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1866 transitions. [2025-03-09 02:04:44,376 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1866 transitions. Word has length 83 [2025-03-09 02:04:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:44,376 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 1866 transitions. [2025-03-09 02:04:44,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:04:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1866 transitions. [2025-03-09 02:04:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-09 02:04:44,376 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:44,376 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:44,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-09 02:04:44,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:44,577 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:44,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1624650547, now seen corresponding path program 1 times [2025-03-09 02:04:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045234083] [2025-03-09 02:04:44,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:44,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:04:44,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:04:44,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:44,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:44,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:44,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045234083] [2025-03-09 02:04:44,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045234083] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:44,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381559356] [2025-03-09 02:04:44,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:44,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:44,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:44,648 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:44,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:04:44,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-09 02:04:44,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-09 02:04:44,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:44,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:44,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:04:44,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:44,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:45,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381559356] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:45,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:45,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-09 02:04:45,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084021896] [2025-03-09 02:04:45,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:45,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-09 02:04:45,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:45,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-09 02:04:45,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:04:45,128 INFO L87 Difference]: Start difference. First operand 1456 states and 1866 transitions. Second operand has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 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) [2025-03-09 02:04:45,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:45,727 INFO L93 Difference]: Finished difference Result 1573 states and 1995 transitions. [2025-03-09 02:04:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:04:45,727 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 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) Word has length 84 [2025-03-09 02:04:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:45,730 INFO L225 Difference]: With dead ends: 1573 [2025-03-09 02:04:45,730 INFO L226 Difference]: Without dead ends: 1572 [2025-03-09 02:04:45,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:04:45,731 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 503 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:45,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 499 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:04:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2025-03-09 02:04:45,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1462. [2025-03-09 02:04:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1394 states have (on average 1.2826398852223817) internal successors, (1788), 1419 states have internal predecessors, (1788), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:04:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1868 transitions. [2025-03-09 02:04:45,792 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1868 transitions. Word has length 84 [2025-03-09 02:04:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:45,792 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 1868 transitions. [2025-03-09 02:04:45,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.176470588235293) internal successors, (190), 18 states have internal predecessors, (190), 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) [2025-03-09 02:04:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1868 transitions. [2025-03-09 02:04:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:04:45,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:45,792 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:45,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:45,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:45,993 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:45,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash 387641748, now seen corresponding path program 1 times [2025-03-09 02:04:45,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:45,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97018829] [2025-03-09 02:04:45,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:45,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:04:46,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:04:46,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:46,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:46,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028806534] [2025-03-09 02:04:46,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:46,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:46,005 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:46,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-09 02:04:46,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:04:46,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:04:46,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:46,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:46,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:04:46,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:46,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:46,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97018829] [2025-03-09 02:04:46,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028806534] [2025-03-09 02:04:46,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028806534] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:46,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:46,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-09 02:04:46,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58033248] [2025-03-09 02:04:46,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:46,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:04:46,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:46,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:04:46,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:04:46,417 INFO L87 Difference]: Start difference. First operand 1462 states and 1868 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:47,430 INFO L93 Difference]: Finished difference Result 1488 states and 1893 transitions. [2025-03-09 02:04:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:04:47,430 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 85 [2025-03-09 02:04:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:47,433 INFO L225 Difference]: With dead ends: 1488 [2025-03-09 02:04:47,433 INFO L226 Difference]: Without dead ends: 1486 [2025-03-09 02:04:47,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:04:47,434 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 217 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:47,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 588 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-09 02:04:47,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2025-03-09 02:04:47,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1478. [2025-03-09 02:04:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1410 states have (on average 1.2815602836879432) internal successors, (1807), 1435 states have internal predecessors, (1807), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:04:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1887 transitions. [2025-03-09 02:04:47,496 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1887 transitions. Word has length 85 [2025-03-09 02:04:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:47,496 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 1887 transitions. [2025-03-09 02:04:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:04:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1887 transitions. [2025-03-09 02:04:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:04:47,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:47,497 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:47,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-09 02:04:47,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-09 02:04:47,697 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:47,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2078921131, now seen corresponding path program 1 times [2025-03-09 02:04:47,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:47,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916776161] [2025-03-09 02:04:47,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:47,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:47,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:04:47,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:04:47,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:47,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:47,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:47,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916776161] [2025-03-09 02:04:47,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916776161] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:47,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560252244] [2025-03-09 02:04:47,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:47,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:47,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:47,744 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:47,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-09 02:04:47,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:04:47,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:04:47,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:47,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:47,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:04:47,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:47,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:47,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560252244] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:47,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:47,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-09 02:04:47,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881177373] [2025-03-09 02:04:47,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:47,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:04:47,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:47,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:04:47,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:47,935 INFO L87 Difference]: Start difference. First operand 1478 states and 1887 transitions. Second operand has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:48,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:48,120 INFO L93 Difference]: Finished difference Result 1994 states and 2518 transitions. [2025-03-09 02:04:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:04:48,121 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 86 [2025-03-09 02:04:48,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:48,127 INFO L225 Difference]: With dead ends: 1994 [2025-03-09 02:04:48,127 INFO L226 Difference]: Without dead ends: 1993 [2025-03-09 02:04:48,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:04:48,129 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 227 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:48,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 822 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2025-03-09 02:04:48,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1784. [2025-03-09 02:04:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1707 states have (on average 1.2864674868189807) internal successors, (2196), 1732 states have internal predecessors, (2196), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-03-09 02:04:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2294 