./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.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/cohendiv-ll_valuebound5.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 fc77cb5fe4af5100e01bafbf150d5df54332b351a9f9d4040d6b54bbf20f5710 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:07:27,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:07:27,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:07:27,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:07:27,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:07:27,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:07:27,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:07:27,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:07:27,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:07:27,959 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:07:27,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:07:27,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:07:27,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:07:27,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:07:27,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:07:27,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:07:27,962 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:07:27,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:07:27,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:07:27,962 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 -> fc77cb5fe4af5100e01bafbf150d5df54332b351a9f9d4040d6b54bbf20f5710 [2025-03-09 02:07:28,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:07:28,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:07:28,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:07:28,214 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:07:28,214 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:07:28,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c [2025-03-09 02:07:29,339 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7859768/b07b12331f6d451a86195dc9586ce963/FLAGf5e0693f1 [2025-03-09 02:07:29,519 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:07:29,520 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c [2025-03-09 02:07:29,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7859768/b07b12331f6d451a86195dc9586ce963/FLAGf5e0693f1 [2025-03-09 02:07:29,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7859768/b07b12331f6d451a86195dc9586ce963 [2025-03-09 02:07:29,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:07:29,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:07:29,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:07:29,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:07:29,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:07:29,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d463407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29, skipping insertion in model container [2025-03-09 02:07:29,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:07:29,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:07:29,657 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:07:29,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:07:29,680 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:07:29,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29 WrapperNode [2025-03-09 02:07:29,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:07:29,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:07:29,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:07:29,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:07:29,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,702 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2025-03-09 02:07:29,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:07:29,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:07:29,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:07:29,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:07:29,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,728 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 02:07:29,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:07:29,734 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:07:29,734 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:07:29,734 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:07:29,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (1/1) ... [2025-03-09 02:07:29,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:07:29,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:29,762 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 02:07:29,765 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 02:07:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:07:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:07:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:07:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:07:29,825 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:07:29,827 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:07:30,035 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2025-03-09 02:07:30,035 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:07:30,042 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:07:30,043 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:07:30,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:07:30 BoogieIcfgContainer [2025-03-09 02:07:30,043 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:07:30,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:07:30,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:07:30,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:07:30,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:07:29" (1/3) ... [2025-03-09 02:07:30,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc543b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:07:30, skipping insertion in model container [2025-03-09 02:07:30,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:07:29" (2/3) ... [2025-03-09 02:07:30,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc543b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:07:30, skipping insertion in model container [2025-03-09 02:07:30,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:07:30" (3/3) ... [2025-03-09 02:07:30,050 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound5.c [2025-03-09 02:07:30,062 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:07:30,063 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_valuebound5.c that has 3 procedures, 90 locations, 1 initial locations, 2 loop locations, and 30 error locations. [2025-03-09 02:07:30,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:07:30,107 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;@29032a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:07:30,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-03-09 02:07:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 77 states have internal predecessors, (83), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:07:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 02:07:30,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:30,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:30,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:30,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1255816865, now seen corresponding path program 1 times [2025-03-09 02:07:30,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:30,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010746909] [2025-03-09 02:07:30,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:30,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:07:30,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:07:30,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:07:30,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:30,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010746909] [2025-03-09 02:07:30,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010746909] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:30,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459039647] [2025-03-09 02:07:30,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:30,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:30,212 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 02:07:30,213 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 02:07:30,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:07:30,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:07:30,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:30,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:07:30,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:07:30,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:30,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459039647] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:30,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:30,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:07:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856265988] [2025-03-09 02:07:30,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:30,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:07:30,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:30,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:07:30,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:07:30,288 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 77 states have internal predecessors, (83), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:07:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:30,311 INFO L93 Difference]: Finished difference Result 176 states and 211 transitions. [2025-03-09 02:07:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:07:30,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-03-09 02:07:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:30,317 INFO L225 Difference]: With dead ends: 176 [2025-03-09 02:07:30,317 INFO L226 Difference]: Without dead ends: 83 [2025-03-09 02:07:30,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 02:07:30,323 INFO L435 NwaCegarLoop]: 98 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, 98 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 02:07:30,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:07:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-03-09 02:07:30,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-03-09 02:07:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 71 states have internal predecessors, (73), 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 02:07:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2025-03-09 02:07:30,360 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 20 [2025-03-09 02:07:30,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:30,361 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2025-03-09 02:07:30,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:07:30,362 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2025-03-09 02:07:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-09 02:07:30,363 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:30,363 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:30,369 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 02:07:30,564 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 02:07:30,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:30,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:30,565 INFO L85 PathProgramCache]: Analyzing trace with hash 549692704, now seen corresponding path program 1 times [2025-03-09 02:07:30,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:30,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587284337] [2025-03-09 02:07:30,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:30,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:07:30,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:07:30,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:30,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357525385] [2025-03-09 02:07:30,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:30,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:30,594 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 02:07:30,595 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 02:07:30,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-09 02:07:30,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-09 02:07:30,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:30,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:07:30,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:07:30,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:30,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:30,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587284337] [2025-03-09 02:07:30,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:30,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357525385] [2025-03-09 02:07:30,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357525385] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:30,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:30,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:07:30,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551579992] [2025-03-09 02:07:30,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:30,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:07:30,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:30,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:07:30,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:07:30,657 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 02:07:30,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:30,700 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2025-03-09 02:07:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:07:30,700 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), 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 20 [2025-03-09 02:07:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:30,701 INFO L225 Difference]: With dead ends: 106 [2025-03-09 02:07:30,702 INFO L226 Difference]: Without dead ends: 104 [2025-03-09 02:07:30,703 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 02:07:30,703 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:30,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 157 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:07:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-03-09 02:07:30,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2025-03-09 02:07:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 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 02:07:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2025-03-09 02:07:30,718 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 20 [2025-03-09 02:07:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:30,718 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2025-03-09 02:07:30,718 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), 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 02:07:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2025-03-09 02:07:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 02:07:30,719 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:30,720 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:30,726 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 02:07:30,924 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,SelfDestructingSolverStorable1 [2025-03-09 02:07:30,924 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1755853672, now seen corresponding path program 1 times [2025-03-09 02:07:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869607431] [2025-03-09 02:07:30,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:30,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:07:30,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:07:30,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:30,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169976112] [2025-03-09 02:07:30,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:30,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:30,951 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 02:07:30,952 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 02:07:30,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:07:30,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:07:30,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:30,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:30,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:07:30,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:07:31,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:31,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:31,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869607431] [2025-03-09 02:07:31,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:31,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169976112] [2025-03-09 02:07:31,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169976112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:31,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:31,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:07:31,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028988406] [2025-03-09 02:07:31,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:31,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:07:31,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:31,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:07:31,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:07:31,008 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:31,108 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2025-03-09 02:07:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:07:31,108 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2025-03-09 02:07:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:31,109 INFO L225 Difference]: With dead ends: 141 [2025-03-09 02:07:31,109 INFO L226 Difference]: Without dead ends: 135 [2025-03-09 02:07:31,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:07:31,110 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 44 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:31,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 132 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-03-09 02:07:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 115. [2025-03-09 02:07:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.7205882352941178) internal successors, (117), 97 states have internal predecessors, (117), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:07:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 147 transitions. [2025-03-09 02:07:31,119 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 147 transitions. Word has length 27 [2025-03-09 02:07:31,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:31,120 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 147 transitions. [2025-03-09 02:07:31,120 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2025-03-09 02:07:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:07:31,120 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:31,120 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:31,126 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 02:07:31,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:31,321 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:31,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:31,322 INFO L85 PathProgramCache]: Analyzing trace with hash 546769750, now seen corresponding path program 1 times [2025-03-09 02:07:31,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095494205] [2025-03-09 02:07:31,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:31,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:07:31,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:07:31,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:31,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-09 02:07:31,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:31,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095494205] [2025-03-09 02:07:31,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095494205] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:31,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285871292] [2025-03-09 02:07:31,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:31,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:31,546 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 02:07:31,548 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 02:07:31,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:07:31,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:07:31,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:31,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:31,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:07:31,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:07:31,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:31,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285871292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:31,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:31,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:07:31,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430952847] [2025-03-09 02:07:31,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:31,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:31,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:31,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:31,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:07:31,663 INFO L87 Difference]: Start difference. First operand 115 states and 147 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:31,765 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2025-03-09 02:07:31,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:31,766 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2025-03-09 02:07:31,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:31,768 INFO L225 Difference]: With dead ends: 134 [2025-03-09 02:07:31,768 INFO L226 Difference]: Without dead ends: 131 [2025-03-09 02:07:31,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:07:31,769 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 150 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:31,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 138 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-03-09 02:07:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 116. [2025-03-09 02:07:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.681159420289855) internal successors, (116), 98 states have internal predecessors, (116), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:07:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 146 transitions. [2025-03-09 02:07:31,784 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 146 transitions. Word has length 29 [2025-03-09 02:07:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:31,784 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 146 transitions. [2025-03-09 02:07:31,784 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2025-03-09 