transitions. [2025-03-09 02:04:48,228 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2294 transitions. Word has length 86 [2025-03-09 02:04:48,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:48,228 INFO L471 AbstractCegarLoop]: Abstraction has 1784 states and 2294 transitions. [2025-03-09 02:04:48,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:04:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2294 transitions. [2025-03-09 02:04:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-09 02:04:48,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:48,228 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:48,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:48,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-09 02:04:48,429 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:48,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:48,429 INFO L85 PathProgramCache]: Analyzing trace with hash -177582275, now seen corresponding path program 1 times [2025-03-09 02:04:48,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:48,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714319302] [2025-03-09 02:04:48,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:48,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:48,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:04:48,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:04:48,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:48,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:48,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726548323] [2025-03-09 02:04:48,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:48,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:48,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:48,448 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:48,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-09 02:04:48,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:04:48,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:04:48,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:48,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:48,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:04:48,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:04:48,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:04:49,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:49,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714319302] [2025-03-09 02:04:49,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:49,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726548323] [2025-03-09 02:04:49,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726548323] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:49,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:49,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-03-09 02:04:49,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566476955] [2025-03-09 02:04:49,582 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:49,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:04:49,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:49,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:04:49,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:04:49,583 INFO L87 Difference]: Start difference. First operand 1784 states and 2294 transitions. Second operand has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:04:52,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:52,850 INFO L93 Difference]: Finished difference Result 1909 states and 2432 transitions. [2025-03-09 02:04:52,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-09 02:04:52,850 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 87 [2025-03-09 02:04:52,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:52,854 INFO L225 Difference]: With dead ends: 1909 [2025-03-09 02:04:52,854 INFO L226 Difference]: Without dead ends: 1905 [2025-03-09 02:04:52,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=602, Invalid=2478, Unknown=0, NotChecked=0, Total=3080 [2025-03-09 02:04:52,855 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 742 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:52,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 563 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-09 02:04:52,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2025-03-09 02:04:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1842. [2025-03-09 02:04:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.2773681225184346) internal successors, (2252), 1788 states have internal predecessors, (2252), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:04:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2354 transitions. [2025-03-09 02:04:52,926 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2354 transitions. Word has length 87 [2025-03-09 02:04:52,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:52,926 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2354 transitions. [2025-03-09 02:04:52,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.5) internal successors, (143), 23 states have internal predecessors, (143), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:04:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2354 transitions. [2025-03-09 02:04:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:04:52,927 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:52,927 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:52,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:53,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-09 02:04:53,131 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:53,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:53,131 INFO L85 PathProgramCache]: Analyzing trace with hash -931744342, now seen corresponding path program 1 times [2025-03-09 02:04:53,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:53,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364011262] [2025-03-09 02:04:53,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:53,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:04:53,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:04:53,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:53,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:53,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364011262] [2025-03-09 02:04:53,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364011262] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622256581] [2025-03-09 02:04:53,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:53,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:53,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:53,199 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:53,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-09 02:04:53,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:04:53,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:04:53,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:53,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:53,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:04:53,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:53,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:53,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622256581] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:53,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:53,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-09 02:04:53,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582295252] [2025-03-09 02:04:53,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:53,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:04:53,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:53,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:04:53,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:04:53,375 INFO L87 Difference]: Start difference. First operand 1842 states and 2354 transitions. Second operand has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-09 02:04:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:53,619 INFO L93 Difference]: Finished difference Result 1854 states and 2366 transitions. [2025-03-09 02:04:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:04:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 88 [2025-03-09 02:04:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:53,624 INFO L225 Difference]: With dead ends: 1854 [2025-03-09 02:04:53,624 INFO L226 Difference]: Without dead ends: 1853 [2025-03-09 02:04:53,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:04:53,625 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 152 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:53,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 405 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:04:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2025-03-09 02:04:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1842. [2025-03-09 02:04:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.2768009075439593) internal successors, (2251), 1788 states have internal predecessors, (2251), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:04:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2353 transitions. [2025-03-09 02:04:53,731 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2353 transitions. Word has length 88 [2025-03-09 02:04:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2353 transitions. [2025-03-09 02:04:53,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 10 states have internal predecessors, (109), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-09 02:04:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2353 transitions. [2025-03-09 02:04:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:04:53,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:53,732 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:53,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-09 02:04:53,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:53,938 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1469901831, now seen corresponding path program 1 times [2025-03-09 02:04:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130522593] [2025-03-09 02:04:53,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:53,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:04:53,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:04:53,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:53,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:53,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437776376] [2025-03-09 02:04:53,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:53,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:53,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:53,956 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:53,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-09 02:04:53,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:04:53,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:04:53,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:53,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:53,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:04:53,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:04:54,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:54,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:54,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130522593] [2025-03-09 02:04:54,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:54,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437776376] [2025-03-09 02:04:54,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437776376] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:54,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:04:54,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:04:54,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672291184] [2025-03-09 02:04:54,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:54,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:04:54,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:54,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:04:54,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:04:54,568 INFO L87 Difference]: Start difference. First operand 1842 states and 2353 transitions. Second operand has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:55,008 INFO L93 Difference]: Finished difference Result 1847 states and 2353 transitions. [2025-03-09 02:04:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:04:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 91 [2025-03-09 02:04:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:55,013 INFO L225 Difference]: With dead ends: 1847 [2025-03-09 02:04:55,013 INFO L226 Difference]: Without dead ends: 1845 [2025-03-09 02:04:55,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:04:55,014 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 157 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:55,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 563 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:04:55,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2025-03-09 02:04:55,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1842. [2025-03-09 02:04:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.2756664775950086) internal successors, (2249), 1788 states have internal predecessors, (2249), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:04:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2351 