02:07:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 02:07:31,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:31,785 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:31,791 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 02:07:31,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:31,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:31,989 INFO L85 PathProgramCache]: Analyzing trace with hash -230006900, now seen corresponding path program 1 times [2025-03-09 02:07:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528474541] [2025-03-09 02:07:31,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:31,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:07:32,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:07:32,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:32,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707829060] [2025-03-09 02:07:32,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:32,008 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 02:07:32,009 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 02:07:32,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:07:32,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:07:32,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:32,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:07:32,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:07:32,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:32,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:32,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528474541] [2025-03-09 02:07:32,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:32,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707829060] [2025-03-09 02:07:32,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707829060] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:32,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:32,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:32,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723413814] [2025-03-09 02:07:32,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:32,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:32,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:32,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:32,104 INFO L87 Difference]: Start difference. First operand 116 states and 146 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:32,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:32,195 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2025-03-09 02:07:32,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:32,195 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2025-03-09 02:07:32,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:32,196 INFO L225 Difference]: With dead ends: 134 [2025-03-09 02:07:32,196 INFO L226 Difference]: Without dead ends: 127 [2025-03-09 02:07:32,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 02:07:32,197 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 146 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:32,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 141 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:32,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-03-09 02:07:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 113. [2025-03-09 02:07:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 95 states have internal predecessors, (110), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:07:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 140 transitions. [2025-03-09 02:07:32,211 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 140 transitions. Word has length 30 [2025-03-09 02:07:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:32,211 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 140 transitions. [2025-03-09 02:07:32,211 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 02:07:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2025-03-09 02:07:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-09 02:07:32,213 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:32,214 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:07:32,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:07:32,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:32,414 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:32,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:32,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1248297957, now seen corresponding path program 1 times [2025-03-09 02:07:32,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:32,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121463183] [2025-03-09 02:07:32,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:32,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:32,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:07:32,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:07:32,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:32,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261243790] [2025-03-09 02:07:32,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:32,439 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 02:07:32,442 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 02:07:32,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-09 02:07:32,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-09 02:07:32,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:32,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:07:32,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:07:32,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:32,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121463183] [2025-03-09 02:07:32,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261243790] [2025-03-09 02:07:32,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261243790] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:32,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:32,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:32,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392596217] [2025-03-09 02:07:32,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:32,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:32,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:32,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:32,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:32,502 INFO L87 Difference]: Start difference. First operand 113 states and 140 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:07:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:32,655 INFO L93 Difference]: Finished difference Result 177 states and 245 transitions. [2025-03-09 02:07:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:32,655 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2025-03-09 02:07:32,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:32,657 INFO L225 Difference]: With dead ends: 177 [2025-03-09 02:07:32,657 INFO L226 Difference]: Without dead ends: 172 [2025-03-09 02:07:32,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 02:07:32,658 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 72 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:32,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 100 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-03-09 02:07:32,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 156. [2025-03-09 02:07:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.6534653465346534) internal successors, (167), 130 states have internal predecessors, (167), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 213 transitions. [2025-03-09 02:07:32,669 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 213 transitions. Word has length 37 [2025-03-09 02:07:32,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:32,669 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 213 transitions. [2025-03-09 02:07:32,669 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:07:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2025-03-09 02:07:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:07:32,670 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:32,670 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:07:32,677 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 02:07:32,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:32,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:32,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:32,875 INFO L85 PathProgramCache]: Analyzing trace with hash 42531027, now seen corresponding path program 1 times [2025-03-09 02:07:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958656738] [2025-03-09 02:07:32,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:32,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:07:32,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:07:32,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:32,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120604373] [2025-03-09 02:07:32,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:32,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:32,891 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 02:07:32,893 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 02:07:32,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:07:32,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:07:32,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:32,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:32,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:07:32,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:07:32,962 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:32,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:32,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958656738] [2025-03-09 02:07:32,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:32,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120604373] [2025-03-09 02:07:32,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120604373] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:32,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:32,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:32,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540549883] [2025-03-09 02:07:32,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:32,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:32,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:32,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:32,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:32,963 INFO L87 Difference]: Start difference. First operand 156 states and 213 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:07:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:33,084 INFO L93 Difference]: Finished difference Result 175 states and 236 transitions. [2025-03-09 02:07:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:33,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2025-03-09 02:07:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:33,086 INFO L225 Difference]: With dead ends: 175 [2025-03-09 02:07:33,086 INFO L226 Difference]: Without dead ends: 172 [2025-03-09 02:07:33,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 02:07:33,087 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 97 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:33,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 81 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:33,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-03-09 02:07:33,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157. [2025-03-09 02:07:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.607843137254902) internal successors, (164), 131 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2025-03-09 02:07:33,101 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 38 [2025-03-09 02:07:33,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:33,101 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2025-03-09 02:07:33,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:07:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2025-03-09 02:07:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-09 02:07:33,102 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:33,102 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:33,108 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 02:07:33,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:33,303 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:33,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash 462778291, now seen corresponding path program 1 times [2025-03-09 02:07:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008234631] [2025-03-09 02:07:33,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:33,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-09 02:07:33,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-09 02:07:33,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:33,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:33,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008234631] [2025-03-09 02:07:33,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008234631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:33,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:33,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:33,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751144354] [2025-03-09 02:07:33,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:33,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:33,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:33,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:33,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:33,381 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:33,519 INFO L93 Difference]: Finished difference Result 190 states and 239 transitions. [2025-03-09 02:07:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:07:33,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 58 [2025-03-09 02:07:33,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:33,521 INFO L225 Difference]: With dead ends: 190 [2025-03-09 02:07:33,521 INFO L226 Difference]: Without dead ends: 188 [2025-03-09 02:07:33,521 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 02:07:33,521 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 111 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:33,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 89 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-03-09 02:07:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2025-03-09 02:07:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.5769230769230769) internal successors, (164), 133 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 210 transitions. [2025-03-09 02:07:33,530 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 210 transitions. Word has length 58 [2025-03-09 02:07:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:33,530 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 210 transitions. [2025-03-09 02:07:33,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 210 transitions. [2025-03-09 02:07:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-09 02:07:33,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:33,531 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:33,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:07:33,531 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:33,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1461225142, now seen corresponding path program 1 times [2025-03-09 02:07:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760322394] [2025-03-09 02:07:33,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:33,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-09 02:07:33,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-09 02:07:33,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:33,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:33,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:33,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760322394] [2025-03-09 02:07:33,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760322394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:33,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:33,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126560543] [2025-03-09 02:07:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:33,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:33,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:33,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:33,590 INFO L87 Difference]: Start difference. First operand 159 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:33,707 INFO L93 Difference]: Finished difference Result 190 states and 235 transitions. [2025-03-09 02:07:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:07:33,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 59 [2025-03-09 02:07:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:33,709 INFO L225 Difference]: With dead ends: 190 [2025-03-09 02:07:33,709 INFO L226 Difference]: Without dead ends: 188 [2025-03-09 02:07:33,710 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 02:07:33,712 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 108 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:33,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 91 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:33,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-03-09 02:07:33,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2025-03-09 02:07:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.5471698113207548) internal successors, (164), 135 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2025-03-09 02:07:33,720 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 59 [2025-03-09 02:07:33,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:33,720 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2025-03-09 02:07:33,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2025-03-09 02:07:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-09 02:07:33,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:33,721 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:33,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:07:33,721 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:33,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:33,722 INFO L85 PathProgramCache]: Analyzing trace with hash -216944125, now seen corresponding path program 1 times [2025-03-09 02:07:33,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:33,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453992658] [2025-03-09 02:07:33,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:33,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:33,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:07:33,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:07:33,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:33,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:33,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:33,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453992658] [2025-03-09 02:07:33,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453992658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:33,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:33,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:07:33,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612042417] [2025-03-09 02:07:33,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:33,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:07:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:33,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:07:33,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:07:33,787 INFO L87 Difference]: Start difference. First operand 161 states and 210 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:33,827 INFO L93 Difference]: Finished difference Result 166 states and 210 transitions. [2025-03-09 02:07:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:07:33,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2025-03-09 02:07:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:33,828 INFO L225 Difference]: With dead ends: 166 [2025-03-09 02:07:33,829 INFO L226 Difference]: Without dead ends: 165 [2025-03-09 02:07:33,829 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 02:07:33,830 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 13 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:33,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:07:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-03-09 02:07:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2025-03-09 02:07:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.5377358490566038) internal successors, (163), 135 states have internal predecessors, (163), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 209 transitions. [2025-03-09 02:07:33,839 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 209 transitions. Word has length 61 [2025-03-09 02:07:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:33,840 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 209 transitions. [2025-03-09 02:07:33,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2025-03-09 02:07:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-09 02:07:33,841 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:33,841 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:33,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:07:33,842 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:33,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:33,842 INFO L85 PathProgramCache]: Analyzing trace with hash -216944077, now seen corresponding path program 1 times [2025-03-09 02:07:33,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:33,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093660127] [2025-03-09 02:07:33,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:33,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:33,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:07:33,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:07:33,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:33,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-09 02:07:33,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:33,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093660127] [2025-03-09 02:07:33,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093660127] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:33,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408213174] [2025-03-09 02:07:33,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:33,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:33,946 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 02:07:33,948 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 02:07:33,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:07:33,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:07:33,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:33,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:33,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:07:33,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-09 