transitions. [2025-03-09 02:04:55,097 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2351 transitions. Word has length 91 [2025-03-09 02:04:55,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:55,097 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2351 transitions. [2025-03-09 02:04:55,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:04:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2351 transitions. [2025-03-09 02:04:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:04:55,098 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:55,098 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:04:55,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-09 02:04:55,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-09 02:04:55,302 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:55,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:55,302 INFO L85 PathProgramCache]: Analyzing trace with hash 402342953, now seen corresponding path program 2 times [2025-03-09 02:04:55,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:55,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312063516] [2025-03-09 02:04:55,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:04:55,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:55,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-03-09 02:04:55,315 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:04:55,317 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:04:55,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:04:55,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63921945] [2025-03-09 02:04:55,318 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:04:55,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:55,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:55,319 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:55,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-09 02:04:55,340 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-03-09 02:04:55,357 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:04:55,357 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:04:55,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:55,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:04:55,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:55,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:56,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:56,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312063516] [2025-03-09 02:04:56,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:04:56,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63921945] [2025-03-09 02:04:56,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63921945] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:56,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:04:56,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-03-09 02:04:56,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910946529] [2025-03-09 02:04:56,073 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:56,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:04:56,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:56,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:04:56,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:04:56,074 INFO L87 Difference]: Start difference. First operand 1842 states and 2351 transitions. Second operand has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:04:57,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:57,323 INFO L93 Difference]: Finished difference Result 1873 states and 2380 transitions. [2025-03-09 02:04:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 02:04:57,325 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) Word has length 92 [2025-03-09 02:04:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:57,331 INFO L225 Difference]: With dead ends: 1873 [2025-03-09 02:04:57,331 INFO L226 Difference]: Without dead ends: 1871 [2025-03-09 02:04:57,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=417, Invalid=1389, Unknown=0, NotChecked=0, Total=1806 [2025-03-09 02:04:57,332 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 787 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:57,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 407 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:04:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2025-03-09 02:04:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1842. [2025-03-09 02:04:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.2733976176971071) internal successors, (2245), 1788 states have internal predecessors, (2245), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-09 02:04:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2347 transitions. [2025-03-09 02:04:57,412 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2347 transitions. Word has length 92 [2025-03-09 02:04:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:57,412 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2347 transitions. [2025-03-09 02:04:57,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.818181818181818) internal successors, (150), 23 states have internal predecessors, (150), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:04:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2347 transitions. [2025-03-09 02:04:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:04:57,413 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:57,413 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:57,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-03-09 02:04:57,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2025-03-09 02:04:57,613 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:57,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1260764504, now seen corresponding path program 1 times [2025-03-09 02:04:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:57,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426274685] [2025-03-09 02:04:57,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:57,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:04:57,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:04:57,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:57,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:04:57,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:57,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426274685] [2025-03-09 02:04:57,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426274685] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:57,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53409705] [2025-03-09 02:04:57,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:57,733 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:57,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-09 02:04:57,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:04:57,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:04:57,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:57,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:57,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-09 02:04:57,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:04:58,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:04:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:04:58,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53409705] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:04:58,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:04:58,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 11] total 23 [2025-03-09 02:04:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433611974] [2025-03-09 02:04:58,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:04:58,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:04:58,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:04:58,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:04:58,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:04:58,706 INFO L87 Difference]: Start difference. First operand 1842 states and 2347 transitions. Second operand has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 8 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-09 02:04:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:04:59,150 INFO L93 Difference]: Finished difference Result 1887 states and 2371 transitions. [2025-03-09 02:04:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:04:59,150 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 8 states have call predecessors, (11), 10 states have call successors, (11) Word has length 94 [2025-03-09 02:04:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:04:59,153 INFO L225 Difference]: With dead ends: 1887 [2025-03-09 02:04:59,153 INFO L226 Difference]: Without dead ends: 930 [2025-03-09 02:04:59,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2025-03-09 02:04:59,155 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 349 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:04:59,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 565 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:04:59,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2025-03-09 02:04:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 922. [2025-03-09 02:04:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 869 states have (on average 1.2531645569620253) internal successors, (1089), 894 states have internal predecessors, (1089), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:04:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1139 transitions. [2025-03-09 02:04:59,197 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1139 transitions. Word has length 94 [2025-03-09 02:04:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:04:59,197 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1139 transitions. [2025-03-09 02:04:59,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 8 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-09 02:04:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1139 transitions. [2025-03-09 02:04:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:04:59,197 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:04:59,198 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:04:59,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-09 02:04:59,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:59,399 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:04:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:04:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1773512995, now seen corresponding path program 1 times [2025-03-09 02:04:59,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:04:59,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589407978] [2025-03-09 02:04:59,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:04:59,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:04:59,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:04:59,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:59,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:59,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:04:59,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589407978] [2025-03-09 02:04:59,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589407978] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:04:59,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140759184] [2025-03-09 02:04:59,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:04:59,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:04:59,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:04:59,534 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:04:59,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-09 02:04:59,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:04:59,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:04:59,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:04:59,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:04:59,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:04:59,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:04:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:04:59,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:00,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140759184] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:00,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:00,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-09 02:05:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018035691] [2025-03-09 02:05:00,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:00,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:05:00,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:00,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:05:00,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:05:00,049 INFO L87 Difference]: Start difference. First operand 922 states and 1139 transitions. Second operand has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:00,841 INFO L93 Difference]: Finished difference Result 956 states and 1174 transitions. [2025-03-09 02:05:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 02:05:00,842 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 94 [2025-03-09 02:05:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:00,844 INFO L225 Difference]: With dead ends: 956 [2025-03-09 02:05:00,844 INFO L226 Difference]: Without dead ends: 955 [2025-03-09 02:05:00,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2025-03-09 02:05:00,845 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 144 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:00,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 884 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-03-09 02:05:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 929. [2025-03-09 02:05:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 876 states have (on average 1.2511415525114156) internal successors, (1096), 901 states have internal predecessors, (1096), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:05:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1146 transitions. [2025-03-09 02:05:00,894 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1146 transitions. Word has length 94 [2025-03-09 02:05:00,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:00,895 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1146 transitions. [2025-03-09 02:05:00,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.818181818181818) internal successors, (216), 23 states have internal predecessors, (216), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1146 transitions. [2025-03-09 02:05:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:05:00,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:00,895 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:00,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:01,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-03-09 02:05:01,096 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:01,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -167001116, now seen corresponding path program 1 times [2025-03-09 02:05:01,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:01,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343829764] [2025-03-09 02:05:01,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:01,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:05:01,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:05:01,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:01,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:01,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645647995] [2025-03-09 02:05:01,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:01,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:01,112 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:01,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-09 02:05:01,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:05:01,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:05:01,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:01,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:01,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:05:01,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:01,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:01,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343829764] [2025-03-09 02:05:01,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645647995] [2025-03-09 02:05:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645647995] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:01,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:01,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-09 02:05:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66379512] [2025-03-09 02:05:01,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:01,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-09 02:05:01,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:01,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-09 02:05:01,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:05:01,760 INFO L87 Difference]: Start difference. First operand 929 states and 1146 transitions. Second operand has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:05:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:02,862 INFO L93 Difference]: Finished difference Result 971 states and 1194 transitions. [2025-03-09 02:05:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 02:05:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 94 [2025-03-09 02:05:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:02,865 INFO L225 Difference]: With dead ends: 971 [2025-03-09 02:05:02,865 INFO L226 Difference]: Without dead ends: 970 [2025-03-09 02:05:02,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:05:02,866 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 192 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:02,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 277 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:05:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2025-03-09 02:05:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 929. [2025-03-09 02:05:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 876 states have (on average 1.25) internal successors, (1095), 901 states have internal predecessors, (1095), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:05:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1145 transitions. [2025-03-09 02:05:02,912 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1145 transitions. Word has length 94 [2025-03-09 02:05:02,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:02,912 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1145 transitions. [2025-03-09 02:05:02,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:05:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1145 transitions. [2025-03-09 02:05:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:05:02,913 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:02,913 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:02,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-03-09 02:05:03,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:03,116 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:03,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash -855672029, now seen corresponding path program 1 times [2025-03-09 02:05:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:03,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590579918] [2025-03-09 02:05:03,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:03,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:03,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:03,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:03,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-09 02:05:03,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:03,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590579918] [2025-03-09 02:05:03,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590579918] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:03,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:03,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:03,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96290770] [2025-03-09 02:05:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:03,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:03,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:03,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:03,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:03,156 INFO L87 Difference]: Start difference. First operand 929 states and 1145 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:05:03,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:03,302 INFO L93 Difference]: Finished difference Result 942 states and 1153 transitions. [2025-03-09 02:05:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:03,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2025-03-09 02:05:03,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:03,304 INFO L225 Difference]: With dead ends: 942 [2025-03-09 02:05:03,304 INFO L226 Difference]: Without dead ends: 919 [2025-03-09 02:05:03,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:03,305 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 18 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:03,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 193 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:03,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2025-03-09 02:05:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 914. [2025-03-09 02:05:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 861 states have (on average 1.2520325203252032) internal successors, (1078), 886 states have internal predecessors, (1078), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:05:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1128 transitions. [2025-03-09 02:05:03,348 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1128 transitions. Word has length 95 [2025-03-09 02:05:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:03,349 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1128 transitions. [2025-03-09 02:05:03,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:05:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1128 transitions. [2025-03-09 02:05:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:05:03,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:03,349 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:03,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-03-09 02:05:03,349 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:03,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:03,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1409497060, now seen corresponding path program 1 times [2025-03-09 02:05:03,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:03,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217348487] [2025-03-09 02:05:03,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:03,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:03,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:03,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:03,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:03,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:03,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71125437] [2025-03-09 02:05:03,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:03,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:03,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:03,361 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:03,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-09 02:05:03,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:03,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:03,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:03,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:03,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-09 02:05:03,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:05:04,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:06,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:06,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217348487] [2025-03-09 02:05:06,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:06,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71125437] [2025-03-09 02:05:06,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71125437] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:06,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:06,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-03-09 02:05:06,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850299030] [2025-03-09 02:05:06,327 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:06,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 02:05:06,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:06,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 02:05:06,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2025-03-09 02:05:06,328 INFO L87 Difference]: Start difference. First operand 914 states and 1128 transitions. Second operand has 19 states, 18 states have (on average 4.833333333333333) internal successors, (87), 19 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:05:10,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:10,287 INFO L93 Difference]: Finished difference Result 948 states and 1152 transitions. [2025-03-09 02:05:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 02:05:10,287 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.833333333333333) internal successors, (87), 19 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-03-09 02:05:10,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:10,289 INFO L225 Difference]: With dead ends: 948 [2025-03-09 02:05:10,289 INFO L226 Difference]: Without dead ends: 947 [2025-03-09 02:05:10,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=305, Invalid=1765, Unknown=0, NotChecked=0, Total=2070 [2025-03-09 02:05:10,289 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 478 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:10,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 754 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-09 02:05:10,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2025-03-09 02:05:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 914. [2025-03-09 02:05:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 861 states have (on average 1.248548199767712) internal successors, (1075), 886 states have internal predecessors, (1075), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-09 02:05:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1125 transitions. [2025-03-09 02:05:10,325 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1125 