02:07:34,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:34,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408213174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:34,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:34,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-03-09 02:07:34,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029213427] [2025-03-09 02:07:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:34,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:07:34,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:34,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:07:34,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:07:34,034 INFO L87 Difference]: Start difference. First operand 161 states and 209 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:34,122 INFO L93 Difference]: Finished difference Result 161 states and 209 transitions. [2025-03-09 02:07:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:07:34,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2025-03-09 02:07:34,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:34,124 INFO L225 Difference]: With dead ends: 161 [2025-03-09 02:07:34,124 INFO L226 Difference]: Without dead ends: 160 [2025-03-09 02:07:34,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:07:34,124 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:34,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 144 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-09 02:07:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-03-09 02:07:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 106 states have (on average 1.5) internal successors, (159), 134 states have internal predecessors, (159), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 205 transitions. [2025-03-09 02:07:34,132 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 205 transitions. Word has length 61 [2025-03-09 02:07:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:34,133 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 205 transitions. [2025-03-09 02:07:34,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2025-03-09 02:07:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 02:07:34,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:34,134 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:34,139 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 02:07:34,334 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,SelfDestructingSolverStorable10 [2025-03-09 02:07:34,334 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:34,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:34,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1864666703, now seen corresponding path program 1 times [2025-03-09 02:07:34,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:34,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62823847] [2025-03-09 02:07:34,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:34,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:34,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:07:34,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:07:34,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:34,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:34,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:34,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62823847] [2025-03-09 02:07:34,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62823847] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:34,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:34,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:07:34,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607324875] [2025-03-09 02:07:34,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:34,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:07:34,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:34,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:07:34,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:07:34,386 INFO L87 Difference]: Start difference. First operand 160 states and 205 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:34,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:34,474 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2025-03-09 02:07:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:07:34,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2025-03-09 02:07:34,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:34,476 INFO L225 Difference]: With dead ends: 160 [2025-03-09 02:07:34,476 INFO L226 Difference]: Without dead ends: 159 [2025-03-09 02:07:34,476 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 02:07:34,476 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 100 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:34,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 161 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-09 02:07:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-09 02:07:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 106 states have (on average 1.4811320754716981) internal successors, (157), 133 states have internal predecessors, (157), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-09 02:07:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 203 transitions. [2025-03-09 02:07:34,485 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 203 transitions. Word has length 62 [2025-03-09 02:07:34,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:34,486 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 203 transitions. [2025-03-09 02:07:34,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:07:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 203 transitions. [2025-03-09 02:07:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 02:07:34,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:34,487 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:34,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:07:34,488 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:34,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:34,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1864668208, now seen corresponding path program 1 times [2025-03-09 02:07:34,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:34,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990605622] [2025-03-09 02:07:34,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:34,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:34,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:07:34,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:07:34,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:34,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:34,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:34,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990605622] [2025-03-09 02:07:34,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990605622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:34,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:34,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:07:34,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605671552] [2025-03-09 02:07:34,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:34,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:07:34,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:34,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:07:34,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:07:34,573 INFO L87 Difference]: Start difference. First operand 159 states and 203 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:34,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:34,909 INFO L93 Difference]: Finished difference Result 209 states and 260 transitions. [2025-03-09 02:07:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:07:34,910 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2025-03-09 02:07:34,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:34,910 INFO L225 Difference]: With dead ends: 209 [2025-03-09 02:07:34,911 INFO L226 Difference]: Without dead ends: 208 [2025-03-09 02:07:34,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:34,911 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 255 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:34,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 241 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-03-09 02:07:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 186. [2025-03-09 02:07:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 128 states have (on average 1.46875) internal successors, (188), 155 states have internal predecessors, (188), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:07:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 244 transitions. [2025-03-09 02:07:34,921 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 244 transitions. Word has length 62 [2025-03-09 02:07:34,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:34,921 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 244 transitions. [2025-03-09 02:07:34,921 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 244 transitions. [2025-03-09 02:07:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-09 02:07:34,922 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:34,922 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:34,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 02:07:34,922 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:34,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:34,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1970092929, now seen corresponding path program 1 times [2025-03-09 02:07:34,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:34,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956145956] [2025-03-09 02:07:34,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:34,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-09 02:07:34,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-09 02:07:34,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:34,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:07:34,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956145956] [2025-03-09 02:07:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956145956] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:34,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:34,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:34,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496539883] [2025-03-09 02:07:34,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:34,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:34,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:34,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:34,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:34,964 INFO L87 Difference]: Start difference. First operand 186 states and 244 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:35,080 INFO L93 Difference]: Finished difference Result 207 states and 257 transitions. [2025-03-09 02:07:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:35,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2025-03-09 02:07:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:35,084 INFO L225 Difference]: With dead ends: 207 [2025-03-09 02:07:35,084 INFO L226 Difference]: Without dead ends: 205 [2025-03-09 02:07:35,085 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 02:07:35,085 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 40 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:35,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 168 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:35,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-03-09 02:07:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 190. [2025-03-09 02:07:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 132 states have (on average 1.4545454545454546) internal successors, (192), 159 states have internal predecessors, (192), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-09 02:07:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2025-03-09 02:07:35,094 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 63 [2025-03-09 02:07:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:35,094 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2025-03-09 02:07:35,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:07:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2025-03-09 02:07:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-09 02:07:35,094 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:35,094 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2025-03-09 02:07:35,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 02:07:35,095 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:35,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1670008712, now seen corresponding path program 1 times [2025-03-09 02:07:35,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:35,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183279210] [2025-03-09 02:07:35,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:35,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:35,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:07:35,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:07:35,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:35,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:35,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3285715] [2025-03-09 02:07:35,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:35,106 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 02:07:35,108 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 02:07:35,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:07:35,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:07:35,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:35,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:35,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:07:35,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:07:35,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:35,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183279210] [2025-03-09 02:07:35,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3285715] [2025-03-09 02:07:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3285715] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:35,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:35,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:07:35,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529838107] [2025-03-09 02:07:35,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:35,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:07:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:35,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:07:35,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:35,548 INFO L87 Difference]: Start difference. First operand 190 states and 248 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:35,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:35,989 INFO L93 Difference]: Finished difference Result 281 states and 361 transitions. [2025-03-09 02:07:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:07:35,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 72 [2025-03-09 02:07:35,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:35,990 INFO L225 Difference]: With dead ends: 281 [2025-03-09 02:07:35,991 INFO L226 Difference]: Without dead ends: 272 [2025-03-09 02:07:35,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:07:35,991 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 289 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:35,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 300 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2025-03-09 02:07:36,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 224. [2025-03-09 02:07:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 162 states have (on average 1.4320987654320987) internal successors, (232), 188 states have internal predecessors, (232), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-09 02:07:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 298 transitions. [2025-03-09 02:07:36,011 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 298 transitions. Word has length 72 [2025-03-09 02:07:36,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:36,011 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 298 transitions. [2025-03-09 02:07:36,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 298 transitions. [2025-03-09 02:07:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 02:07:36,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:36,012 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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 02:07:36,018 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 02:07:36,214 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,SelfDestructingSolverStorable14 [2025-03-09 02:07:36,214 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:36,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash -230662482, now seen corresponding path program 1 times [2025-03-09 02:07:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777740724] [2025-03-09 02:07:36,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:36,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:36,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 02:07:36,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 02:07:36,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:36,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:36,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12262783] [2025-03-09 02:07:36,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:36,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:36,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:36,235 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 02:07:36,236 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 02:07:36,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-09 02:07:36,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 02:07:36,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:36,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:36,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:07:36,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:07:36,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:36,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:36,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777740724] [2025-03-09 02:07:36,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:36,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12262783] [2025-03-09 02:07:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12262783] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:36,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:36,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:07:36,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928421416] [2025-03-09 02:07:36,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:36,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:07:36,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:36,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:07:36,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:36,770 INFO L87 Difference]: Start difference. First operand 224 states and 298 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:37,153 INFO L93 Difference]: Finished difference Result 308 states and 398 transitions. [2025-03-09 02:07:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:07:37,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 73 [2025-03-09 02:07:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:37,155 INFO L225 Difference]: With dead ends: 308 [2025-03-09 02:07:37,155 INFO L226 Difference]: Without dead ends: 305 [2025-03-09 02:07:37,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:07:37,156 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 245 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:37,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 311 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-03-09 02:07:37,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 277. [2025-03-09 02:07:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 231 states have internal predecessors, (291), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-03-09 02:07:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 377 transitions. [2025-03-09 02:07:37,175 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 377 transitions. Word has length 73 [2025-03-09 02:07:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:37,176 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 377 transitions. [2025-03-09 02:07:37,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 377 transitions. [2025-03-09 02:07:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-09 02:07:37,176 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:37,177 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:37,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-09 02:07:37,377 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,SelfDestructingSolverStorable15 [2025-03-09 02:07:37,378 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:37,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1439397686, now seen corresponding path program 1 times [2025-03-09 02:07:37,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:37,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871031350] [2025-03-09 02:07:37,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:37,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:07:37,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:07:37,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:37,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-09 02:07:37,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:37,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871031350] [2025-03-09 02:07:37,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871031350] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:37,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:37,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:07:37,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672135632] [2025-03-09 02:07:37,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:37,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:07:37,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:37,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:07:37,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:07:37,436 INFO L87 Difference]: Start difference. First operand 277 states and 377 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-09 02:07:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:37,770 INFO L93 Difference]: Finished difference Result 404 states and 553 transitions. [2025-03-09 