transitions. Word has length 95 [2025-03-09 02:05:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:10,325 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1125 transitions. [2025-03-09 02:05:10,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.833333333333333) internal successors, (87), 19 states have internal predecessors, (87), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 02:05:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1125 transitions. [2025-03-09 02:05:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:05:10,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:10,326 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:10,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:10,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:10,526 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:10,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:10,527 INFO L85 PathProgramCache]: Analyzing trace with hash 667946243, now seen corresponding path program 1 times [2025-03-09 02:05:10,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:10,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848946323] [2025-03-09 02:05:10,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:10,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:10,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:10,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:10,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:10,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:10,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547047021] [2025-03-09 02:05:10,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:10,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:10,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:10,537 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:10,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-09 02:05:10,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:10,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:10,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:10,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:10,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:05:10,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:10,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:11,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:11,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848946323] [2025-03-09 02:05:11,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:11,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547047021] [2025-03-09 02:05:11,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547047021] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:11,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:11,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-03-09 02:05:11,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639660266] [2025-03-09 02:05:11,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:11,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 02:05:11,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:11,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 02:05:11,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:05:11,109 INFO L87 Difference]: Start difference. First operand 914 states and 1125 transitions. Second operand has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-09 02:05:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:12,002 INFO L93 Difference]: Finished difference Result 1213 states and 1516 transitions. [2025-03-09 02:05:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 02:05:12,002 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 95 [2025-03-09 02:05:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:12,004 INFO L225 Difference]: With dead ends: 1213 [2025-03-09 02:05:12,004 INFO L226 Difference]: Without dead ends: 1209 [2025-03-09 02:05:12,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=247, Invalid=943, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 02:05:12,005 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 677 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:12,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 487 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:05:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2025-03-09 02:05:12,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1072. [2025-03-09 02:05:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1012 states have (on average 1.2509881422924902) internal successors, (1266), 1037 states have internal predecessors, (1266), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:05:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1330 transitions. [2025-03-09 02:05:12,060 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1330 transitions. Word has length 95 [2025-03-09 02:05:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:12,061 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1330 transitions. [2025-03-09 02:05:12,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 8.777777777777779) internal successors, (158), 19 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-09 02:05:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1330 transitions. [2025-03-09 02:05:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 02:05:12,061 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:12,061 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:12,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:12,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-09 02:05:12,262 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:12,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:12,262 INFO L85 PathProgramCache]: Analyzing trace with hash -882067318, now seen corresponding path program 1 times [2025-03-09 02:05:12,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:12,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382089339] [2025-03-09 02:05:12,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:12,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:12,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:12,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:12,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:12,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382089339] [2025-03-09 02:05:12,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382089339] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:12,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938498882] [2025-03-09 02:05:12,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:12,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:12,344 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:12,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-09 02:05:12,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 02:05:12,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 02:05:12,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:12,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:12,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:05:12,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:12,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:12,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938498882] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:12,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:12,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-09 02:05:12,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188845592] [2025-03-09 02:05:12,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:12,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-09 02:05:12,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:12,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-09 02:05:12,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:05:12,711 INFO L87 Difference]: Start difference. First operand 1072 states and 1330 transitions. Second operand has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:13,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:13,286 INFO L93 Difference]: Finished difference Result 1092 states and 1352 transitions. [2025-03-09 02:05:13,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 02:05:13,287 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 95 [2025-03-09 02:05:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:13,288 INFO L225 Difference]: With dead ends: 1092 [2025-03-09 02:05:13,288 INFO L226 Difference]: Without dead ends: 1091 [2025-03-09 02:05:13,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:05:13,289 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 293 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:13,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 538 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:13,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2025-03-09 02:05:13,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1082. [2025-03-09 02:05:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 1022 states have (on average 1.25146771037182) internal successors, (1279), 1047 states have internal predecessors, (1279), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:05:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1343 transitions. [2025-03-09 02:05:13,352 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1343 transitions. Word has length 95 [2025-03-09 02:05:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:13,352 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1343 transitions. [2025-03-09 02:05:13,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1343 transitions. [2025-03-09 02:05:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:05:13,356 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:13,356 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:13,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:13,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-03-09 02:05:13,556 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:13,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -744735834, now seen corresponding path program 1 times [2025-03-09 02:05:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:13,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122734034] [2025-03-09 02:05:13,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:13,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:05:13,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:05:13,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:13,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263459934] [2025-03-09 02:05:13,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:13,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:13,578 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:13,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-09 02:05:13,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:05:13,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:05:13,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:13,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:13,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-09 02:05:13,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:14,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:14,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122734034] [2025-03-09 02:05:14,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:14,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263459934] [2025-03-09 02:05:14,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263459934] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:14,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:14,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2025-03-09 02:05:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243041886] [2025-03-09 02:05:14,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:14,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-09 02:05:14,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:14,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-09 02:05:14,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:05:14,586 INFO L87 Difference]: Start difference. First operand 1082 states and 1343 transitions. Second operand has 27 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 27 states have internal predecessors, (161), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:17,164 INFO L93 Difference]: Finished difference Result 1183 states and 1465 transitions. [2025-03-09 02:05:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-03-09 02:05:17,164 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 27 states have internal predecessors, (161), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 96 [2025-03-09 02:05:17,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:17,165 INFO L225 Difference]: With dead ends: 1183 [2025-03-09 02:05:17,166 INFO L226 Difference]: Without dead ends: 1179 [2025-03-09 02:05:17,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=818, Invalid=4438, Unknown=0, NotChecked=0, Total=5256 [2025-03-09 02:05:17,166 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 800 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:17,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 569 Invalid, 3129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-09 02:05:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2025-03-09 02:05:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1085. [2025-03-09 02:05:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1025 states have (on average 1.2429268292682927) internal successors, (1274), 1050 states have internal predecessors, (1274), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:05:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1338 transitions. [2025-03-09 02:05:17,212 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1338 transitions. Word has length 96 [2025-03-09 02:05:17,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:17,212 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1338 transitions. [2025-03-09 02:05:17,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.1923076923076925) internal successors, (161), 27 states have internal predecessors, (161), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1338 transitions. [2025-03-09 02:05:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-09 02:05:17,213 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:17,213 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:17,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-03-09 02:05:17,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-03-09 02:05:17,413 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:17,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:17,414 INFO L85 PathProgramCache]: Analyzing trace with hash 2001636863, now seen corresponding path program 2 times [2025-03-09 02:05:17,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:17,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674680748] [2025-03-09 02:05:17,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:17,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:17,417 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-09 02:05:17,425 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:05:17,425 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:17,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:17,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104300328] [2025-03-09 02:05:17,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:17,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:17,428 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:17,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-09 02:05:17,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-09 02:05:17,494 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:05:17,494 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:17,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:17,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:05:17,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:17,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:17,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:17,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674680748] [2025-03-09 02:05:17,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:17,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104300328] [2025-03-09 02:05:17,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104300328] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:17,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:17,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:05:17,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143796866] [2025-03-09 02:05:17,811 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:17,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:05:17,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:17,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:05:17,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:05:17,812 INFO L87 Difference]: Start difference. First operand 1085 states and 1338 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:05:18,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:18,481 INFO L93 Difference]: Finished difference Result 1106 states and 1342 transitions. [2025-03-09 02:05:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 02:05:18,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 99 [2025-03-09 02:05:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:18,483 INFO L225 Difference]: With dead ends: 1106 [2025-03-09 02:05:18,483 INFO L226 Difference]: Without dead ends: 1104 [2025-03-09 02:05:18,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2025-03-09 02:05:18,483 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 230 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:18,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 838 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:18,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2025-03-09 02:05:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1084. [2025-03-09 02:05:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1025 states have (on average 1.2214634146341463) internal successors, (1252), 1049 states have internal predecessors, (1252), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:05:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1316 transitions. [2025-03-09 02:05:18,542 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1316 transitions. Word has length 99 [2025-03-09 02:05:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1316 transitions. [2025-03-09 02:05:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:05:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1316 transitions. [2025-03-09 02:05:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-09 02:05:18,544 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:18,544 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:18,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-09 02:05:18,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:18,744 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:18,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1574958726, now seen corresponding path program 1 times [2025-03-09 02:05:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:18,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580546516] [2025-03-09 02:05:18,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:18,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-09 02:05:18,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:05:18,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:18,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:18,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175177168] [2025-03-09 02:05:18,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:18,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:18,755 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:18,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-09 02:05:18,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-09 02:05:18,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:05:18,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:18,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:18,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:05:18,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:19,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:20,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:20,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580546516] [2025-03-09 02:05:20,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:20,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175177168] [2025-03-09 02:05:20,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175177168] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:20,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:20,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2025-03-09 02:05:20,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183941602] [2025-03-09 02:05:20,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:20,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-09 02:05:20,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:20,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-09 02:05:20,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:05:20,275 INFO L87 Difference]: Start difference. First operand 1084 states and 1316 transitions. Second operand has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:05:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:21,973 INFO L93 Difference]: Finished difference Result 1099 states and 1334 transitions. [2025-03-09 02:05:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 02:05:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 99 [2025-03-09 02:05:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:21,975 INFO L225 Difference]: With dead ends: 1099 [2025-03-09 02:05:21,975 INFO L226 Difference]: Without dead ends: 1075 [2025-03-09 02:05:21,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2025-03-09 02:05:21,976 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 130 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:21,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 383 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-09 02:05:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2025-03-09 02:05:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1072. [2025-03-09 02:05:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1013 states have (on average 1.2260612043435342) internal successors, (1242), 1037 states have internal predecessors, (1242), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:05:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1306 transitions. [2025-03-09 02:05:22,025 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1306 transitions. Word has length 99 [2025-03-09 02:05:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:22,025 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1306 transitions. [2025-03-09 02:05:22,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.583333333333333) internal successors, (158), 25 states have internal predecessors, (158), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-03-09 02:05:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1306 transitions. [2025-03-09 02:05:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 02:05:22,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:22,026 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:22,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:22,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:22,226 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:22,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:22,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1921200675, now seen corresponding path program 1 times [2025-03-09 02:05:22,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:22,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948842080] [2025-03-09 02:05:22,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:22,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:05:22,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:05:22,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:22,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178543431] [2025-03-09 02:05:22,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:22,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:22,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:22,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-09 02:05:22,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:05:22,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:05:22,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:22,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-09 02:05:22,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:22,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:24,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948842080] [2025-03-09 02:05:24,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178543431] [2025-03-09 02:05:24,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178543431] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:24,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:24,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-03-09 02:05:24,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425844520] [2025-03-09 02:05:24,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:24,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-03-09 02:05:24,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:24,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-03-09 02:05:24,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=912, Unknown=0, NotChecked=0, Total=1056 [2025-03-09 02:05:24,241 INFO L87 Difference]: Start difference. First operand 1072 states and 1306 transitions. Second operand has 33 states, 32 states have (on average 5.28125) internal successors, (169), 33 states have internal predecessors, (169), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:31,026 INFO L93 Difference]: Finished difference Result 1337 states and 1648 transitions. [2025-03-09 02:05:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-03-09 02:05:31,027 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.28125) internal successors, (169), 33 states have internal predecessors, (169), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 100 [2025-03-09 02:05:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:31,029 INFO L225 Difference]: With dead ends: 1337 [2025-03-09 02:05:31,029 INFO L226 Difference]: Without dead ends: 1332 [2025-03-09 02:05:31,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2203 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1290, Invalid=7082, Unknown=0, NotChecked=0, Total=8372 [2025-03-09 02:05:31,031 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 812 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 3291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:31,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 459 Invalid, 3291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-03-09 02:05:31,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2025-03-09 02:05:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1251. [2025-03-09 02:05:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1186 states have (on average 1.233558178752108) internal successors, (1463), 1210 states have internal predecessors, (1463), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:05:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1539 transitions. [2025-03-09 02:05:31,100 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1539 transitions. Word has length 100 [2025-03-09 02:05:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:31,101 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1539 transitions. [2025-03-09 02:05:31,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.28125) internal successors, (169), 33 states have internal predecessors, (169), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-03-09 02:05:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1539 transitions. [2025-03-09 02:05:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:05:31,101 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:31,101 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:31,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:31,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:31,302 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:31,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:31,302 INFO L85 PathProgramCache]: Analyzing trace with hash -625470506, now seen corresponding path program 1 times [2025-03-09 02:05:31,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:31,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144577029] [2025-03-09 02:05:31,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:31,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:31,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:31,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:31,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:31,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:31,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144577029] [2025-03-09 02:05:31,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144577029] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:31,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523912887] [2025-03-09 02:05:31,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:31,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:31,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:31,447 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:31,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-09 02:05:31,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:31,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:31,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:31,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:31,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:05:31,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 56 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:31,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:31,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523912887] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:31,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:31,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-03-09 02:05:31,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069759767] [2025-03-09 02:05:31,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:31,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:05:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:31,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:05:31,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:05:31,931 INFO L87 Difference]: Start difference. First operand 1251 states and 1539 transitions. Second operand has 20 states, 19 states have (on average 13.105263157894736) internal successors, (249), 20 states have internal predecessors, (249), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2025-03-09 02:05:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:32,599 INFO L93 Difference]: Finished difference Result 1355 states and 1657 transitions. [2025-03-09 02:05:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:05:32,599 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 13.105263157894736) internal successors, (249), 20 states have internal predecessors, (249), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) Word has length 101 [2025-03-09 02:05:32,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:32,601 INFO L225 Difference]: With dead ends: 1355 [2025-03-09 02:05:32,601 INFO L226 Difference]: Without dead ends: 1352 [2025-03-09 02:05:32,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2025-03-09 02:05:32,602 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 509 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:32,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 512 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:32,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2025-03-09 02:05:32,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1199. [2025-03-09 02:05:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1138 states have (on average 1.2012302284710017) internal successors, (1367), 1161 states have internal predecessors, (1367), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1437 transitions. [2025-03-09 02:05:32,661 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1437 transitions. Word has length 101 [2025-03-09 02:05:32,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:32,661 INFO L471 AbstractCegarLoop]: Abstraction has 1199 states and 1437 transitions. [2025-03-09 02:05:32,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 13.105263157894736) internal successors, (249), 20 states have internal predecessors, (249), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2025-03-09 02:05:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1437 transitions. [2025-03-09 02:05:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:05:32,662 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:32,662 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:32,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:32,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2025-03-09 02:05:32,863 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:32,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:32,863 INFO L85 PathProgramCache]: Analyzing trace with hash 218266900, now seen corresponding path program 1 times [2025-03-09 02:05:32,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:32,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724882949] [2025-03-09 02:05:32,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:32,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:32,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:32,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:32,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724882949] [2025-03-09 02:05:32,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724882949] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217407555] [2025-03-09 02:05:32,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:32,920 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:32,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-09 02:05:32,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:32,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:32,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:32,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:05:32,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:33,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:05:33,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217407555] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:33,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:33,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2025-03-09 02:05:33,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530135985] [2025-03-09 02:05:33,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:33,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:05:33,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:33,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:05:33,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:05:33,286 INFO L87 Difference]: Start difference. First operand 1199 states and 1437 transitions. Second operand has 15 states, 14 states have (on average 15.785714285714286) internal successors, (221), 15 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:05:33,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:33,804 INFO L93 Difference]: Finished difference Result 1554 states and 1859 transitions. [2025-03-09 02:05:33,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 02:05:33,804 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 15.785714285714286) internal successors, (221), 15 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 103 [2025-03-09 02:05:33,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:33,805 INFO L225 Difference]: With dead ends: 1554 [2025-03-09 02:05:33,805 INFO L226 Difference]: Without dead ends: 968 [2025-03-09 02:05:33,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2025-03-09 02:05:33,807 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 290 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:33,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 542 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2025-03-09 02:05:33,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 919. [2025-03-09 02:05:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 866 states have (on average 1.1789838337182448) internal successors, (1021), 889 states have internal predecessors, (1021), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-09 02:05:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1075 transitions. [2025-03-09 02:05:33,862 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1075 transitions. Word has length 103 [2025-03-09 02:05:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:33,863 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1075 transitions. [2025-03-09 02:05:33,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 15.785714285714286) internal successors, (221), 15 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-03-09 02:05:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1075 transitions. [2025-03-09 02:05:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 02:05:33,863 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:33,863 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:33,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-03-09 02:05:34,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-03-09 02:05:34,064 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:34,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:34,064 INFO L85 PathProgramCache]: Analyzing trace with hash 956867449, now seen corresponding path program 1 times [2025-03-09 02:05:34,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:34,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100924649] [2025-03-09 02:05:34,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:34,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:34,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:34,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:34,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991035719] [2025-03-09 02:05:34,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:34,076 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:34,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-09 02:05:34,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:34,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:34,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:34,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-09 02:05:34,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:34,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:35,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:35,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100924649] [2025-03-09 02:05:35,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:35,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991035719] [2025-03-09 02:05:35,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991035719] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:35,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:35,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2025-03-09 02:05:35,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776202634] [2025-03-09 02:05:35,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:35,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-03-09 02:05:35,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:35,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-03-09 02:05:35,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=850, Unknown=0, NotChecked=0, Total=992 [2025-03-09 02:05:35,456 INFO L87 Difference]: Start