02:07:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:07:37,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 74 [2025-03-09 02:07:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:37,772 INFO L225 Difference]: With dead ends: 404 [2025-03-09 02:07:37,772 INFO L226 Difference]: Without dead ends: 401 [2025-03-09 02:07:37,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:07:37,773 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 123 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:37,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 196 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:37,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-09 02:07:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 283. [2025-03-09 02:07:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 211 states have (on average 1.3838862559241707) internal successors, (292), 235 states have internal predecessors, (292), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:07:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2025-03-09 02:07:37,792 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 74 [2025-03-09 02:07:37,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:37,792 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2025-03-09 02:07:37,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-03-09 02:07:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2025-03-09 02:07:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-09 02:07:37,793 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:37,793 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:37,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 02:07:37,793 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:37,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:37,793 INFO L85 PathProgramCache]: Analyzing trace with hash 759483685, now seen corresponding path program 1 times [2025-03-09 02:07:37,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:37,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202581463] [2025-03-09 02:07:37,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:37,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:07:37,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:07:37,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:37,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:37,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778064307] [2025-03-09 02:07:37,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:37,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:37,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:37,807 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 02:07:37,809 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 02:07:37,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:07:37,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:07:37,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:37,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:37,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:07:37,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:07:38,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:38,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:38,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202581463] [2025-03-09 02:07:38,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:38,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778064307] [2025-03-09 02:07:38,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778064307] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:38,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:38,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:07:38,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376175175] [2025-03-09 02:07:38,085 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:38,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:07:38,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:38,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:07:38,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:38,085 INFO L87 Difference]: Start difference. First operand 283 states and 382 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:38,447 INFO L93 Difference]: Finished difference Result 323 states and 443 transitions. [2025-03-09 02:07:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:07:38,448 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 74 [2025-03-09 02:07:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:38,449 INFO L225 Difference]: With dead ends: 323 [2025-03-09 02:07:38,449 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:07:38,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:07:38,450 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 211 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:38,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 200 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:07:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 277. [2025-03-09 02:07:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 211 states have (on average 1.3127962085308056) internal successors, (277), 229 states have internal predecessors, (277), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:07:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2025-03-09 02:07:38,466 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 74 [2025-03-09 02:07:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:38,467 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2025-03-09 02:07:38,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2025-03-09 02:07:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-09 02:07:38,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:38,468 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-09 02:07:38,474 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 02:07:38,668 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,SelfDestructingSolverStorable17 [2025-03-09 02:07:38,668 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:38,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:38,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1671655340, now seen corresponding path program 1 times [2025-03-09 02:07:38,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:38,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168016960] [2025-03-09 02:07:38,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:38,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:07:38,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:07:38,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:38,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:38,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156171832] [2025-03-09 02:07:38,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:38,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:38,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:38,685 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 02:07:38,687 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 02:07:38,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:07:38,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:07:38,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:38,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:38,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:07:38,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:07:39,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:45,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:45,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168016960] [2025-03-09 02:07:45,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:45,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156171832] [2025-03-09 02:07:45,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156171832] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:45,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:45,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:07:45,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351345417] [2025-03-09 02:07:45,369 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:45,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:07:45,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:45,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:07:45,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=212, Unknown=1, NotChecked=0, Total=272 [2025-03-09 02:07:45,370 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:45,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:45,806 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2025-03-09 02:07:45,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:07:45,806 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2025-03-09 02:07:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:45,808 INFO L225 Difference]: With dead ends: 296 [2025-03-09 02:07:45,808 INFO L226 Difference]: Without dead ends: 289 [2025-03-09 02:07:45,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=113, Invalid=392, Unknown=1, NotChecked=0, Total=506 [2025-03-09 02:07:45,808 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 242 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:45,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 299 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:45,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-03-09 02:07:45,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 275. [2025-03-09 02:07:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 209 states have (on average 1.2966507177033493) internal successors, (271), 227 states have internal predecessors, (271), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:07:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 361 transitions. [2025-03-09 02:07:45,824 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 361 transitions. Word has length 75 [2025-03-09 02:07:45,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:45,824 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 361 transitions. [2025-03-09 02:07:45,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 361 transitions. [2025-03-09 02:07:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-09 02:07:45,825 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:45,825 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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 02:07:45,831 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 02:07:46,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:46,026 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:46,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2069157779, now seen corresponding path program 1 times [2025-03-09 02:07:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205411651] [2025-03-09 02:07:46,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:46,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:07:46,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:07:46,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:46,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:46,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583714935] [2025-03-09 02:07:46,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:46,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:46,041 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 02:07:46,042 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 02:07:46,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:07:46,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:07:46,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:46,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:46,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:07:46,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-09 02:07:46,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:46,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205411651] [2025-03-09 02:07:46,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583714935] [2025-03-09 02:07:46,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583714935] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:46,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:46,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:07:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003042079] [2025-03-09 02:07:46,374 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:46,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:07:46,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:46,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:07:46,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:07:46,375 INFO L87 Difference]: Start difference. First operand 275 states and 361 transitions. Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:46,822 INFO L93 Difference]: Finished difference Result 552 states and 762 transitions. [2025-03-09 02:07:46,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:07:46,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2025-03-09 02:07:46,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:46,824 INFO L225 Difference]: With dead ends: 552 [2025-03-09 02:07:46,825 INFO L226 Difference]: Without dead ends: 548 [2025-03-09 02:07:46,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:07:46,826 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 526 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:46,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 295 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:07:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-03-09 02:07:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 439. [2025-03-09 02:07:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 343 states have (on average 1.2973760932944607) internal successors, (445), 361 states have internal predecessors, (445), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-03-09 02:07:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 595 transitions. [2025-03-09 02:07:46,864 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 595 transitions. Word has length 75 [2025-03-09 02:07:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:46,865 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 595 transitions. [2025-03-09 02:07:46,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-09 02:07:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 595 transitions. [2025-03-09 02:07:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:07:46,865 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:46,865 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:46,872 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 02:07:47,066 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,SelfDestructingSolverStorable19 [2025-03-09 02:07:47,067 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:47,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:47,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1219534858, now seen corresponding path program 1 times [2025-03-09 02:07:47,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:47,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662570937] [2025-03-09 02:07:47,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:47,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:47,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:07:47,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:07:47,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:47,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:47,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:47,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662570937] [2025-03-09 02:07:47,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662570937] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:47,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444907341] [2025-03-09 02:07:47,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:47,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:47,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:47,125 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 02:07:47,125 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 02:07:47,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:07:47,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:07:47,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:47,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:47,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:07:47,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:47,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:47,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444907341] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:07:47,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:07:47,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-09 02:07:47,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572909058] [2025-03-09 02:07:47,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:47,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:07:47,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:47,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:07:47,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:07:47,298 INFO L87 Difference]: Start difference. First operand 439 states and 595 transitions. Second operand has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-03-09 02:07:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:47,785 INFO L93 Difference]: Finished difference Result 704 states and 959 transitions. [2025-03-09 02:07:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:07:47,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 96 [2025-03-09 02:07:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:47,788 INFO L225 Difference]: With dead ends: 704 [2025-03-09 02:07:47,788 INFO L226 Difference]: Without dead ends: 702 [2025-03-09 02:07:47,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:07:47,789 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 648 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:47,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 347 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:07:47,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2025-03-09 02:07:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 578. [2025-03-09 02:07:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 454 states have (on average 1.2885462555066078) internal successors, (585), 471 states have internal predecessors, (585), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-09 02:07:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 793 transitions. [2025-03-09 02:07:47,847 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 793 transitions. Word has length 96 [2025-03-09 02:07:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:47,847 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 793 transitions. [2025-03-09 02:07:47,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-03-09 02:07:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 793 transitions. [2025-03-09 02:07:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-09 02:07:47,848 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:47,848 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2025-03-09 02:07:47,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 02:07:48,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:48,049 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:48,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash 553073475, now seen corresponding path program 1 times [2025-03-09 02:07:48,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:48,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166232221] [2025-03-09 02:07:48,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:48,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:48,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-09 02:07:48,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-09 02:07:48,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:48,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:48,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166232221] [2025-03-09 02:07:48,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166232221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:48,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:48,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:07:48,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704404200] [2025-03-09 02:07:48,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:48,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:07:48,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:48,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:07:48,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:07:48,089 INFO L87 Difference]: Start difference. First operand 578 states and 793 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:07:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:48,150 INFO L93 Difference]: Finished difference Result 578 states and 793 transitions. [2025-03-09 02:07:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:07:48,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 98 [2025-03-09 02:07:48,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:48,152 INFO L225 Difference]: With dead ends: 578 [2025-03-09 02:07:48,153 INFO L226 Difference]: Without dead ends: 577 [2025-03-09 02:07:48,153 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 02:07:48,154 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:48,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:07:48,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-09 02:07:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-03-09 02:07:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 454 states have (on average 1.2797356828193833) internal successors, (581), 470 states have internal predecessors, (581), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-09 02:07:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 789 transitions. [2025-03-09 02:07:48,196 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 789 transitions. Word has length 98 [2025-03-09 02:07:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:48,197 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 789 transitions. [2025-03-09 02:07:48,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:07:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 789 transitions. [2025-03-09 02:07:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 02:07:48,197 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:48,198 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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 02:07:48,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-09 02:07:48,198 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:48,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1072335679, now seen corresponding path program 1 times [2025-03-09 02:07:48,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:48,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155950216] [2025-03-09 