difference. First operand 919 states and 1075 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-09 02:05:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:40,724 INFO L93 Difference]: Finished difference Result 1076 states and 1264 transitions. [2025-03-09 02:05:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-03-09 02:05:40,725 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 105 [2025-03-09 02:05:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:40,726 INFO L225 Difference]: With dead ends: 1076 [2025-03-09 02:05:40,726 INFO L226 Difference]: Without dead ends: 1074 [2025-03-09 02:05:40,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2022 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1136, Invalid=6696, Unknown=0, NotChecked=0, Total=7832 [2025-03-09 02:05:40,727 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 1007 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 3395 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 3445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:40,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 439 Invalid, 3445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3395 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-09 02:05:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2025-03-09 02:05:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 913. [2025-03-09 02:05:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 860 states have (on average 1.1755813953488372) internal successors, (1011), 883 states have internal predecessors, (1011), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-09 02:05:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1065 transitions. [2025-03-09 02:05:40,777 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1065 transitions. Word has length 105 [2025-03-09 02:05:40,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:40,777 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1065 transitions. [2025-03-09 02:05:40,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2025-03-09 02:05:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1065 transitions. [2025-03-09 02:05:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-09 02:05:40,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:40,778 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:40,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:40,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:40,979 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:40,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:40,979 INFO L85 PathProgramCache]: Analyzing trace with hash 426618871, now seen corresponding path program 1 times [2025-03-09 02:05:40,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:40,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139833475] [2025-03-09 02:05:40,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:40,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:40,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-09 02:05:40,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-09 02:05:40,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:40,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:05:41,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:41,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139833475] [2025-03-09 02:05:41,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139833475] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:41,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:41,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 02:05:41,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153512245] [2025-03-09 02:05:41,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:41,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:05:41,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:41,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:05:41,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:41,128 INFO L87 Difference]: Start difference. First operand 913 states and 1065 transitions. Second operand has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:05:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:41,485 INFO L93 Difference]: Finished difference Result 1182 states and 1378 transitions. [2025-03-09 02:05:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:05:41,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 107 [2025-03-09 02:05:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:41,486 INFO L225 Difference]: With dead ends: 1182 [2025-03-09 02:05:41,486 INFO L226 Difference]: Without dead ends: 854 [2025-03-09 02:05:41,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:41,487 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 198 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:41,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 404 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2025-03-09 02:05:41,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 827. [2025-03-09 02:05:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 777 states have (on average 1.1711711711711712) internal successors, (910), 800 states have internal predecessors, (910), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:05:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2025-03-09 02:05:41,532 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 107 [2025-03-09 02:05:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:41,532 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2025-03-09 02:05:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-09 02:05:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2025-03-09 02:05:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-09 02:05:41,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:41,533 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, 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] [2025-03-09 02:05:41,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2025-03-09 02:05:41,533 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:41,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:41,533 INFO L85 PathProgramCache]: Analyzing trace with hash 320531749, now seen corresponding path program 1 times [2025-03-09 02:05:41,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:41,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973364594] [2025-03-09 02:05:41,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:41,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:05:41,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:05:41,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:05:41,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:41,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973364594] [2025-03-09 02:05:41,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973364594] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:41,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832563720] [2025-03-09 02:05:41,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:41,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:41,710 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:41,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-09 02:05:41,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-09 02:05:41,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-09 02:05:41,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:41,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 02:05:41,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:05:42,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:05:42,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832563720] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:42,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:42,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-03-09 02:05:42,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180093722] [2025-03-09 02:05:42,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:42,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-09 02:05:42,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:42,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-09 02:05:42,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2025-03-09 02:05:42,323 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand has 26 states, 26 states have (on average 9.846153846153847) internal successors, (256), 26 states have internal predecessors, (256), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-09 02:05:43,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:43,340 INFO L93 Difference]: Finished difference Result 839 states and 969 transitions. [2025-03-09 02:05:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 02:05:43,341 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 9.846153846153847) internal successors, (256), 26 states have internal predecessors, (256), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 119 [2025-03-09 02:05:43,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:43,342 INFO L225 Difference]: With dead ends: 839 [2025-03-09 02:05:43,342 INFO L226 Difference]: Without dead ends: 816 [2025-03-09 02:05:43,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=238, Invalid=1568, Unknown=0, NotChecked=0, Total=1806 [2025-03-09 02:05:43,343 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 135 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:43,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1081 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:05:43,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-03-09 02:05:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2025-03-09 02:05:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 767 states have (on average 1.1707953063885268) internal successors, (898), 789 states have internal predecessors, (898), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-03-09 02:05:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 946 transitions. [2025-03-09 02:05:43,385 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 946 transitions. Word has length 119 [2025-03-09 02:05:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:43,386 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 946 transitions. [2025-03-09 02:05:43,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.846153846153847) internal successors, (256), 26 states have internal predecessors, (256), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-03-09 02:05:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 946 transitions. [2025-03-09 02:05:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-09 02:05:43,386 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:43,386 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:43,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2025-03-09 02:05:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-03-09 02:05:43,587 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-03-09 02:05:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 42253691, now seen corresponding path program 2 times [2025-03-09 02:05:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025858896] [2025-03-09 02:05:43,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:43,591 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-09 02:05:43,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-09 02:05:43,596 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:43,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:43,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849157068] [2025-03-09 02:05:43,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:43,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:43,599 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:43,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-09 02:05:43,624 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-09 02:05:43,646 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-09 02:05:43,646 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:43,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:43,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-09 02:05:43,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-09 02:05:46,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:47,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:47,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025858896] [2025-03-09 02:05:47,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:47,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849157068] [2025-03-09 02:05:47,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849157068] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:47,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:47,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2025-03-09 02:05:47,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493111329] [2025-03-09 02:05:47,450 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:47,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-09 02:05:47,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:47,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-09 02:05:47,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:05:47,450 INFO L87 Difference]: Start difference. First operand 816 states and 946 transitions. Second operand has 22 states, 21 states have (on average 5.523809523809524) internal successors, (116), 21 states have internal predecessors, (116), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5)