02:07:48,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:48,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:07:48,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:07:48,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:48,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:48,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:48,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155950216] [2025-03-09 02:07:48,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155950216] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:48,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657663708] [2025-03-09 02:07:48,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:48,274 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 02:07:48,276 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 02:07:48,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:07:48,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:07:48,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:48,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:48,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:07:48,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:48,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:07:48,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657663708] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:48,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:48,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-03-09 02:07:48,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265477856] [2025-03-09 02:07:48,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:48,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:07:48,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:48,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:07:48,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:07:48,430 INFO L87 Difference]: Start difference. First operand 577 states and 789 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:07:48,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:48,568 INFO L93 Difference]: Finished difference Result 594 states and 820 transitions. [2025-03-09 02:07:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:07:48,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 100 [2025-03-09 02:07:48,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:48,571 INFO L225 Difference]: With dead ends: 594 [2025-03-09 02:07:48,572 INFO L226 Difference]: Without dead ends: 593 [2025-03-09 02:07:48,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:07:48,573 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 41 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:48,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 134 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:07:48,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-03-09 02:07:48,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 576. [2025-03-09 02:07:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 454 states have (on average 1.2709251101321586) internal successors, (577), 469 states have internal predecessors, (577), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-09 02:07:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 785 transitions. [2025-03-09 02:07:48,611 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 785 transitions. Word has length 100 [2025-03-09 02:07:48,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:48,611 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 785 transitions. [2025-03-09 02:07:48,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:07:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 785 transitions. [2025-03-09 02:07:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:07:48,612 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:48,612 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2025-03-09 02:07:48,617 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 02:07:48,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:48,812 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:48,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:48,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1117332301, now seen corresponding path program 1 times [2025-03-09 02:07:48,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:48,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762225131] [2025-03-09 02:07:48,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:48,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:48,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:07:48,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:07:48,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:48,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:48,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:48,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762225131] [2025-03-09 02:07:48,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762225131] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:48,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103616248] [2025-03-09 02:07:48,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:48,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:48,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:48,888 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 02:07:48,890 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 02:07:48,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:07:48,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:07:48,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:48,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:48,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:07:48,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:49,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-09 02:07:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103616248] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:07:49,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:07:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-09 02:07:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848710829] [2025-03-09 02:07:49,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:49,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:07:49,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:49,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:07:49,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:07:49,142 INFO L87 Difference]: Start difference. First operand 576 states and 785 transitions. Second operand has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-03-09 02:07:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:49,525 INFO L93 Difference]: Finished difference Result 844 states and 1165 transitions. [2025-03-09 02:07:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:07:49,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 101 [2025-03-09 02:07:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:49,528 INFO L225 Difference]: With dead ends: 844 [2025-03-09 02:07:49,528 INFO L226 Difference]: Without dead ends: 842 [2025-03-09 02:07:49,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:07:49,529 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 212 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:49,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 310 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:07:49,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-03-09 02:07:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 713. [2025-03-09 02:07:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 569 states have (on average 1.2706502636203867) internal successors, (723), 584 states have internal predecessors, (723), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2025-03-09 02:07:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 975 transitions. [2025-03-09 02:07:49,571 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 975 transitions. Word has length 101 [2025-03-09 02:07:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:49,572 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 975 transitions. [2025-03-09 02:07:49,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.3) internal successors, (123), 11 states have internal predecessors, (123), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-03-09 02:07:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 975 transitions. [2025-03-09 02:07:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-09 02:07:49,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:49,572 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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] [2025-03-09 02:07:49,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-09 02:07:49,773 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,SelfDestructingSolverStorable23 [2025-03-09 02:07:49,773 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:49,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:49,773 INFO L85 PathProgramCache]: Analyzing trace with hash 995745592, now seen corresponding path program 1 times [2025-03-09 02:07:49,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:49,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735127675] [2025-03-09 02:07:49,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:49,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:49,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-09 02:07:49,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-09 02:07:49,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:49,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311795132] [2025-03-09 02:07:49,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:49,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:49,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:49,790 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 02:07:49,792 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 02:07:49,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-09 02:07:49,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-09 02:07:49,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:49,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:49,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:07:49,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-09 02:07:50,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:50,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:50,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735127675] [2025-03-09 02:07:50,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:50,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311795132] [2025-03-09 02:07:50,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311795132] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:50,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:50,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:07:50,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527519213] [2025-03-09 02:07:50,389 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:50,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:07:50,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:50,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:07:50,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:07:50,390 INFO L87 Difference]: Start difference. First operand 713 states and 975 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 02:07:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:50,989 INFO L93 Difference]: Finished difference Result 793 states and 1081 transitions. [2025-03-09 02:07:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:07:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 109 [2025-03-09 02:07:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:50,992 INFO L225 Difference]: With dead ends: 793 [2025-03-09 02:07:50,992 INFO L226 Difference]: Without dead ends: 790 [2025-03-09 02:07:50,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:07:50,993 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 192 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:50,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 366 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:07:50,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-03-09 02:07:51,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 775. [2025-03-09 02:07:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 619 states have (on average 1.2697899838449112) internal successors, (786), 634 states have internal predecessors, (786), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2025-03-09 02:07:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1062 transitions. [2025-03-09 02:07:51,053 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1062 transitions. Word has length 109 [2025-03-09 02:07:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:51,054 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1062 transitions. [2025-03-09 02:07:51,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 02:07:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1062 transitions. [2025-03-09 02:07:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-09 02:07:51,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:51,055 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 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 02:07:51,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-09 02:07:51,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:51,256 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:51,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 803342318, now seen corresponding path program 1 times [2025-03-09 02:07:51,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:51,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282342602] [2025-03-09 02:07:51,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:51,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 02:07:51,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:07:51,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:51,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466467] [2025-03-09 02:07:51,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:51,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:51,273 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 02:07:51,275 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 02:07:51,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 02:07:51,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:07:51,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:51,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:51,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:07:51,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-09 02:07:51,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:51,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:51,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282342602] [2025-03-09 02:07:51,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:51,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466467] [2025-03-09 02:07:51,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466467] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:51,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:51,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:07:51,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68323352] [2025-03-09 02:07:51,941 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:51,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:07:51,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:51,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:07:51,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:07:51,943 INFO L87 Difference]: Start difference. First operand 775 states and 1062 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 02:07:52,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:52,485 INFO L93 Difference]: Finished difference Result 797 states and 1079 transitions. [2025-03-09 02:07:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:07:52,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 110 [2025-03-09 02:07:52,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:52,488 INFO L225 Difference]: With dead ends: 797 [2025-03-09 02:07:52,488 INFO L226 Difference]: Without dead ends: 794 [2025-03-09 02:07:52,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2025-03-09 02:07:52,489 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 233 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:52,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 335 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:07:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2025-03-09 02:07:52,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 777. [2025-03-09 02:07:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 621 states have (on average 1.2592592592592593) internal successors, (782), 636 states have internal predecessors, (782), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2025-03-09 02:07:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1058 transitions. [2025-03-09 02:07:52,535 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1058 transitions. Word has length 110 [2025-03-09 02:07:52,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:52,535 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1058 transitions. [2025-03-09 02:07:52,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 02:07:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1058 transitions. [2025-03-09 02:07:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-09 02:07:52,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:52,537 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2025-03-09 02:07:52,543 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 02:07:52,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:52,741 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:52,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash -866191882, now seen corresponding path program 1 times [2025-03-09 02:07:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:52,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652420818] [2025-03-09 02:07:52,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:52,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:52,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-09 02:07:52,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-09 02:07:52,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:52,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-03-09 02:07:52,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:52,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652420818] [2025-03-09 02:07:52,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652420818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:07:52,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:07:52,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:07:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921696077] [2025-03-09 02:07:52,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:07:52,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:07:52,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:52,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:07:52,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:07:52,807 INFO L87 Difference]: Start difference. First operand 777 states and 1058 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-03-09 02:07:53,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:07:53,078 INFO L93 Difference]: Finished difference Result 780 states and 1058 transitions. [2025-03-09 02:07:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:07:53,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2025-03-09 02:07:53,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:07:53,081 INFO L225 Difference]: With dead ends: 780 [2025-03-09 02:07:53,082 INFO L226 Difference]: Without dead ends: 779 [2025-03-09 02:07:53,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:07:53,082 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 81 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:07:53,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 197 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:07:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-03-09 02:07:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 740. [2025-03-09 02:07:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 589 states have (on average 1.2495755517826825) internal successors, (736), 603 states have internal predecessors, (736), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-03-09 02:07:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1004 transitions. [2025-03-09 02:07:53,128 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1004 transitions. Word has length 111 [2025-03-09 02:07:53,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:07:53,128 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1004 transitions. [2025-03-09 02:07:53,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-03-09 02:07:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1004 transitions. [2025-03-09 02:07:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-09 02:07:53,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:07:53,129 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1] [2025-03-09 02:07:53,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 02:07:53,129 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:07:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:07:53,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1082144532, now seen corresponding path program 1 times [2025-03-09 02:07:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:07:53,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553803397] [2025-03-09 02:07:53,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:07:53,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-09 02:07:53,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:07:53,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:53,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:07:53,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037366114] [2025-03-09 02:07:53,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:07:53,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:07:53,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:07:53,147 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 02:07:53,149 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 02:07:53,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-09 02:07:53,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:07:53,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:07:53,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:07:53,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:07:53,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:07:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-09 02:07:53,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:02,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:02,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553803397] [2025-03-09 02:08:02,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:02,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037366114] [2025-03-09 02:08:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037366114] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:02,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:02,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:08:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314201841] [2025-03-09 02:08:02,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:02,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:08:02,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:02,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:08:02,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=221, Unknown=2, NotChecked=0, Total=272 [2025-03-09 02:08:02,035 INFO L87 Difference]: Start difference. First operand 740 states and 1004 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:08:02,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:02,538 INFO L93 Difference]: Finished difference Result 754 states and 1010 transitions. [2025-03-09 02:08:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:08:02,538 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 112 [2025-03-09 02:08:02,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:02,541 INFO L225 Difference]: With dead ends: 754 [2025-03-09 02:08:02,541 INFO L226 Difference]: Without dead ends: 747 [2025-03-09 02:08:02,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=94, Invalid=410, Unknown=2, NotChecked=0, Total=506 [2025-03-09 02:08:02,543 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 167 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:02,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 368 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:08:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-03-09 02:08:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 738. [2025-03-09 02:08:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 587 states have (on average 1.2385008517887564) internal successors, (727), 601 states have internal predecessors, (727), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-03-09 02:08:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 995 transitions. [2025-03-09 02:08:02,587 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 995 transitions. Word has length 112 [2025-03-09 02:08:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:02,587 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 995 transitions. [2025-03-09 02:08:02,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:08:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 995 transitions. [2025-03-09 02:08:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-09 02:08:02,589 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:02,589 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:08:02,595 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 02:08:02,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:02,790 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:02,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash -684642093, now seen corresponding path program 2 times [2025-03-09 02:08:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670826268] [2025-03-09 02:08:02,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:02,795 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-09 02:08:02,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:08:02,804 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:02,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:02,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787623713] [2025-03-09 02:08:02,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:02,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:02,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:02,807 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 02:08:02,809 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 02:08:02,831 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-09 02:08:02,882 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-03-09 02:08:02,882 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:02,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:02,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:08:02,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-09 02:08:03,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:03,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:03,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670826268] [2025-03-09 02:08:03,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:03,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787623713] [2025-03-09 02:08:03,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787623713] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:03,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:03,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-09 02:08:03,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539409385] [2025-03-09 02:08:03,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:03,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 02:08:03,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:03,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 02:08:03,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:08:03,262 INFO L87 Difference]: Start difference. First operand 738 states and 995 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:08:03,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:03,836 INFO L93 Difference]: Finished difference Result 1053 states and 1445 transitions. [2025-03-09 02:08:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:08:03,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 112 [2025-03-09 02:08:03,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:03,840 INFO L225 Difference]: With dead ends: 1053 [2025-03-09 02:08:03,840 INFO L226 Difference]: Without dead ends: 1049 [2025-03-09 02:08:03,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:08:03,842 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 587 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:03,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 347 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:08:03,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2025-03-09 02:08:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 886. [2025-03-09 02:08:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 707 states have (on average 1.2263083451202264) internal successors, (867), 721 states have internal predecessors, (867), 162 states have call successors, (162), 2 states have call predecessors, (162), 2 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2025-03-09 02:08:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1191 transitions. [2025-03-09 02:08:03,902 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1191 transitions. Word has length 112 [2025-03-09 02:08:03,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:03,902 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1191 transitions. [2025-03-09 02:08:03,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:08:03,903 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1191 transitions. [2025-03-09 02:08:03,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 02:08:03,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:03,903 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2025-03-09 02:08:03,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-09 02:08:04,107 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,SelfDestructingSolverStorable28 [2025-03-09 02:08:04,107 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:04,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1486194034, now seen corresponding path program 2 times [2025-03-09 02:08:04,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:04,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823803895] [2025-03-09 02:08:04,108 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:04,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-03-09 02:08:04,116 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 02:08:04,116 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:04,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-03-09 02:08:04,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823803895] [2025-03-09 02:08:04,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823803895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:08:04,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:08:04,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:08:04,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155813775] [2025-03-09 02:08:04,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:08:04,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:08:04,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:04,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:08:04,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:08:04,153 INFO L87 Difference]: Start difference. First operand 886 states and 1191 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-09 02:08:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:04,519 INFO L93 Difference]: Finished difference Result 1196 states and 1620 transitions. [2025-03-09 02:08:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:08:04,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 118 [2025-03-09 02:08:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:04,522 INFO L225 Difference]: With dead ends: 1196 [2025-03-09 02:08:04,522 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 02:08:04,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:08:04,523 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 28 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:04,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 147 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:08:04,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 02:08:04,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 543. [2025-03-09 02:08:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 428 states have (on average 1.2313084112149533) internal successors, (527), 442 states have internal predecessors, (527), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-03-09 02:08:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 723 transitions. [2025-03-09 02:08:04,557 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 723 transitions. Word has length 118 [2025-03-09 02:08:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:04,557 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 723 transitions. [2025-03-09 02:08:04,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-09 02:08:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 723 transitions. [2025-03-09 02:08:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-09 02:08:04,558 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:04,558 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 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 02:08:04,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-09 02:08:04,558 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:04,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1324357512, now seen corresponding path program 2 times [2025-03-09 02:08:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947337611] [2025-03-09 02:08:04,559 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:04,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:04,563 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-03-09 02:08:04,571 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 146 of 146 statements. [2025-03-09 02:08:04,571 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:04,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:04,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715264013] [2025-03-09 02:08:04,572 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:04,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:04,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:04,574 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 02:08:04,575 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 02:08:04,595 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-03-09 02:08:04,616 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 146 of 146 statements. [2025-03-09 02:08:04,616 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:04,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:04,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:08:04,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-03-09 02:08:05,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:05,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:05,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947337611] [2025-03-09 02:08:05,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:05,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715264013] [2025-03-09 02:08:05,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715264013] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:05,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:05,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:08:05,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153132780] [2025-03-09 02:08:05,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:05,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:08:05,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:05,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:08:05,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:08:05,148 INFO L87 Difference]: Start difference. First operand 543 states and 723 transitions. Second operand has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 14 states have internal predecessors, (70), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-03-09 02:08:05,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:05,794 INFO L93 Difference]: Finished difference Result 627 states and 833 transitions. [2025-03-09 02:08:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 02:08:05,794 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 14 states have internal predecessors, (70), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 146 [2025-03-09 02:08:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:05,796 INFO L225 Difference]: With dead ends: 627 [2025-03-09 02:08:05,796 INFO L226 Difference]: Without dead ends: 624 [2025-03-09 02:08:05,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2025-03-09 02:08:05,797 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 216 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:05,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 438 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:08:05,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-03-09 02:08:05,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 606. [2025-03-09 02:08:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 479 states have (on average 1.2338204592901878) internal successors, (591), 493 states have internal predecessors, (591), 110 states have call successors, (110), 2 states have call predecessors, (110), 2 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2025-03-09 02:08:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 811 transitions. [2025-03-09 02:08:05,848 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 811 transitions. Word has length 146 [2025-03-09 02:08:05,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:05,848 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 811 transitions. [2025-03-09 02:08:05,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 14 states have internal predecessors, (70), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-03-09 02:08:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 811 transitions. [2025-03-09 02:08:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-09 02:08:05,850 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:05,850 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 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 02:08:05,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-09 02:08:06,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:06,051 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:06,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:06,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1894590126, now seen corresponding path program 2 times [2025-03-09 02:08:06,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:06,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517369818] [2025-03-09 02:08:06,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:06,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:06,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-03-09 02:08:06,072 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-03-09 02:08:06,072 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:06,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:06,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614373712] [2025-03-09 02:08:06,073 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:06,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:06,076 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 02:08:06,078 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 02:08:06,099 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-03-09 02:08:06,129 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-03-09 02:08:06,129 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:06,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:06,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:08:06,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-03-09 02:08:06,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:06,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517369818] [2025-03-09 02:08:06,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614373712] [2025-03-09 02:08:06,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614373712] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:06,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:06,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-09 02:08:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927727977] [2025-03-09 02:08:06,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:06,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:08:06,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:06,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:08:06,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:08:06,881 INFO L87 Difference]: Start difference. First operand 606 states and 811 transitions. Second operand has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2025-03-09 02:08:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:07,428 INFO L93 Difference]: Finished difference Result 623 states and 825 transitions. [2025-03-09 02:08:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:08:07,430 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) Word has length 147 [2025-03-09 02:08:07,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:07,432 INFO L225 Difference]: With dead ends: 623 [2025-03-09 02:08:07,432 INFO L226 Difference]: Without dead ends: 620 [2025-03-09 02:08:07,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:08:07,433 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 127 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:07,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 336 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:08:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2025-03-09 02:08:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 607. [2025-03-09 02:08:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 480 states have (on average 1.2208333333333334) internal successors, (586), 494 states have internal predecessors, (586), 110 states have call successors, (110), 2 states have call predecessors, (110), 2 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2025-03-09 02:08:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 806 transitions. [2025-03-09 02:08:07,485 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 806 transitions. Word has length 147 [2025-03-09 02:08:07,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:07,486 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 806 transitions. [2025-03-09 02:08:07,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2025-03-09 02:08:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 806 transitions. [2025-03-09 02:08:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-09 02:08:07,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:07,487 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:08:07,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-09 02:08:07,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:07,688 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:07,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -365021268, now seen corresponding path program 2 times [2025-03-09 02:08:07,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:07,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578586126] [2025-03-09 02:08:07,688 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:07,693 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 149 statements into 2 equivalence classes. [2025-03-09 02:08:07,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 149 of 149 statements. [2025-03-09 02:08:07,705 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:07,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:07,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859036788] [2025-03-09 02:08:07,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:07,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:07,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:07,711 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 02:08:07,713 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 02:08:07,737 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 149 statements into 2 equivalence classes. [2025-03-09 02:08:07,765 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 149 of 149 statements. [2025-03-09 02:08:07,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:07,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:07,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 02:08:07,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-03-09 02:08:08,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:08,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:08,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578586126] [2025-03-09 02:08:08,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:08,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859036788] [2025-03-09 02:08:08,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859036788] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:08,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:08,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-09 02:08:08,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83420360] [2025-03-09 02:08:08,969 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:08,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:08:08,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:08,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:08:08,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:08:08,970 INFO L87 Difference]: Start difference. First operand 607 states and 806 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2025-03-09 02:08:09,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:09,704 INFO L93 Difference]: Finished difference Result 621 states and 812 transitions. [2025-03-09 02:08:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-09 02:08:09,704 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 149 [2025-03-09 02:08:09,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:09,706 INFO L225 Difference]: With dead ends: 621 [2025-03-09 02:08:09,706 INFO L226 Difference]: Without dead ends: 614 [2025-03-09 02:08:09,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2025-03-09 02:08:09,707 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 194 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:09,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 527 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:08:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2025-03-09 02:08:09,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 571. [2025-03-09 02:08:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 451 states have (on average 1.206208425720621) internal successors, (544), 465 states have internal predecessors, (544), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2025-03-09 02:08:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 750 transitions. [2025-03-09 02:08:09,749 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 750 transitions. Word has length 149 [2025-03-09 02:08:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:09,749 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 750 transitions. [2025-03-09 02:08:09,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2025-03-09 02:08:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 750 transitions. [2025-03-09 02:08:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-09 02:08:09,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:09,750 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 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 02:08:09,761 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 02:08:09,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:09,951 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:09,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 32481171, now seen corresponding path program 3 times [2025-03-09 02:08:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:09,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211325155] [2025-03-09 02:08:09,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:09,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:09,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 149 statements into 13 equivalence classes. [2025-03-09 02:08:09,966 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 123 of 149 statements. [2025-03-09 02:08:09,967 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-03-09 02:08:09,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2025-03-09 02:08:10,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:10,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211325155] [2025-03-09 02:08:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211325155] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:10,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898157438] [2025-03-09 02:08:10,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:10,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:10,241 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 02:08:10,242 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 02:08:10,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 149 statements into 13 equivalence classes. [2025-03-09 02:08:10,307 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 38 of 149 statements. [2025-03-09 02:08:10,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 02:08:10,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:10,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:08:10,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2025-03-09 02:08:10,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898157438] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:10,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:08:10,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 20 [2025-03-09 02:08:10,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598154321] [2025-03-09 02:08:10,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:10,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:08:10,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:10,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:08:10,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:08:10,722 INFO L87 Difference]: Start difference. First operand 571 states and 750 transitions. Second operand has 20 states, 20 states have (on average 5.6) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (27), 1 states have call predecessors, (27), 3 states have return successors, (27), 11 states have call predecessors, (27), 10 states have call successors, (27) [2025-03-09 02:08:12,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:12,323 INFO L93 Difference]: Finished difference Result 715 states and 940 transitions. [2025-03-09 02:08:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 02:08:12,324 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (27), 1 states have call predecessors, (27), 3 states have return successors, (27), 11 states have call predecessors, (27), 10 states have call successors, (27) Word has length 149 [2025-03-09 02:08:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:12,326 INFO L225 Difference]: With dead ends: 715 [2025-03-09 02:08:12,326 INFO L226 Difference]: Without dead ends: 479 [2025-03-09 02:08:12,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=871, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:08:12,327 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 466 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:12,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 295 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-09 02:08:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2025-03-09 02:08:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 242. [2025-03-09 02:08:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 188 states have (on average 1.1329787234042554) internal successors, (213), 197 states have internal predecessors, (213), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:08:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 297 transitions. [2025-03-09 02:08:12,355 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 297 transitions. Word has length 149 [2025-03-09 02:08:12,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:12,355 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 297 transitions. [2025-03-09 02:08:12,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 18 states have internal predecessors, (112), 10 states have call successors, (27), 1 states have call predecessors, (27), 3 states have return successors, (27), 11 states have call predecessors, (27), 10 states have call successors, (27) [2025-03-09 02:08:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 297 transitions. [2025-03-09 02:08:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-09 02:08:12,356 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:12,356 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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] [2025-03-09 02:08:12,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-09 02:08:12,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:12,557 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:12,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash -429825576, now seen corresponding path program 3 times [2025-03-09 02:08:12,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:12,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373920923] [2025-03-09 02:08:12,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:12,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:12,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 11 equivalence classes. [2025-03-09 02:08:12,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 154 of 154 statements. [2025-03-09 02:08:12,588 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 02:08:12,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:12,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137976950] [2025-03-09 02:08:12,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:12,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:12,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:12,592 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 02:08:12,593 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 02:08:12,614 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 11 equivalence classes. [2025-03-09 02:08:12,627 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 60 of 154 statements. [2025-03-09 02:08:12,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:08:12,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:12,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:08:12,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 79 proven. 44 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-03-09 02:08:12,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:12,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:12,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373920923] [2025-03-09 02:08:12,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:12,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137976950] [2025-03-09 02:08:12,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137976950] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:12,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:12,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:08:12,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254243928] [2025-03-09 02:08:12,978 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:12,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:08:12,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:12,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:08:12,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:08:12,979 INFO L87 Difference]: Start difference. First operand 242 states and 297 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-09 02:08:13,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:13,684 INFO L93 Difference]: Finished difference Result 244 states and 299 transitions. [2025-03-09 02:08:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:08:13,684 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 154 [2025-03-09 02:08:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:13,685 INFO L225 Difference]: With dead ends: 244 [2025-03-09 02:08:13,685 INFO L226 Difference]: Without dead ends: 241 [2025-03-09 02:08:13,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:08:13,686 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 107 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:13,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 331 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:08:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-09 02:08:13,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2025-03-09 02:08:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 188 states have (on average 1.101063829787234) internal successors, (207), 194 states have internal predecessors, (207), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:08:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2025-03-09 02:08:13,715 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 154 [2025-03-09 02:08:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:13,715 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2025-03-09 02:08:13,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2025-03-09 02:08:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2025-03-09 02:08:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-09 02:08:13,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:13,716 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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] [2025-03-09 02:08:13,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-09 02:08:13,920 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,SelfDestructingSolverStorable34 [2025-03-09 02:08:13,920 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:13,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash -439690930, now seen corresponding path program 3 times [2025-03-09 02:08:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:13,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753339219] [2025-03-09 02:08:13,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:13,924 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 155 statements into 11 equivalence classes. [2025-03-09 02:08:13,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 155 of 155 statements. [2025-03-09 02:08:13,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 02:08:13,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:08:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665330805] [2025-03-09 02:08:13,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:13,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:13,944 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 02:08:13,946 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 02:08:13,967 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 155 statements into 11 equivalence classes. [2025-03-09 02:08:13,990 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 75 of 155 statements. [2025-03-09 02:08:13,990 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-09 02:08:13,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:13,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:08:13,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 99 proven. 62 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-03-09 02:08:14,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:18,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753339219] [2025-03-09 02:08:18,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:08:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665330805] [2025-03-09 02:08:18,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665330805] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:18,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:08:18,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-09 02:08:18,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306176747] [2025-03-09 02:08:18,930 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:18,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:08:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:18,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:08:18,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=345, Unknown=1, NotChecked=0, Total=420 [2025-03-09 02:08:18,931 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:08:22,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-03-09 02:08:23,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:23,638 INFO L93 Difference]: Finished difference Result 239 states and 291 transitions. [2025-03-09 02:08:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-09 02:08:23,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) Word has length 155 [2025-03-09 02:08:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:23,640 INFO L225 Difference]: With dead ends: 239 [2025-03-09 02:08:23,640 INFO L226 Difference]: Without dead ends: 228 [2025-03-09 02:08:23,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=238, Invalid=883, Unknown=1, NotChecked=0, Total=1122 [2025-03-09 02:08:23,641 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 182 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:23,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 225 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-03-09 02:08:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-03-09 02:08:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 212. [2025-03-09 02:08:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 169 states have (on average 1.047337278106509) internal successors, (177), 170 states have internal predecessors, (177), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-09 02:08:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 255 transitions. [2025-03-09 02:08:23,687 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 255 transitions. Word has length 155 [2025-03-09 02:08:23,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:23,688 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 255 transitions. [2025-03-09 02:08:23,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2025-03-09 02:08:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2025-03-09 02:08:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-09 02:08:23,689 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:23,689 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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 02:08:23,703 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 02:08:23,894 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,SelfDestructingSolverStorable35 [2025-03-09 02:08:23,894 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:23,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:23,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1636187572, now seen corresponding path program 3 times [2025-03-09 02:08:23,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:23,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617526225] [2025-03-09 02:08:23,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:23,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:23,900 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 11 equivalence classes. [2025-03-09 02:08:23,905 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 63 of 157 statements. [2025-03-09 02:08:23,905 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:08:23,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2025-03-09 02:08:24,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:24,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617526225] [2025-03-09 02:08:24,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617526225] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:24,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304084207] [2025-03-09 02:08:24,025 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:24,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:24,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:24,027 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 02:08:24,028 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 02:08:24,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 11 equivalence classes. [2025-03-09 02:08:24,065 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 63 of 157 statements. [2025-03-09 02:08:24,065 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:08:24,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:24,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:08:24,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2025-03-09 02:08:24,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2025-03-09 02:08:24,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304084207] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:08:24,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:08:24,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2025-03-09 02:08:24,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105685612] [2025-03-09 02:08:24,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:24,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-09 02:08:24,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:24,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-09 02:08:24,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:08:24,520 INFO L87 Difference]: Start difference. First operand 212 states and 255 transitions. Second operand has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 8 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (27), 7 states have call predecessors, (27), 8 states have call successors, (27) [2025-03-09 02:08:25,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:25,013 INFO L93 Difference]: Finished difference Result 237 states and 285 transitions. [2025-03-09 02:08:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:08:25,014 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 8 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (27), 7 states have call predecessors, (27), 8 states have call successors, (27) Word has length 157 [2025-03-09 02:08:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:25,015 INFO L225 Difference]: With dead ends: 237 [2025-03-09 02:08:25,015 INFO L226 Difference]: Without dead ends: 225 [2025-03-09 02:08:25,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 302 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2025-03-09 02:08:25,016 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 135 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:25,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 525 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:08:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-03-09 02:08:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 200. [2025-03-09 02:08:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 159 states have (on average 1.0314465408805031) internal successors, (164), 159 states have internal predecessors, (164), 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 02:08:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 240 transitions. [2025-03-09 02:08:25,038 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 240 transitions. Word has length 157 [2025-03-09 02:08:25,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:25,038 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 240 transitions. [2025-03-09 02:08:25,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 8 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (27), 7 states have call predecessors, (27), 8 states have call successors, (27) [2025-03-09 02:08:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 240 transitions. [2025-03-09 02:08:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-03-09 02:08:25,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:25,039 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2025-03-09 02:08:25,046 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 02:08:25,244 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,SelfDestructingSolverStorable36 [2025-03-09 02:08:25,244 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:25,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1730787859, now seen corresponding path program 1 times [2025-03-09 02:08:25,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:25,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466664101] [2025-03-09 02:08:25,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:08:25,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:25,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-09 02:08:25,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-09 02:08:25,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:08:25,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2025-03-09 02:08:25,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:25,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466664101] [2025-03-09 02:08:25,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466664101] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:25,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883296071] [2025-03-09 02:08:25,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:08:25,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:25,409 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 02:08:25,410 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 02:08:25,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-03-09 02:08:25,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-03-09 02:08:25,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:08:25,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:25,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:08:25,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 551 proven. 36 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2025-03-09 02:08:25,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2025-03-09 02:08:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883296071] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:08:25,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:08:25,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2025-03-09 02:08:25,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28159620] [2025-03-09 02:08:25,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:25,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-09 02:08:25,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:25,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-09 02:08:25,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:08:25,729 INFO L87 Difference]: Start difference. First operand 200 states and 240 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2025-03-09 02:08:26,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:26,167 INFO L93 Difference]: Finished difference Result 358 states and 426 transitions. [2025-03-09 02:08:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-09 02:08:26,168 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 220 [2025-03-09 02:08:26,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:26,169 INFO L225 Difference]: With dead ends: 358 [2025-03-09 02:08:26,169 INFO L226 Difference]: Without dead ends: 232 [2025-03-09 02:08:26,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 431 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2025-03-09 02:08:26,170 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 159 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:26,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 420 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:08:26,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-09 02:08:26,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 225. [2025-03-09 02:08:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 179 states have (on average 1.0279329608938548) internal successors, (184), 179 states have internal predecessors, (184), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-03-09 02:08:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 270 transitions. [2025-03-09 02:08:26,203 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 270 transitions. Word has length 220 [2025-03-09 02:08:26,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:26,203 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 270 transitions. [2025-03-09 02:08:26,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2025-03-09 02:08:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 270 transitions. [2025-03-09 02:08:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2025-03-09 02:08:26,204 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:26,204 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-09 02:08:26,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:08:26,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:26,405 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:26,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash 954438829, now seen corresponding path program 2 times [2025-03-09 02:08:26,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:26,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150032366] [2025-03-09 02:08:26,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:26,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 257 statements into 2 equivalence classes. [2025-03-09 02:08:26,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 257 of 257 statements. [2025-03-09 02:08:26,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:26,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2025-03-09 02:08:26,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:26,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150032366] [2025-03-09 02:08:26,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150032366] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:26,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199112869] [2025-03-09 02:08:26,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:08:26,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:26,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:26,572 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 02:08:26,573 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 02:08:26,597 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 257 statements into 2 equivalence classes. [2025-03-09 02:08:26,638 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 257 of 257 statements. [2025-03-09 02:08:26,639 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:08:26,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:26,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:08:26,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 452 proven. 147 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2025-03-09 02:08:26,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 100 proven. 147 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2025-03-09 02:08:26,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199112869] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:08:26,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:08:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2025-03-09 02:08:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712452976] [2025-03-09 02:08:26,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:26,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 02:08:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:26,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 02:08:26,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:08:26,989 INFO L87 Difference]: Start difference. First operand 225 states and 270 transitions. Second operand has 19 states, 19 states have (on average 12.789473684210526) internal successors, (243), 19 states have internal predecessors, (243), 17 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 17 states have call predecessors, (62), 17 states have call successors, (62) [2025-03-09 02:08:27,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:27,529 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2025-03-09 02:08:27,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:08:27,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 12.789473684210526) internal successors, (243), 19 states have internal predecessors, (243), 17 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 17 states have call predecessors, (62), 17 states have call successors, (62) Word has length 257 [2025-03-09 02:08:27,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:27,531 INFO L225 Difference]: With dead ends: 255 [2025-03-09 02:08:27,531 INFO L226 Difference]: Without dead ends: 154 [2025-03-09 02:08:27,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 501 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 02:08:27,532 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 174 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:27,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 469 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:08:27,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-03-09 02:08:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2025-03-09 02:08:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 121 states have (on average 1.0) internal successors, (121), 121 states have internal predecessors, (121), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-09 02:08:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2025-03-09 02:08:27,550 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 257 [2025-03-09 02:08:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:27,551 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2025-03-09 02:08:27,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.789473684210526) internal successors, (243), 19 states have internal predecessors, (243), 17 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 17 states have call predecessors, (62), 17 states have call successors, (62) [2025-03-09 02:08:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2025-03-09 02:08:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-03-09 02:08:27,552 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:08:27,552 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:08:27,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-09 02:08:27,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:08:27,753 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-03-09 02:08:27,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:08:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1431981581, now seen corresponding path program 3 times [2025-03-09 02:08:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:08:27,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018683579] [2025-03-09 02:08:27,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:27,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:08:27,761 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 265 statements into 15 equivalence classes. [2025-03-09 02:08:27,767 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 102 of 265 statements. [2025-03-09 02:08:27,767 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-09 02:08:27,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 71 proven. 124 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-03-09 02:08:27,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:08:27,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018683579] [2025-03-09 02:08:27,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018683579] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:08:27,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173409513] [2025-03-09 02:08:27,900 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:08:27,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:08:27,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:08:27,903 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 02:08:27,903 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 02:08:27,932 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 265 statements into 15 equivalence classes. [2025-03-09 02:08:27,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 102 of 265 statements. [2025-03-09 02:08:27,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-09 02:08:27,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:08:27,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:08:27,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:08:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 189 proven. 6 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-03-09 02:08:28,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:08:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 129 proven. 66 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-03-09 02:08:28,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173409513] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:08:28,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:08:28,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2025-03-09 02:08:28,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159692266] [2025-03-09 02:08:28,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:08:28,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-09 02:08:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:08:28,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-09 02:08:28,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2025-03-09 02:08:28,390 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand has 24 states, 24 states have (on average 8.791666666666666) internal successors, (211), 23 states have internal predecessors, (211), 14 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (52), 14 states have call predecessors, (52), 14 states have call successors, (52) [2025-03-09 02:08:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:08:28,870 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions. [2025-03-09 02:08:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:08:28,870 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.791666666666666) internal successors, (211), 23 states have internal predecessors, (211), 14 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (52), 14 states have call predecessors, (52), 14 states have call successors, (52) Word has length 265 [2025-03-09 02:08:28,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:08:28,871 INFO L225 Difference]: With dead ends: 158 [2025-03-09 02:08:28,871 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 02:08:28,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 517 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=897, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 02:08:28,872 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 149 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:08:28,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 454 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:08:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 02:08:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 02:08:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:08:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 02:08:28,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2025-03-09 02:08:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:08:28,872 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 02:08:28,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.791666666666666) internal successors, (211), 23 states have internal predecessors, (211), 14 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (52), 14 states have call predecessors, (52), 14 states have call successors, (52) [2025-03-09 02:08:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 02:08:28,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2025-03-09 02:08:28,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2025-03-09 02:08:28,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2025-03-09 02:08:28,886 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 02:08:29,076 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,SelfDestructingSolverStorable39 [2025-03-09 02:08:29,079 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 3, 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 02:08:29,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 02:08:34,406 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:08:34,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:08:34 BoogieIcfgContainer [2025-03-09 02:08:34,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:08:34,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:08:34,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:08:34,425 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:08:34,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:07:30" (3/4) ... [2025-03-09 02:08:34,432 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 02:08:34,437 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-09 02:08:34,437 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-09 02:08:34,440 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-09 02:08:34,440 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 02:08:34,440 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 02:08:34,440 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:08:34,515 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:08:34,515 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:08:34,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:08:34,520 INFO L158 Benchmark]: Toolchain (without parser) took 64983.88ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 112.3MB in the beginning and 284.5MB in the end (delta: -172.2MB). Peak memory consumption was 162.8MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,520 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 226.5MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:08:34,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.53ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.39ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:08:34,520 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,520 INFO L158 Benchmark]: IcfgBuilder took 309.50ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 82.5MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,521 INFO L158 Benchmark]: TraceAbstraction took 64379.64ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 81.9MB in the beginning and 292.6MB in the end (delta: -210.7MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,521 INFO L158 Benchmark]: Witness Printer took 94.60ms. Allocated memory is still 478.2MB. Free memory was 292.6MB in the beginning and 284.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:08:34,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 226.5MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.53ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.39ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 309.50ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 82.5MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 64379.64ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 81.9MB in the beginning and 292.6MB in the end (delta: -210.7MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. * Witness Printer took 94.60ms. Allocated memory is still 478.2MB. Free memory was 292.6MB in the beginning and 284.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 113 edges, 30 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 40, TraceHistogramMax: 27, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 7099 SdHoareTripleChecker+Valid, 14.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6931 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7710 mSDsCounter, 1131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17245 IncrementalHoareTripleChecker+Invalid, 18377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1131 mSolverCounterUnsat, 2490 mSDtfsCounter, 17245 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4986 GetRequests, 4392 SyntacticMatches, 15 SemanticMatches, 579 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2222 ImplicationChecksByTransitivity, 24.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred in iteration=29, InterpolantAutomatonStates: 418, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 40 MinimizatonAttempts, 1462 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 7106 NumberOfCodeBlocks, 6281 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 6430 ConstructedInterpolants, 3 QuantifiedInterpolants, 23933 SizeOfPredicates, 80 NumberOfNonLiveVariables, 5023 ConjunctsInSsa, 357 ConjunctsInUnsatCore, 57 InterpolantComputations, 19 PerfectInterpolantSequences, 19844/21405 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: ((((((((((((0 <= x) && (((__int128) ((long long) 2 * y) + r) <= 5)) && (2 == q)) && (2 == a)) && (b <= r)) && ((2 + (((r >= 0) ? (r / 4) : ((r / 4) - 1)) * 2)) <= b)) && (r <= ((long long) 2 * y))) && (x <= (((long long) y * 4) + 1))) || ((((((((x <= 5) && (0 <= x)) && (b == 4)) && (r <= 5)) && (q == 0)) && (y == 1)) && (a == 4)) && (4 <= r))) || ((((((((x <= 5) && (0 <= x)) && (b == y)) && (r <= 5)) && (a == 1)) && (1 <= b)) && (q == 0)) && (y <= r))) || (((((0 <= x) && (((((b == 1) && (y == 1)) && (q == 4)) && (r == 1)) || (((((b == y) && (1 <= b)) && (((__int128) ((long long) 2 * y) + r) <= 5)) && (2 == q)) && (b <= r)))) && (a == 1)) && (r <= ((long long) 2 * y))) && (x <= (((long long) y * 4) + 1)))) || ((((((((x <= 5) && (0 <= x)) && (1 <= y)) && (((long long) 2 * y) == b)) && (r <= 5)) && (q == 0)) && (2 == a)) && (b <= r))) - InvariantResult [Line: 38]: Location Invariant Derived location invariant: (((((((((x <= 5) && (0 <= x)) && (1 <= b)) && (((__int128) q * y) <= (((__int128) a * y) + 5))) && (((((((b <= y) && (a <= 4)) && (r == 0)) && (y == 1)) && (0 <= q)) && (2 <= a)) || (((((y <= 2) && (b == y)) && (a == 1)) && (r == 0)) && (0 <= q)))) || (((((((((((x <= 5) && (2 <= b)) && (0 <= x)) && (y <= 2)) && (b <= ((long long) 2 * y))) && (r == 0)) && (0 <= q)) && (((a >= 0) ? (a % 2) : ((a % 2) + 2)) == 0)) && (((__int128) a + q) <= 8)) && (((__int128) q * y) <= (((__int128) a * y) + 5))) && (2 <= a))) || (((((((((((((2 <= b) && (r <= 1)) && (0 <= r)) && (y == 1)) && (q == 4)) && (a == 4)) || ((((((long long) 2 * y) <= b) && (0 <= r)) && (2 == q)) && (2 == a))) && (x <= 5)) && (0 <= x)) && (b <= ((long long) y * 4))) && (((__int128) b + r) <= 5)) && (r <= ((long long) 2 * y))) && (((__int128) r + 1) <= ((long long) y * 4)))) || (((((((((((x <= 5) && (0 <= x)) && (1 <= y)) && (y <= 5)) && (((__int128) 2 * b) <= r)) && (0 <= r)) && (r <= 5)) && (q == 0)) && (a == 0)) && (((__int128) b + r) <= 5)) && (0 <= ((__int128) b + 2147483648)))) || ((((((((((__int128) r + 1) <= y) && (x <= 5)) && (0 <= x)) && (b == y)) && (((__int128) r + y) <= 5)) && (0 <= r)) && (a == 1)) && (q == 1))) RESULT: Ultimate proved your program to be correct! [2025-03-09 02:08:34,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE