./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd.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/egcd.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 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:00:18,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:00:18,151 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:00:18,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:00:18,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:00:18,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:00:18,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:00:18,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:00:18,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:00:18,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:00:18,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:00:18,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:00:18,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:00:18,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:00:18,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:00:18,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:00:18,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:00:18,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:00:18,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:00:18,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:00:18,175 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 -> 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 [2025-03-09 02:00:18,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:00:18,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:00:18,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:00:18,411 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:00:18,411 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:00:18,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2025-03-09 02:00:19,558 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f125e1e20/0595de503979422a94fdb4d51b3eed40/FLAGbff4a6f8c [2025-03-09 02:00:19,765 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:00:19,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2025-03-09 02:00:19,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f125e1e20/0595de503979422a94fdb4d51b3eed40/FLAGbff4a6f8c [2025-03-09 02:00:19,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f125e1e20/0595de503979422a94fdb4d51b3eed40 [2025-03-09 02:00:19,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:00:19,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:00:19,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:00:19,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:00:19,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:00:19,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:19,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74781be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19, skipping insertion in model container [2025-03-09 02:00:19,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:19,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:00:19,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:00:19,945 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:00:19,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:00:19,975 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:00:19,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19 WrapperNode [2025-03-09 02:00:19,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:00:19,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:00:19,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:00:19,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:00:19,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:19,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,004 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2025-03-09 02:00:20,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:00:20,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:00:20,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:00:20,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:00:20,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,030 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-03-09 02:00:20,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:00:20,040 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:00:20,040 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:00:20,040 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:00:20,042 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (1/1) ... [2025-03-09 02:00:20,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:00:20,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:20,066 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 02:00:20,068 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 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:00:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:00:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:00:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:00:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:00:20,133 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:00:20,135 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:00:20,550 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2025-03-09 02:00:20,551 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:00:20,566 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:00:20,567 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:00:20,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:00:20 BoogieIcfgContainer [2025-03-09 02:00:20,568 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:00:20,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:00:20,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:00:20,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:00:20,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:00:19" (1/3) ... [2025-03-09 02:00:20,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122865b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:00:20, skipping insertion in model container [2025-03-09 02:00:20,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:00:19" (2/3) ... [2025-03-09 02:00:20,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122865b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:00:20, skipping insertion in model container [2025-03-09 02:00:20,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:00:20" (3/3) ... [2025-03-09 02:00:20,577 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd.c [2025-03-09 02:00:20,589 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:00:20,590 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd.c that has 3 procedures, 140 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-03-09 02:00:20,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:00:20,634 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;@7cb03052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:00:20,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-03-09 02:00:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 128 states have internal predecessors, (133), 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 02:00:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:00:20,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:20,641 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:20,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:20,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1395958554, now seen corresponding path program 1 times [2025-03-09 02:00:20,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686292925] [2025-03-09 02:00:20,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:20,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:00:20,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:00:20,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:20,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:00:20,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686292925] [2025-03-09 02:00:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686292925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:20,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100309320] [2025-03-09 02:00:20,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:20,773 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 02:00:20,775 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 02:00:20,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:00:20,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:00:20,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:20,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:20,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:00:20,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 02:00:20,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:20,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100309320] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:20,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:00:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587284337] [2025-03-09 02:00:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:20,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:00:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:20,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:00:20,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:00:20,860 INFO L87 Difference]: Start difference. First operand has 140 states, 72 states have (on average 1.8472222222222223) internal successors, (133), 128 states have internal predecessors, (133), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:00:20,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:20,885 INFO L93 Difference]: Finished difference Result 276 states and 306 transitions. [2025-03-09 02:00:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:00:20,886 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-03-09 02:00:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:20,892 INFO L225 Difference]: With dead ends: 276 [2025-03-09 02:00:20,893 INFO L226 Difference]: Without dead ends: 133 [2025-03-09 02:00:20,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:00:20,900 INFO L435 NwaCegarLoop]: 147 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, 147 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 02:00:20,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:00:20,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-09 02:00:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-09 02:00:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 67 states have (on average 1.8507462686567164) internal successors, (124), 122 states have internal predecessors, (124), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-09 02:00:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2025-03-09 02:00:20,937 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 14 [2025-03-09 02:00:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:20,937 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2025-03-09 02:00:20,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 02:00:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2025-03-09 02:00:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 02:00:20,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:20,938 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:20,945 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 02:00:21,139 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 02:00:21,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:21,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:21,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1200368570, now seen corresponding path program 1 times [2025-03-09 02:00:21,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:21,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284527676] [2025-03-09 02:00:21,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:21,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:21,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:00:21,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:00:21,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:21,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:21,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121045596] [2025-03-09 02:00:21,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:21,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:21,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:21,168 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 02:00:21,170 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 02:00:21,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 02:00:21,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 02:00:21,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:21,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:21,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:00:21,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:21,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:21,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284527676] [2025-03-09 02:00:21,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:21,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121045596] [2025-03-09 02:00:21,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121045596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:21,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:21,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:21,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269860785] [2025-03-09 02:00:21,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:21,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:21,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:21,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:21,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:21,240 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:21,454 INFO L93 Difference]: Finished difference Result 217 states and 263 transitions. [2025-03-09 02:00:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:21,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-03-09 02:00:21,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:21,456 INFO L225 Difference]: With dead ends: 217 [2025-03-09 02:00:21,456 INFO L226 Difference]: Without dead ends: 213 [2025-03-09 02:00:21,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 02:00:21,457 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 73 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:21,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 136 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-03-09 02:00:21,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 171. [2025-03-09 02:00:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 100 states have (on average 1.86) internal successors, (186), 155 states have internal predecessors, (186), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 02:00:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 212 transitions. [2025-03-09 02:00:21,473 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 212 transitions. Word has length 14 [2025-03-09 02:00:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:21,473 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 212 transitions. [2025-03-09 02:00:21,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 212 transitions. [2025-03-09 02:00:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-09 02:00:21,473 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:21,473 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:21,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:21,678 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 02:00:21,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:21,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:21,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1792003912, now seen corresponding path program 1 times [2025-03-09 02:00:21,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:21,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235593648] [2025-03-09 02:00:21,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:21,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 02:00:21,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 02:00:21,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:21,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:21,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857289499] [2025-03-09 02:00:21,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:21,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:21,697 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 02:00:21,698 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 02:00:21,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-09 02:00:21,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-09 02:00:21,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:21,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:21,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:00:21,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:21,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:21,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:21,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235593648] [2025-03-09 02:00:21,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:21,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857289499] [2025-03-09 02:00:21,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857289499] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:21,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:21,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:21,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197343314] [2025-03-09 02:00:21,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:21,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:21,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:21,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:21,748 INFO L87 Difference]: Start difference. First operand 171 states and 212 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:21,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:21,875 INFO L93 Difference]: Finished difference Result 271 states and 335 transitions. [2025-03-09 02:00:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:21,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-03-09 02:00:21,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:21,877 INFO L225 Difference]: With dead ends: 271 [2025-03-09 02:00:21,877 INFO L226 Difference]: Without dead ends: 263 [2025-03-09 02:00:21,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 02:00:21,878 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 84 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:21,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 194 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-03-09 02:00:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 223. [2025-03-09 02:00:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 146 states have (on average 1.8082191780821917) internal successors, (264), 201 states have internal predecessors, (264), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-09 02:00:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 302 transitions. [2025-03-09 02:00:21,904 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 302 transitions. Word has length 16 [2025-03-09 02:00:21,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:21,904 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 302 transitions. [2025-03-09 02:00:21,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 302 transitions. [2025-03-09 02:00:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 02:00:21,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:21,905 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:21,912 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 02:00:22,105 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 02:00:22,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:22,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash 166129078, now seen corresponding path program 1 times [2025-03-09 02:00:22,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:22,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758000255] [2025-03-09 02:00:22,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:22,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 02:00:22,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 02:00:22,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:22,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:22,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100659305] [2025-03-09 02:00:22,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:22,133 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 02:00:22,135 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 02:00:22,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 02:00:22,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 02:00:22,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:22,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:22,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:00:22,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:22,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:22,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758000255] [2025-03-09 02:00:22,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100659305] [2025-03-09 02:00:22,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100659305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:22,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:22,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:22,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133707514] [2025-03-09 02:00:22,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:22,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:22,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:22,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:22,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:22,208 INFO L87 Difference]: Start difference. First operand 223 states and 302 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:22,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:22,409 INFO L93 Difference]: Finished difference Result 257 states and 321 transitions. [2025-03-09 02:00:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:22,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-03-09 02:00:22,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:22,411 INFO L225 Difference]: With dead ends: 257 [2025-03-09 02:00:22,411 INFO L226 Difference]: Without dead ends: 243 [2025-03-09 02:00:22,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:22,412 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 61 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:22,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 122 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:22,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-09 02:00:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 189. [2025-03-09 02:00:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 117 states have (on average 1.7264957264957266) internal successors, (202), 172 states have internal predecessors, (202), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 02:00:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2025-03-09 02:00:22,425 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 18 [2025-03-09 02:00:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:22,425 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2025-03-09 02:00:22,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 02:00:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2025-03-09 02:00:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 02:00:22,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:22,426 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:22,434 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 02:00:22,627 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 02:00:22,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:22,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1356630459, now seen corresponding path program 1 times [2025-03-09 02:00:22,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-03-09 02:00:22,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:22,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:00:22,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:00:22,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:22,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:22,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628713370] [2025-03-09 02:00:22,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:22,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:22,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:22,643 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 02:00:22,645 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 02:00:22,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 02:00:22,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 02:00:22,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:22,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:22,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:00:22,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:22,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:22,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:22,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-03-09 02:00:22,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:22,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628713370] [2025-03-09 02:00:22,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628713370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:22,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:22,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:22,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916638584] [2025-03-09 02:00:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:22,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:22,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:22,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:22,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:22,695 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:22,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:22,824 INFO L93 Difference]: Finished difference Result 349 states and 447 transitions. [2025-03-09 02:00:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:22,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2025-03-09 02:00:22,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:22,826 INFO L225 Difference]: With dead ends: 349 [2025-03-09 02:00:22,826 INFO L226 Difference]: Without dead ends: 341 [2025-03-09 02:00:22,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 02:00:22,827 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 84 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:22,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 190 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-03-09 02:00:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 266. [2025-03-09 02:00:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.7081081081081082) internal successors, (316), 240 states have internal predecessors, (316), 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 02:00:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 362 transitions. [2025-03-09 02:00:22,846 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 362 transitions. Word has length 25 [2025-03-09 02:00:22,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:22,847 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 362 transitions. [2025-03-09 02:00:22,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 362 transitions. [2025-03-09 02:00:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 02:00:22,847 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:22,847 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:22,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:00:23,050 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 02:00:23,050 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:23,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1948189411, now seen corresponding path program 1 times [2025-03-09 02:00:23,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:23,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834149619] [2025-03-09 02:00:23,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:23,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:23,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:00:23,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:00:23,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:23,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:23,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [861119022] [2025-03-09 02:00:23,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:23,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:23,066 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 02:00:23,068 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 02:00:23,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 02:00:23,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 02:00:23,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:23,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:23,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:23,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:23,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:23,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:23,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834149619] [2025-03-09 02:00:23,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:23,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861119022] [2025-03-09 02:00:23,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861119022] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:23,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:23,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:23,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985356097] [2025-03-09 02:00:23,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:23,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:23,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:23,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:23,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:23,170 INFO L87 Difference]: Start difference. First operand 266 states and 362 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:23,320 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2025-03-09 02:00:23,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:23,321 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2025-03-09 02:00:23,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:23,322 INFO L225 Difference]: With dead ends: 319 [2025-03-09 02:00:23,322 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:00:23,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 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 02:00:23,323 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 230 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:23,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 135 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:00:23,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2025-03-09 02:00:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.6864864864864866) internal successors, (312), 240 states have internal predecessors, (312), 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 02:00:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 358 transitions. [2025-03-09 02:00:23,341 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 358 transitions. Word has length 27 [2025-03-09 02:00:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:23,341 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 358 transitions. [2025-03-09 02:00:23,341 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 358 transitions. [2025-03-09 02:00:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-09 02:00:23,342 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:23,342 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:23,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 02:00:23,545 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 02:00:23,545 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:23,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:23,546 INFO L85 PathProgramCache]: Analyzing trace with hash 264329672, now seen corresponding path program 1 times [2025-03-09 02:00:23,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:23,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227990917] [2025-03-09 02:00:23,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:23,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:00:23,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:00:23,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:23,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:23,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691605215] [2025-03-09 02:00:23,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:23,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:23,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:23,560 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 02:00:23,562 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 02:00:23,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 02:00:23,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 02:00:23,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:23,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:23,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:23,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:23,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:23,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227990917] [2025-03-09 02:00:23,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:23,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691605215] [2025-03-09 02:00:23,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691605215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:23,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:23,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243821254] [2025-03-09 02:00:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:23,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:23,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:23,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:23,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:23,645 INFO L87 Difference]: Start difference. First operand 266 states and 358 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:23,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:23,809 INFO L93 Difference]: Finished difference Result 319 states and 423 transitions. [2025-03-09 02:00:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:23,809 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2025-03-09 02:00:23,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:23,812 INFO L225 Difference]: With dead ends: 319 [2025-03-09 02:00:23,812 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:00:23,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 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 02:00:23,813 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 169 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:23,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 150 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:00:23,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2025-03-09 02:00:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 185 states have (on average 1.664864864864865) internal successors, (308), 240 states have internal predecessors, (308), 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 02:00:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 354 transitions. [2025-03-09 02:00:23,827 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 354 transitions. Word has length 28 [2025-03-09 02:00:23,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:23,827 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 354 transitions. [2025-03-09 02:00:23,827 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 354 transitions. [2025-03-09 02:00:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-09 02:00:23,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:23,828 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:23,834 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 02:00:24,028 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 02:00:24,028 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:24,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:24,029 INFO L85 PathProgramCache]: Analyzing trace with hash -395714687, now seen corresponding path program 1 times [2025-03-09 02:00:24,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:24,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312458560] [2025-03-09 02:00:24,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:24,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:00:24,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:00:24,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:24,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:24,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759875245] [2025-03-09 02:00:24,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:24,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:24,048 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 02:00:24,050 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 02:00:24,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-09 02:00:24,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-09 02:00:24,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:24,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:24,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:24,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:24,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:24,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:24,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312458560] [2025-03-09 02:00:24,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:24,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759875245] [2025-03-09 02:00:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759875245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:24,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:24,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:24,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208254869] [2025-03-09 02:00:24,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:24,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:24,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:24,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:24,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:24,143 INFO L87 Difference]: Start difference. First operand 266 states and 354 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:24,380 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2025-03-09 02:00:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2025-03-09 02:00:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:24,382 INFO L225 Difference]: With dead ends: 339 [2025-03-09 02:00:24,382 INFO L226 Difference]: Without dead ends: 337 [2025-03-09 02:00:24,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 02:00:24,383 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 140 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:24,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 159 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-09 02:00:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 267. [2025-03-09 02:00:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 186 states have (on average 1.6451612903225807) internal successors, (306), 241 states have internal predecessors, (306), 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 02:00:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 352 transitions. [2025-03-09 02:00:24,396 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 352 transitions. Word has length 29 [2025-03-09 02:00:24,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:24,396 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 352 transitions. [2025-03-09 02:00:24,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 352 transitions. [2025-03-09 02:00:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 02:00:24,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:24,396 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:24,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:24,597 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,SelfDestructingSolverStorable7 [2025-03-09 02:00:24,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:24,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:24,597 INFO L85 PathProgramCache]: Analyzing trace with hash 617746662, now seen corresponding path program 1 times [2025-03-09 02:00:24,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:24,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408213174] [2025-03-09 02:00:24,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:24,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:00:24,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:00:24,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:24,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:24,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519255470] [2025-03-09 02:00:24,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:24,611 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 02:00:24,613 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 02:00:24,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 02:00:24,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 02:00:24,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:24,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:24,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:24,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 02:00:24,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:24,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:24,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408213174] [2025-03-09 02:00:24,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:24,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519255470] [2025-03-09 02:00:24,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519255470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:24,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:24,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:24,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275040476] [2025-03-09 02:00:24,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:24,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:24,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:24,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:24,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:24,680 INFO L87 Difference]: Start difference. First operand 267 states and 352 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:25,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:25,034 INFO L93 Difference]: Finished difference Result 339 states and 423 transitions. [2025-03-09 02:00:25,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:25,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-03-09 02:00:25,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:25,036 INFO L225 Difference]: With dead ends: 339 [2025-03-09 02:00:25,037 INFO L226 Difference]: Without dead ends: 337 [2025-03-09 02:00:25,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 02:00:25,038 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 139 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:25,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-09 02:00:25,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 268. [2025-03-09 02:00:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 187 states have (on average 1.625668449197861) internal successors, (304), 242 states have internal predecessors, (304), 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 02:00:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 350 transitions. [2025-03-09 02:00:25,050 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 350 transitions. Word has length 30 [2025-03-09 02:00:25,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:25,050 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 350 transitions. [2025-03-09 02:00:25,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 02:00:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 350 transitions. [2025-03-09 02:00:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-09 02:00:25,053 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:25,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:25,059 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 02:00:25,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:25,254 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:25,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1247464834, now seen corresponding path program 1 times [2025-03-09 02:00:25,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:25,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173540034] [2025-03-09 02:00:25,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:25,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:00:25,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:00:25,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:25,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:25,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798107150] [2025-03-09 02:00:25,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:25,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:25,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:25,274 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 02:00:25,275 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 02:00:25,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-09 02:00:25,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-09 02:00:25,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:25,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:25,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:25,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:00:25,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:25,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:25,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173540034] [2025-03-09 02:00:25,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:25,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798107150] [2025-03-09 02:00:25,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798107150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:25,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:25,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:25,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458727803] [2025-03-09 02:00:25,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:25,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:25,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:25,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:25,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:25,381 INFO L87 Difference]: Start difference. First operand 268 states and 350 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 02:00:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:25,541 INFO L93 Difference]: Finished difference Result 290 states and 369 transitions. [2025-03-09 02:00:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:25,542 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), 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 38 [2025-03-09 02:00:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:25,544 INFO L225 Difference]: With dead ends: 290 [2025-03-09 02:00:25,544 INFO L226 Difference]: Without dead ends: 288 [2025-03-09 02:00:25,544 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 02:00:25,544 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 208 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:25,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 145 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:25,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-09 02:00:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 269. [2025-03-09 02:00:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 188 states have (on average 1.6117021276595744) internal successors, (303), 243 states have internal predecessors, (303), 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 02:00:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 349 transitions. [2025-03-09 02:00:25,554 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 349 transitions. Word has length 38 [2025-03-09 02:00:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:25,554 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 349 transitions. [2025-03-09 02:00:25,554 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), 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 02:00:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 349 transitions. [2025-03-09 02:00:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-09 02:00:25,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:25,555 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:25,561 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 02:00:25,755 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,SelfDestructingSolverStorable9 [2025-03-09 02:00:25,755 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:25,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash 16704252, now seen corresponding path program 1 times [2025-03-09 02:00:25,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:25,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661786286] [2025-03-09 02:00:25,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:25,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:25,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-09 02:00:25,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-09 02:00:25,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:25,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:25,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549252414] [2025-03-09 02:00:25,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:25,775 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 02:00:25,776 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 02:00:25,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-09 02:00:25,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-09 02:00:25,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:25,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:25,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:25,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:00:25,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:25,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661786286] [2025-03-09 02:00:25,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:25,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549252414] [2025-03-09 02:00:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549252414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:25,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:25,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:25,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096779133] [2025-03-09 02:00:25,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:25,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:25,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:25,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:25,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:25,864 INFO L87 Difference]: Start difference. First operand 269 states and 349 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 02:00:26,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:26,070 INFO L93 Difference]: Finished difference Result 290 states and 366 transitions. [2025-03-09 02:00:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:26,074 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), 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 39 [2025-03-09 02:00:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:26,075 INFO L225 Difference]: With dead ends: 290 [2025-03-09 02:00:26,075 INFO L226 Difference]: Without dead ends: 288 [2025-03-09 02:00:26,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 02:00:26,076 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 153 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:26,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 160 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-09 02:00:26,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 270. [2025-03-09 02:00:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.597883597883598) internal successors, (302), 244 states have internal predecessors, (302), 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 02:00:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 348 transitions. [2025-03-09 02:00:26,086 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 348 transitions. Word has length 39 [2025-03-09 02:00:26,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:26,086 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 348 transitions. [2025-03-09 02:00:26,086 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), 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 02:00:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 348 transitions. [2025-03-09 02:00:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:00:26,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:26,087 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:26,093 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 02:00:26,287 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,SelfDestructingSolverStorable10 [2025-03-09 02:00:26,287 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:26,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash 517831872, now seen corresponding path program 1 times [2025-03-09 02:00:26,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:26,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539157301] [2025-03-09 02:00:26,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:26,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:26,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:00:26,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:00:26,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:26,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:26,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387415500] [2025-03-09 02:00:26,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:26,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:26,312 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 02:00:26,313 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 02:00:26,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:00:26,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:00:26,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:26,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:26,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:26,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:00:26,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:26,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:26,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539157301] [2025-03-09 02:00:26,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:26,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387415500] [2025-03-09 02:00:26,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387415500] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:26,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:26,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713906608] [2025-03-09 02:00:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:26,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:26,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:26,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:26,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:26,380 INFO L87 Difference]: Start difference. First operand 270 states and 348 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 02:00:26,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:26,633 INFO L93 Difference]: Finished difference Result 298 states and 355 transitions. [2025-03-09 02:00:26,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:26,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 40 [2025-03-09 02:00:26,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:26,635 INFO L225 Difference]: With dead ends: 298 [2025-03-09 02:00:26,636 INFO L226 Difference]: Without dead ends: 296 [2025-03-09 02:00:26,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 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 02:00:26,637 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 76 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:26,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 234 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-03-09 02:00:26,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 271. [2025-03-09 02:00:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.5842105263157895) internal successors, (301), 245 states have internal predecessors, (301), 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 02:00:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2025-03-09 02:00:26,646 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 40 [2025-03-09 02:00:26,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:26,646 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2025-03-09 02:00:26,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 02:00:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2025-03-09 02:00:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-09 02:00:26,646 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:26,646 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:26,656 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 02:00:26,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-09 02:00:26,851 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:26,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:26,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1127081094, now seen corresponding path program 1 times [2025-03-09 02:00:26,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:26,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058799137] [2025-03-09 02:00:26,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:26,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-09 02:00:26,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-09 02:00:26,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:26,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:26,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053153281] [2025-03-09 02:00:26,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:26,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:26,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:26,874 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 02:00:26,876 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 02:00:26,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-09 02:00:26,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-09 02:00:26,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:26,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:26,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:26,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:00:26,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:26,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:26,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058799137] [2025-03-09 02:00:26,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:26,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053153281] [2025-03-09 02:00:26,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053153281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:26,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:26,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:26,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506321187] [2025-03-09 02:00:26,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:26,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:26,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:26,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:26,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:26,957 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:00:27,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:27,406 INFO L93 Difference]: Finished difference Result 298 states and 352 transitions. [2025-03-09 02:00:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:27,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 41 [2025-03-09 02:00:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:27,408 INFO L225 Difference]: With dead ends: 298 [2025-03-09 02:00:27,408 INFO L226 Difference]: Without dead ends: 296 [2025-03-09 02:00:27,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 02:00:27,409 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 76 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:27,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 237 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:00:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-03-09 02:00:27,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2025-03-09 02:00:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.5706806282722514) internal successors, (300), 246 states have internal predecessors, (300), 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 02:00:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 346 transitions. [2025-03-09 02:00:27,420 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 346 transitions. Word has length 41 [2025-03-09 02:00:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:27,420 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 346 transitions. [2025-03-09 02:00:27,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:00:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 346 transitions. [2025-03-09 02:00:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:00:27,422 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:27,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:27,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-09 02:00:27,622 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,SelfDestructingSolverStorable12 [2025-03-09 02:00:27,622 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:27,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1736988244, now seen corresponding path program 1 times [2025-03-09 02:00:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319176392] [2025-03-09 02:00:27,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:27,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:00:27,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:00:27,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:27,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:27,682 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 02:00:27,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:27,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319176392] [2025-03-09 02:00:27,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319176392] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:27,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:27,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:27,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630937135] [2025-03-09 02:00:27,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:27,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:27,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:27,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:27,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:27,683 INFO L87 Difference]: Start difference. First operand 272 states and 346 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:00:27,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:27,717 INFO L93 Difference]: Finished difference Result 272 states and 346 transitions. [2025-03-09 02:00:27,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:27,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2025-03-09 02:00:27,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:27,718 INFO L225 Difference]: With dead ends: 272 [2025-03-09 02:00:27,718 INFO L226 Difference]: Without dead ends: 270 [2025-03-09 02:00:27,719 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 02:00:27,719 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:27,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 197 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:00:27,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-03-09 02:00:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2025-03-09 02:00:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 191 states have (on average 1.5392670157068062) internal successors, (294), 244 states have internal predecessors, (294), 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 02:00:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 340 transitions. [2025-03-09 02:00:27,729 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 340 transitions. Word has length 48 [2025-03-09 02:00:27,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:27,729 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 340 transitions. [2025-03-09 02:00:27,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:00:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 340 transitions. [2025-03-09 02:00:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 02:00:27,730 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:27,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:27,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 02:00:27,730 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:27,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:27,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1987939309, now seen corresponding path program 1 times [2025-03-09 02:00:27,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:27,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105911927] [2025-03-09 02:00:27,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:27,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:00:27,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:00:27,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:27,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:27,773 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 02:00:27,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:27,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105911927] [2025-03-09 02:00:27,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105911927] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:27,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:27,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:27,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197675808] [2025-03-09 02:00:27,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:27,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:27,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:27,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:27,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:27,775 INFO L87 Difference]: Start difference. First operand 270 states and 340 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:00:27,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:27,800 INFO L93 Difference]: Finished difference Result 270 states and 340 transitions. [2025-03-09 02:00:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:27,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2025-03-09 02:00:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:27,802 INFO L225 Difference]: With dead ends: 270 [2025-03-09 02:00:27,802 INFO L226 Difference]: Without dead ends: 268 [2025-03-09 02:00:27,802 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 02:00:27,803 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 45 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:27,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 196 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:00:27,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-03-09 02:00:27,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2025-03-09 02:00:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 191 states have (on average 1.4973821989528795) internal successors, (286), 242 states have internal predecessors, (286), 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 02:00:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 332 transitions. [2025-03-09 02:00:27,814 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 332 transitions. Word has length 49 [2025-03-09 02:00:27,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:27,814 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 332 transitions. [2025-03-09 02:00:27,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:00:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 332 transitions. [2025-03-09 02:00:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-09 02:00:27,815 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:27,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:27,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 02:00:27,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:27,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1496631683, now seen corresponding path program 1 times [2025-03-09 02:00:27,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:27,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322449414] [2025-03-09 02:00:27,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:27,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:27,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 02:00:27,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 02:00:27,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:27,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 02:00:27,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:27,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322449414] [2025-03-09 02:00:27,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322449414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:27,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:27,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 02:00:27,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540521680] [2025-03-09 02:00:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:27,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:00:27,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:27,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:00:27,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:00:27,942 INFO L87 Difference]: Start difference. First operand 268 states and 332 transitions. Second operand has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:00:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:28,278 INFO L93 Difference]: Finished difference Result 271 states and 335 transitions. [2025-03-09 02:00:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:00:28,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2025-03-09 02:00:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:28,279 INFO L225 Difference]: With dead ends: 271 [2025-03-09 02:00:28,279 INFO L226 Difference]: Without dead ends: 270 [2025-03-09 02:00:28,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:28,280 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 272 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:28,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 264 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-03-09 02:00:28,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2025-03-09 02:00:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 193 states have (on average 1.4922279792746114) internal successors, (288), 244 states have internal predecessors, (288), 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 02:00:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 334 transitions. [2025-03-09 02:00:28,289 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 334 transitions. Word has length 50 [2025-03-09 02:00:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:28,290 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 334 transitions. [2025-03-09 02:00:28,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 02:00:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 334 transitions. [2025-03-09 02:00:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-09 02:00:28,290 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:28,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:28,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 02:00:28,291 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:28,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1496633028, now seen corresponding path program 1 times [2025-03-09 02:00:28,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:28,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642008966] [2025-03-09 02:00:28,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:28,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:28,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 02:00:28,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 02:00:28,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:28,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 02:00:28,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:28,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642008966] [2025-03-09 02:00:28,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642008966] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:28,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044260210] [2025-03-09 02:00:28,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:28,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:28,397 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 02:00:28,399 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 02:00:28,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 02:00:28,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 02:00:28,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:28,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:28,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:00:28,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 02:00:28,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-09 02:00:28,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044260210] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:28,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:28,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-03-09 02:00:28,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472875441] [2025-03-09 02:00:28,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:28,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:00:28,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:28,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:00:28,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:00:28,657 INFO L87 Difference]: Start difference. First operand 270 states and 334 transitions. Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2025-03-09 02:00:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:29,014 INFO L93 Difference]: Finished difference Result 332 states and 388 transitions. [2025-03-09 02:00:29,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:00:29,014 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) Word has length 50 [2025-03-09 02:00:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:29,015 INFO L225 Difference]: With dead ends: 332 [2025-03-09 02:00:29,015 INFO L226 Difference]: Without dead ends: 331 [2025-03-09 02:00:29,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:00:29,016 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 682 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:29,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 370 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-03-09 02:00:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 270. [2025-03-09 02:00:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 193 states have (on average 1.4818652849740932) internal successors, (286), 244 states have internal predecessors, (286), 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 02:00:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 332 transitions. [2025-03-09 02:00:29,025 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 332 transitions. Word has length 50 [2025-03-09 02:00:29,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:29,025 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 332 transitions. [2025-03-09 02:00:29,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2025-03-09 02:00:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 332 transitions. [2025-03-09 02:00:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-09 02:00:29,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:29,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:29,032 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 02:00:29,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:29,230 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:29,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash 99003166, now seen corresponding path program 1 times [2025-03-09 02:00:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:29,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:00:29,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:29,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:29,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-09 02:00:29,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-09 02:00:29,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:29,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:29,272 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 02:00:29,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:29,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690612780] [2025-03-09 02:00:29,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690612780] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:29,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:29,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:00:29,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763986222] [2025-03-09 02:00:29,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:29,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:29,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:29,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:29,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:00:29,273 INFO L87 Difference]: Start difference. First operand 270 states and 332 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 02:00:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:29,402 INFO L93 Difference]: Finished difference Result 326 states and 400 transitions. [2025-03-09 02:00:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:29,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 53 [2025-03-09 02:00:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:29,403 INFO L225 Difference]: With dead ends: 326 [2025-03-09 02:00:29,403 INFO L226 Difference]: Without dead ends: 322 [2025-03-09 02:00:29,404 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 02:00:29,404 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 42 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:29,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 137 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:29,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-03-09 02:00:29,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 280. [2025-03-09 02:00:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.4630541871921183) internal successors, (297), 254 states have internal predecessors, (297), 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 02:00:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 343 transitions. [2025-03-09 02:00:29,421 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 343 transitions. Word has length 53 [2025-03-09 02:00:29,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:29,422 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 343 transitions. [2025-03-09 02:00:29,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 02:00:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 343 transitions. [2025-03-09 02:00:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-09 02:00:29,422 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:29,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:29,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 02:00:29,422 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:29,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:29,423 INFO L85 PathProgramCache]: Analyzing trace with hash 515717086, now seen corresponding path program 1 times [2025-03-09 02:00:29,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:29,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149167171] [2025-03-09 02:00:29,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:29,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:29,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-09 02:00:29,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-09 02:00:29,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:29,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:29,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277671531] [2025-03-09 02:00:29,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:29,436 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 02:00:29,438 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 02:00:29,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-09 02:00:29,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-09 02:00:29,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:29,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:29,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:00:29,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:00:29,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:29,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149167171] [2025-03-09 02:00:29,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277671531] [2025-03-09 02:00:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277671531] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:29,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:29,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-03-09 02:00:29,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843189754] [2025-03-09 02:00:29,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:29,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:29,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:29,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:29,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:29,697 INFO L87 Difference]: Start difference. First operand 280 states and 343 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 02:00:29,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:29,850 INFO L93 Difference]: Finished difference Result 320 states and 394 transitions. [2025-03-09 02:00:29,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:29,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 55 [2025-03-09 02:00:29,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:29,852 INFO L225 Difference]: With dead ends: 320 [2025-03-09 02:00:29,852 INFO L226 Difference]: Without dead ends: 318 [2025-03-09 02:00:29,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:29,852 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 70 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:29,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 128 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-03-09 02:00:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 281. [2025-03-09 02:00:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 204 states have (on average 1.4558823529411764) internal successors, (297), 255 states have internal predecessors, (297), 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 02:00:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 343 transitions. [2025-03-09 02:00:29,863 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 343 transitions. Word has length 55 [2025-03-09 02:00:29,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:29,863 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 343 transitions. [2025-03-09 02:00:29,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 02:00:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 343 transitions. [2025-03-09 02:00:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-09 02:00:29,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:29,864 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1] [2025-03-09 02:00:29,870 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 02:00:30,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:30,067 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:30,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:30,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1192639426, now seen corresponding path program 1 times [2025-03-09 02:00:30,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:30,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873290175] [2025-03-09 02:00:30,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:30,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:30,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-09 02:00:30,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-09 02:00:30,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:30,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:30,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730938619] [2025-03-09 02:00:30,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:30,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:30,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:30,077 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 02:00:30,090 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 02:00:30,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-09 02:00:30,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-09 02:00:30,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:30,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:30,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:00:30,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 02:00:30,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:30,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:30,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873290175] [2025-03-09 02:00:30,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:30,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730938619] [2025-03-09 02:00:30,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730938619] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:30,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:30,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-03-09 02:00:30,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405512241] [2025-03-09 02:00:30,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:30,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:30,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:30,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:30,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:30,377 INFO L87 Difference]: Start difference. First operand 281 states and 343 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 02:00:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:30,596 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2025-03-09 02:00:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 56 [2025-03-09 02:00:30,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:30,598 INFO L225 Difference]: With dead ends: 320 [2025-03-09 02:00:30,598 INFO L226 Difference]: Without dead ends: 318 [2025-03-09 02:00:30,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:30,599 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:30,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 173 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2025-03-09 02:00:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 282. [2025-03-09 02:00:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 205 states have (on average 1.448780487804878) internal successors, (297), 256 states have internal predecessors, (297), 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 02:00:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 343 transitions. [2025-03-09 02:00:30,608 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 343 transitions. Word has length 56 [2025-03-09 02:00:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:30,608 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 343 transitions. [2025-03-09 02:00:30,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 02:00:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 343 transitions. [2025-03-09 02:00:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-09 02:00:30,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:30,609 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:30,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:30,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:30,814 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:30,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:30,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1951578150, now seen corresponding path program 1 times [2025-03-09 02:00:30,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:30,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615524343] [2025-03-09 02:00:30,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:30,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:30,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-09 02:00:30,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-09 02:00:30,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:30,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:30,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [592253610] [2025-03-09 02:00:30,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:30,830 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 02:00:30,831 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 02:00:30,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-09 02:00:30,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-09 02:00:30,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:30,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:30,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:30,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-09 02:00:30,914 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:30,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615524343] [2025-03-09 02:00:30,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592253610] [2025-03-09 02:00:30,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592253610] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:30,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:30,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:30,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351345417] [2025-03-09 02:00:30,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:30,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:30,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:30,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:30,915 INFO L87 Difference]: Start difference. First operand 282 states and 343 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 02:00:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:31,076 INFO L93 Difference]: Finished difference Result 333 states and 390 transitions. [2025-03-09 02:00:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:31,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 59 [2025-03-09 02:00:31,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:31,078 INFO L225 Difference]: With dead ends: 333 [2025-03-09 02:00:31,078 INFO L226 Difference]: Without dead ends: 332 [2025-03-09 02:00:31,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 02:00:31,079 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 107 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:31,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 156 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:31,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-09 02:00:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 282. [2025-03-09 02:00:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 205 states have (on average 1.4439024390243902) internal successors, (296), 256 states have internal predecessors, (296), 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 02:00:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2025-03-09 02:00:31,088 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 59 [2025-03-09 02:00:31,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:31,088 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2025-03-09 02:00:31,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 02:00:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2025-03-09 02:00:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-09 02:00:31,089 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:31,089 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:31,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:31,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:31,293 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:31,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:31,294 INFO L85 PathProgramCache]: Analyzing trace with hash -276116321, now seen corresponding path program 1 times [2025-03-09 02:00:31,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:31,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205541638] [2025-03-09 02:00:31,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:31,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:31,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:00:31,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:00:31,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:31,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-09 02:00:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205541638] [2025-03-09 02:00:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205541638] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666796419] [2025-03-09 02:00:31,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:31,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:31,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:31,415 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 02:00:31,417 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 02:00:31,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-09 02:00:31,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-09 02:00:31,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:31,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:31,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:00:31,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-09 02:00:31,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:31,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666796419] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:31,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:31,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:00:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59165396] [2025-03-09 02:00:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:31,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:31,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:31,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:31,604 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:31,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:31,865 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2025-03-09 02:00:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:00:31,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2025-03-09 02:00:31,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:31,866 INFO L225 Difference]: With dead ends: 318 [2025-03-09 02:00:31,866 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:00:31,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:31,868 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 62 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:31,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 122 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:00:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 283. [2025-03-09 02:00:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 206 states have (on average 1.4368932038834952) internal successors, (296), 257 states have internal predecessors, (296), 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 02:00:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions. [2025-03-09 02:00:31,877 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 61 [2025-03-09 02:00:31,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:31,877 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 342 transitions. [2025-03-09 02:00:31,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions. [2025-03-09 02:00:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 02:00:31,878 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:31,878 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-03-09 02:00:31,884 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 02:00:32,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:32,082 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:32,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:32,082 INFO L85 PathProgramCache]: Analyzing trace with hash -369380422, now seen corresponding path program 1 times [2025-03-09 02:00:32,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:32,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954689060] [2025-03-09 02:00:32,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:32,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:00:32,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:00:32,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:32,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:32,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821026063] [2025-03-09 02:00:32,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:32,092 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 02:00:32,094 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 02:00:32,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-09 02:00:32,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 02:00:32,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:32,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:32,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:32,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 02:00:32,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:32,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954689060] [2025-03-09 02:00:32,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:32,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821026063] [2025-03-09 02:00:32,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821026063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:32,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:00:32,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:00:32,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681250689] [2025-03-09 02:00:32,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:32,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:32,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:32,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:32,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:00:32,211 INFO L87 Difference]: Start difference. First operand 283 states and 342 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 02:00:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:32,502 INFO L93 Difference]: Finished difference Result 335 states and 387 transitions. [2025-03-09 02:00:32,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:32,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 60 [2025-03-09 02:00:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:32,503 INFO L225 Difference]: With dead ends: 335 [2025-03-09 02:00:32,503 INFO L226 Difference]: Without dead ends: 332 [2025-03-09 02:00:32,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 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 02:00:32,504 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 72 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:32,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 204 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-09 02:00:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 286. [2025-03-09 02:00:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 209 states have (on average 1.430622009569378) internal successors, (299), 260 states have internal predecessors, (299), 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 02:00:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2025-03-09 02:00:32,513 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 60 [2025-03-09 02:00:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:32,513 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2025-03-09 02:00:32,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 02:00:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2025-03-09 02:00:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 02:00:32,513 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:32,513 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:32,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:32,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:32,714 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:32,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:32,714 INFO L85 PathProgramCache]: Analyzing trace with hash 30328649, now seen corresponding path program 1 times [2025-03-09 02:00:32,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:32,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007081742] [2025-03-09 02:00:32,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:32,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:32,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:00:32,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:00:32,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:32,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:32,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007081742] [2025-03-09 02:00:32,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007081742] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122960548] [2025-03-09 02:00:32,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:32,815 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 02:00:32,816 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 02:00:32,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 02:00:32,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 02:00:32,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:32,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:32,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:00:32,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-09 02:00:33,013 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:33,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122960548] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:33,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:33,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-03-09 02:00:33,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373904381] [2025-03-09 02:00:33,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:33,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:00:33,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:33,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:00:33,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:33,014 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:33,252 INFO L93 Difference]: Finished difference Result 318 states and 384 transitions. [2025-03-09 02:00:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:00:33,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2025-03-09 02:00:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:33,254 INFO L225 Difference]: With dead ends: 318 [2025-03-09 02:00:33,254 INFO L226 Difference]: Without dead ends: 317 [2025-03-09 02:00:33,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:00:33,254 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 59 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:33,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 129 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:33,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-09 02:00:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 287. [2025-03-09 02:00:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4238095238095239) internal successors, (299), 261 states have internal predecessors, (299), 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 02:00:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 345 transitions. [2025-03-09 02:00:33,263 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 345 transitions. Word has length 62 [2025-03-09 02:00:33,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:33,264 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 345 transitions. [2025-03-09 02:00:33,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 345 transitions. [2025-03-09 02:00:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-09 02:00:33,264 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:33,264 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:33,270 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 02:00:33,465 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,SelfDestructingSolverStorable23 [2025-03-09 02:00:33,465 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:33,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 770549088, now seen corresponding path program 1 times [2025-03-09 02:00:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:33,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300552961] [2025-03-09 02:00:33,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:33,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-09 02:00:33,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-09 02:00:33,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:33,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:33,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335293938] [2025-03-09 02:00:33,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:33,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:33,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:33,476 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 02:00:33,478 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 02:00:33,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-09 02:00:33,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-09 02:00:33,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:33,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:33,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:00:33,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:33,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300552961] [2025-03-09 02:00:33,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335293938] [2025-03-09 02:00:33,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335293938] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:33,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:33,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:00:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522805052] [2025-03-09 02:00:33,827 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:33,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:33,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:33,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:33,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:33,828 INFO L87 Difference]: Start difference. First operand 287 states and 345 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:34,138 INFO L93 Difference]: Finished difference Result 468 states and 591 transitions. [2025-03-09 02:00:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:00:34,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2025-03-09 02:00:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:34,140 INFO L225 Difference]: With dead ends: 468 [2025-03-09 02:00:34,140 INFO L226 Difference]: Without dead ends: 464 [2025-03-09 02:00:34,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:34,141 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 479 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:34,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 273 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:34,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-03-09 02:00:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 361. [2025-03-09 02:00:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 275 states have (on average 1.4654545454545456) internal successors, (403), 326 states have internal predecessors, (403), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:00:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 467 transitions. [2025-03-09 02:00:34,152 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 467 transitions. Word has length 66 [2025-03-09 02:00:34,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:34,153 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 467 transitions. [2025-03-09 02:00:34,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 467 transitions. [2025-03-09 02:00:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-09 02:00:34,153 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:34,153 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 02:00:34,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:34,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-09 02:00:34,358 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:34,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1882781969, now seen corresponding path program 1 times [2025-03-09 02:00:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732378871] [2025-03-09 02:00:34,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:34,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-09 02:00:34,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 02:00:34,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:34,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246532333] [2025-03-09 02:00:34,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:34,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:34,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:34,384 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 02:00:34,385 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 02:00:34,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-09 02:00:34,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 02:00:34,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:34,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:34,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:00:34,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:34,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:36,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:36,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732378871] [2025-03-09 02:00:36,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:36,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246532333] [2025-03-09 02:00:36,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246532333] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:36,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:36,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:00:36,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169925182] [2025-03-09 02:00:36,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:36,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:36,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:36,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:36,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:00:36,037 INFO L87 Difference]: Start difference. First operand 361 states and 467 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:36,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:36,362 INFO L93 Difference]: Finished difference Result 390 states and 492 transitions. [2025-03-09 02:00:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:00:36,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2025-03-09 02:00:36,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:36,364 INFO L225 Difference]: With dead ends: 390 [2025-03-09 02:00:36,364 INFO L226 Difference]: Without dead ends: 384 [2025-03-09 02:00:36,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2025-03-09 02:00:36,364 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 178 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:36,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 364 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-03-09 02:00:36,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 355. [2025-03-09 02:00:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 275 states have (on average 1.410909090909091) internal successors, (388), 320 states have internal predecessors, (388), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 02:00:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 452 transitions. [2025-03-09 02:00:36,387 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 452 transitions. Word has length 67 [2025-03-09 02:00:36,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:36,388 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 452 transitions. [2025-03-09 02:00:36,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 452 transitions. [2025-03-09 02:00:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-09 02:00:36,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:36,388 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-09 02:00:36,397 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 02:00:36,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-09 02:00:36,589 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:36,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:36,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1763301182, now seen corresponding path program 1 times [2025-03-09 02:00:36,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:36,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036302927] [2025-03-09 02:00:36,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:36,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:36,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-09 02:00:36,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-09 02:00:36,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:36,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858555157] [2025-03-09 02:00:36,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:36,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:36,607 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 02:00:36,608 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 02:00:36,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-09 02:00:36,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-09 02:00:36,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:36,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:36,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:00:36,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:36,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:36,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:36,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036302927] [2025-03-09 02:00:36,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:36,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858555157] [2025-03-09 02:00:36,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858555157] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:36,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:36,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:00:36,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312212391] [2025-03-09 02:00:36,986 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:36,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:00:36,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:36,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:00:36,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:00:36,987 INFO L87 Difference]: Start difference. First operand 355 states and 452 transitions. Second operand has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:37,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:37,608 INFO L93 Difference]: Finished difference Result 496 states and 655 transitions. [2025-03-09 02:00:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:00:37,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2025-03-09 02:00:37,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:37,610 INFO L225 Difference]: With dead ends: 496 [2025-03-09 02:00:37,610 INFO L226 Difference]: Without dead ends: 489 [2025-03-09 02:00:37,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:00:37,611 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 428 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:37,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 221 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:00:37,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-09 02:00:37,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 446. [2025-03-09 02:00:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 356 states have (on average 1.4606741573033708) internal successors, (520), 401 states have internal predecessors, (520), 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 02:00:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 604 transitions. [2025-03-09 02:00:37,629 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 604 transitions. Word has length 68 [2025-03-09 02:00:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:37,629 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 604 transitions. [2025-03-09 02:00:37,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 604 transitions. [2025-03-09 02:00:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 02:00:37,630 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:37,630 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:37,638 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 02:00:37,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:37,831 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:37,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:37,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1172238131, now seen corresponding path program 1 times [2025-03-09 02:00:37,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:37,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629513126] [2025-03-09 02:00:37,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:37,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 02:00:37,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 02:00:37,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:37,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901913821] [2025-03-09 02:00:37,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:37,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:37,850 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 02:00:37,851 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 02:00:37,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 02:00:37,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 02:00:37,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:37,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:37,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:00:37,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:38,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:38,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:38,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629513126] [2025-03-09 02:00:38,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:38,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901913821] [2025-03-09 02:00:38,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901913821] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:38,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:38,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:00:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264326297] [2025-03-09 02:00:38,362 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:00:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:38,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:00:38,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:00:38,363 INFO L87 Difference]: Start difference. First operand 446 states and 604 transitions. Second operand has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:38,920 INFO L93 Difference]: Finished difference Result 547 states and 738 transitions. [2025-03-09 02:00:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:00:38,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-03-09 02:00:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:38,922 INFO L225 Difference]: With dead ends: 547 [2025-03-09 02:00:38,922 INFO L226 Difference]: Without dead ends: 545 [2025-03-09 02:00:38,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:00:38,923 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 459 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:38,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 252 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:00:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-09 02:00:38,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 480. [2025-03-09 02:00:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 386 states have (on average 1.455958549222798) internal successors, (562), 431 states have internal predecessors, (562), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-09 02:00:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 654 transitions. [2025-03-09 02:00:38,938 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 654 transitions. Word has length 69 [2025-03-09 02:00:38,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:38,938 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 654 transitions. [2025-03-09 02:00:38,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 654 transitions. [2025-03-09 02:00:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 02:00:38,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:38,938 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:38,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:00:39,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:00:39,139 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:39,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:39,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1979643620, now seen corresponding path program 1 times [2025-03-09 02:00:39,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:39,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70724689] [2025-03-09 02:00:39,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:39,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:00:39,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:00:39,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:39,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:39,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263173831] [2025-03-09 02:00:39,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:39,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:39,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:39,153 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 02:00:39,154 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 02:00:39,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 02:00:39,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 02:00:39,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:39,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:39,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 02:00:39,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:39,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:39,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:39,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70724689] [2025-03-09 02:00:39,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:39,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263173831] [2025-03-09 02:00:39,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263173831] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:39,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:39,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:00:39,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245412618] [2025-03-09 02:00:39,471 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:39,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:00:39,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:39,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:00:39,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:00:39,471 INFO L87 Difference]: Start difference. First operand 480 states and 654 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-09 02:00:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:39,763 INFO L93 Difference]: Finished difference Result 505 states and 701 transitions. [2025-03-09 02:00:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:00:39,764 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 70 [2025-03-09 02:00:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:39,765 INFO L225 Difference]: With dead ends: 505 [2025-03-09 02:00:39,765 INFO L226 Difference]: Without dead ends: 495 [2025-03-09 02:00:39,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:00:39,766 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 164 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:39,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 123 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-03-09 02:00:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 326. [2025-03-09 02:00:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 257 states have (on average 1.3190661478599222) internal successors, (339), 293 states have internal predecessors, (339), 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 02:00:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 399 transitions. [2025-03-09 02:00:39,781 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 399 transitions. Word has length 70 [2025-03-09 02:00:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:39,781 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 399 transitions. [2025-03-09 02:00:39,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-09 02:00:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 399 transitions. [2025-03-09 02:00:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 02:00:39,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:39,782 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:39,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:39,986 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,SelfDestructingSolverStorable28 [2025-03-09 02:00:39,986 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:39,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:39,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1239410005, now seen corresponding path program 1 times [2025-03-09 02:00:39,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:39,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369876748] [2025-03-09 02:00:39,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:39,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:39,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:00:39,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:00:39,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:39,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:39,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062238112] [2025-03-09 02:00:39,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:39,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:39,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:39,996 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 02:00:39,997 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 02:00:40,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:00:40,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:00:40,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:40,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:40,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:00:40,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-09 02:00:40,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:40,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:40,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369876748] [2025-03-09 02:00:40,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:40,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062238112] [2025-03-09 02:00:40,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062238112] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:40,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:40,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:00:40,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330173687] [2025-03-09 02:00:40,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:40,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:40,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:40,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:40,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:40,240 INFO L87 Difference]: Start difference. First operand 326 states and 399 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:40,660 INFO L93 Difference]: Finished difference Result 363 states and 443 transitions. [2025-03-09 02:00:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:00:40,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-03-09 02:00:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:40,661 INFO L225 Difference]: With dead ends: 363 [2025-03-09 02:00:40,661 INFO L226 Difference]: Without dead ends: 359 [2025-03-09 02:00:40,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:00:40,662 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 156 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:40,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 325 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:00:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-03-09 02:00:40,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 300. [2025-03-09 02:00:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 270 states have internal predecessors, (304), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-09 02:00:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 358 transitions. [2025-03-09 02:00:40,674 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 358 transitions. Word has length 71 [2025-03-09 02:00:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:40,674 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 358 transitions. [2025-03-09 02:00:40,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 02:00:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 358 transitions. [2025-03-09 02:00:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-09 02:00:40,675 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:40,675 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-09 02:00:40,682 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 02:00:40,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:40,876 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:40,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash 816635752, now seen corresponding path program 1 times [2025-03-09 02:00:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252059647] [2025-03-09 02:00:40,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:40,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-09 02:00:40,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-09 02:00:40,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:40,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:40,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066857713] [2025-03-09 02:00:40,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:40,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:40,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:40,887 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 02:00:40,888 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 02:00:40,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-09 02:00:40,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-09 02:00:40,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:40,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:40,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:00:40,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-09 02:00:41,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252059647] [2025-03-09 02:00:42,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066857713] [2025-03-09 02:00:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066857713] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:42,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:00:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799816381] [2025-03-09 02:00:42,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:42,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:42,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:42,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:00:42,502 INFO L87 Difference]: Start difference. First operand 300 states and 358 transitions. Second operand has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:42,745 INFO L93 Difference]: Finished difference Result 463 states and 578 transitions. [2025-03-09 02:00:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:00:42,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 77 [2025-03-09 02:00:42,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:42,747 INFO L225 Difference]: With dead ends: 463 [2025-03-09 02:00:42,747 INFO L226 Difference]: Without dead ends: 461 [2025-03-09 02:00:42,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-09 02:00:42,748 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 316 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:42,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 249 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2025-03-09 02:00:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 427. [2025-03-09 02:00:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 350 states have (on average 1.3257142857142856) internal successors, (464), 383 states have internal predecessors, (464), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-09 02:00:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 546 transitions. [2025-03-09 02:00:42,771 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 546 transitions. Word has length 77 [2025-03-09 02:00:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:42,771 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 546 transitions. [2025-03-09 02:00:42,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 546 transitions. [2025-03-09 02:00:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-09 02:00:42,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:42,772 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-09 02:00:42,778 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 02:00:42,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:42,972 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1191044068, now seen corresponding path program 1 times [2025-03-09 02:00:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288596693] [2025-03-09 02:00:42,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:42,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:00:42,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:00:42,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:42,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:42,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014988684] [2025-03-09 02:00:42,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:42,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:42,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:42,984 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 02:00:42,984 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 02:00:43,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-09 02:00:43,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-09 02:00:43,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:43,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:43,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 02:00:43,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-09 02:00:43,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:43,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:43,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288596693] [2025-03-09 02:00:43,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:43,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014988684] [2025-03-09 02:00:43,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014988684] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:43,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:43,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-09 02:00:43,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289225599] [2025-03-09 02:00:43,312 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:43,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:00:43,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:43,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:00:43,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:00:43,313 INFO L87 Difference]: Start difference. First operand 427 states and 546 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:43,711 INFO L93 Difference]: Finished difference Result 583 states and 764 transitions. [2025-03-09 02:00:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:00:43,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 81 [2025-03-09 02:00:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:43,713 INFO L225 Difference]: With dead ends: 583 [2025-03-09 02:00:43,713 INFO L226 Difference]: Without dead ends: 579 [2025-03-09 02:00:43,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:00:43,714 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 382 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:43,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 214 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2025-03-09 02:00:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 438. [2025-03-09 02:00:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 360 states have (on average 1.3444444444444446) internal successors, (484), 393 states have internal predecessors, (484), 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 02:00:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 568 transitions. [2025-03-09 02:00:43,736 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 568 transitions. Word has length 81 [2025-03-09 02:00:43,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:43,736 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 568 transitions. [2025-03-09 02:00:43,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 568 transitions. [2025-03-09 02:00:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-09 02:00:43,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:43,736 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-09 02:00:43,743 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 02:00:43,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:43,937 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:43,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1732339498, now seen corresponding path program 1 times [2025-03-09 02:00:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133158980] [2025-03-09 02:00:43,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:43,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-09 02:00:43,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-09 02:00:43,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:43,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:43,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596595033] [2025-03-09 02:00:43,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:43,947 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 02:00:43,947 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 02:00:43,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-09 02:00:43,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-09 02:00:43,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:43,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:43,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:00:43,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-09 02:00:44,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133158980] [2025-03-09 02:00:44,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596595033] [2025-03-09 02:00:44,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596595033] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:44,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:44,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:00:44,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632622144] [2025-03-09 02:00:44,206 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:44,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:44,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:44,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:44,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:44,207 INFO L87 Difference]: Start difference. First operand 438 states and 568 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:44,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:44,647 INFO L93 Difference]: Finished difference Result 458 states and 590 transitions. [2025-03-09 02:00:44,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:00:44,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 82 [2025-03-09 02:00:44,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:44,649 INFO L225 Difference]: With dead ends: 458 [2025-03-09 02:00:44,649 INFO L226 Difference]: Without dead ends: 454 [2025-03-09 02:00:44,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:00:44,650 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 159 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:44,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 311 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:00:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2025-03-09 02:00:44,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 436. [2025-03-09 02:00:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 361 states have (on average 1.3213296398891967) internal successors, (477), 391 states have internal predecessors, (477), 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 02:00:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 561 transitions. [2025-03-09 02:00:44,668 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 561 transitions. Word has length 82 [2025-03-09 02:00:44,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:44,668 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 561 transitions. [2025-03-09 02:00:44,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-03-09 02:00:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 561 transitions. [2025-03-09 02:00:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-09 02:00:44,669 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:44,669 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:44,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:44,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:44,870 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:44,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:44,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1994801217, now seen corresponding path program 1 times [2025-03-09 02:00:44,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118174631] [2025-03-09 02:00:44,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:44,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:00:44,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:00:44,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:44,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-09 02:00:44,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:44,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118174631] [2025-03-09 02:00:44,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118174631] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:44,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274856642] [2025-03-09 02:00:44,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:44,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:44,938 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 02:00:44,940 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 02:00:44,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-09 02:00:44,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-09 02:00:44,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:44,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:44,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:00:44,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:45,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:45,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274856642] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:45,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:45,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-09 02:00:45,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596532440] [2025-03-09 02:00:45,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:45,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:45,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:45,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:45,167 INFO L87 Difference]: Start difference. First operand 436 states and 561 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 02:00:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:45,321 INFO L93 Difference]: Finished difference Result 446 states and 572 transitions. [2025-03-09 02:00:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:45,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 87 [2025-03-09 02:00:45,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:45,323 INFO L225 Difference]: With dead ends: 446 [2025-03-09 02:00:45,323 INFO L226 Difference]: Without dead ends: 445 [2025-03-09 02:00:45,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:00:45,323 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:45,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 86 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2025-03-09 02:00:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2025-03-09 02:00:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 368 states have (on average 1.315217391304348) internal successors, (484), 398 states have internal predecessors, (484), 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 02:00:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 570 transitions. [2025-03-09 02:00:45,345 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 570 transitions. Word has length 87 [2025-03-09 02:00:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:45,345 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 570 transitions. [2025-03-09 02:00:45,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 02:00:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 570 transitions. [2025-03-09 02:00:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:00:45,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:45,346 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:45,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:45,546 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,SelfDestructingSolverStorable33 [2025-03-09 02:00:45,547 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:45,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:45,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1709295557, now seen corresponding path program 1 times [2025-03-09 02:00:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:45,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858078550] [2025-03-09 02:00:45,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:45,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:45,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:00:45,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:00:45,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:45,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-03-09 02:00:45,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858078550] [2025-03-09 02:00:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858078550] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254429182] [2025-03-09 02:00:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:45,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:45,625 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:45,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:00:45,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:00:45,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:00:45,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:45,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:45,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:00:45,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:45,824 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:00:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254429182] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:00:45,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:45,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-03-09 02:00:45,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002166281] [2025-03-09 02:00:45,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:00:45,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:00:45,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:45,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:00:45,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:45,825 INFO L87 Difference]: Start difference. First operand 444 states and 570 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 02:00:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:45,952 INFO L93 Difference]: Finished difference Result 446 states and 571 transitions. [2025-03-09 02:00:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:00:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 88 [2025-03-09 02:00:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:45,954 INFO L225 Difference]: With dead ends: 446 [2025-03-09 02:00:45,954 INFO L226 Difference]: Without dead ends: 416 [2025-03-09 02:00:45,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:45,954 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 10 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:45,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 87 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:45,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-03-09 02:00:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2025-03-09 02:00:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 343 states have (on average 1.3323615160349853) internal successors, (457), 373 states have internal predecessors, (457), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:00:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 537 transitions. [2025-03-09 02:00:45,972 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 537 transitions. Word has length 88 [2025-03-09 02:00:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:45,972 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 537 transitions. [2025-03-09 02:00:45,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 02:00:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 537 transitions. [2025-03-09 02:00:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:00:45,973 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:45,973 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:45,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-09 02:00:46,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:46,174 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:46,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:46,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1238975497, now seen corresponding path program 1 times [2025-03-09 02:00:46,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:46,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302052861] [2025-03-09 02:00:46,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:46,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:46,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:00:46,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:00:46,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:46,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:46,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:46,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302052861] [2025-03-09 02:00:46,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302052861] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:46,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857833731] [2025-03-09 02:00:46,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:46,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:46,239 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:46,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:00:46,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:00:46,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:00:46,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:46,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:46,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:00:46,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:46,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:46,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857833731] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:46,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:46,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-03-09 02:00:46,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553803397] [2025-03-09 02:00:46,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:46,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:00:46,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:46,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:00:46,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:00:46,509 INFO L87 Difference]: Start difference. First operand 416 states and 537 transitions. Second operand has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-03-09 02:00:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:46,841 INFO L93 Difference]: Finished difference Result 430 states and 550 transitions. [2025-03-09 02:00:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:00:46,841 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 91 [2025-03-09 02:00:46,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:46,842 INFO L225 Difference]: With dead ends: 430 [2025-03-09 02:00:46,842 INFO L226 Difference]: Without dead ends: 429 [2025-03-09 02:00:46,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:00:46,843 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 664 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:46,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 429 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-03-09 02:00:46,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 415. [2025-03-09 02:00:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 343 states have (on average 1.3265306122448979) internal successors, (455), 372 states have internal predecessors, (455), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:00:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 535 transitions. [2025-03-09 02:00:46,862 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 535 transitions. Word has length 91 [2025-03-09 02:00:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:46,862 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 535 transitions. [2025-03-09 02:00:46,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.076923076923077) internal successors, (157), 14 states have internal predecessors, (157), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-03-09 02:00:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 535 transitions. [2025-03-09 02:00:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:00:46,863 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:46,863 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:46,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:47,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:47,064 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:47,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash -848718937, now seen corresponding path program 1 times [2025-03-09 02:00:47,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:47,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15623082] [2025-03-09 02:00:47,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:47,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:00:47,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:00:47,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:47,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15623082] [2025-03-09 02:00:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15623082] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202466443] [2025-03-09 02:00:47,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:47,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:47,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:47,113 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:47,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-09 02:00:47,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:00:47,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:00:47,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:47,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:47,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:00:47,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:47,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:47,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202466443] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:47,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:47,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:00:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466836275] [2025-03-09 02:00:47,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:47,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:00:47,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:47,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:00:47,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:47,349 INFO L87 Difference]: Start difference. First operand 415 states and 535 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-03-09 02:00:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:47,570 INFO L93 Difference]: Finished difference Result 417 states and 535 transitions. [2025-03-09 02:00:47,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:00:47,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 91 [2025-03-09 02:00:47,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:47,572 INFO L225 Difference]: With dead ends: 417 [2025-03-09 02:00:47,572 INFO L226 Difference]: Without dead ends: 416 [2025-03-09 02:00:47,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:00:47,572 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 386 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:47,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 274 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:00:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-03-09 02:00:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2025-03-09 02:00:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 343 states have (on average 1.314868804664723) internal successors, (451), 371 states have internal predecessors, (451), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:00:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 531 transitions. [2025-03-09 02:00:47,590 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 531 transitions. Word has length 91 [2025-03-09 02:00:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:47,590 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 531 transitions. [2025-03-09 02:00:47,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-03-09 02:00:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 531 transitions. [2025-03-09 02:00:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:00:47,591 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:47,591 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:47,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:47,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:00:47,795 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:47,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:47,795 INFO L85 PathProgramCache]: Analyzing trace with hash -540441529, now seen corresponding path program 1 times [2025-03-09 02:00:47,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:47,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332570335] [2025-03-09 02:00:47,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:47,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:00:47,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:00:47,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:47,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:47,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332570335] [2025-03-09 02:00:47,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332570335] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129984879] [2025-03-09 02:00:47,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:47,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:47,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:47,849 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:47,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-09 02:00:47,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:00:47,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:00:47,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:47,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:47,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:47,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:47,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:48,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129984879] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:48,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:48,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-03-09 02:00:48,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149949440] [2025-03-09 02:00:48,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:48,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:48,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:48,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:48,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:00:48,074 INFO L87 Difference]: Start difference. First operand 414 states and 531 transitions. Second operand has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-03-09 02:00:48,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:48,409 INFO L93 Difference]: Finished difference Result 849 states and 1130 transitions. [2025-03-09 02:00:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:00:48,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 92 [2025-03-09 02:00:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:48,411 INFO L225 Difference]: With dead ends: 849 [2025-03-09 02:00:48,412 INFO L226 Difference]: Without dead ends: 847 [2025-03-09 02:00:48,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:48,413 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 207 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:48,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 268 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:48,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2025-03-09 02:00:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 607. [2025-03-09 02:00:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 516 states have (on average 1.317829457364341) internal successors, (680), 544 states have internal predecessors, (680), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-03-09 02:00:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 800 transitions. [2025-03-09 02:00:48,446 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 800 transitions. Word has length 92 [2025-03-09 02:00:48,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:48,446 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 800 transitions. [2025-03-09 02:00:48,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.571428571428573) internal successors, (158), 8 states have internal predecessors, (158), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-03-09 02:00:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 800 transitions. [2025-03-09 02:00:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 02:00:48,446 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:48,447 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:48,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:48,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-03-09 02:00:48,647 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:48,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:48,648 INFO L85 PathProgramCache]: Analyzing trace with hash -669944903, now seen corresponding path program 1 times [2025-03-09 02:00:48,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:48,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459372492] [2025-03-09 02:00:48,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:48,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:48,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:00:48,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:00:48,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:48,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:48,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:48,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459372492] [2025-03-09 02:00:48,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459372492] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:48,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825063580] [2025-03-09 02:00:48,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:48,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:48,700 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:48,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-09 02:00:48,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 02:00:48,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 02:00:48,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:48,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:48,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:00:48,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:48,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:48,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825063580] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:48,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:48,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-03-09 02:00:48,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119284854] [2025-03-09 02:00:48,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:48,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:00:48,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:48,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:00:48,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:00:48,961 INFO L87 Difference]: Start difference. First operand 607 states and 800 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-03-09 02:00:49,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:49,243 INFO L93 Difference]: Finished difference Result 1201 states and 1628 transitions. [2025-03-09 02:00:49,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:00:49,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 94 [2025-03-09 02:00:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:49,246 INFO L225 Difference]: With dead ends: 1201 [2025-03-09 02:00:49,246 INFO L226 Difference]: Without dead ends: 1199 [2025-03-09 02:00:49,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:49,247 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 279 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:49,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 246 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2025-03-09 02:00:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 918. [2025-03-09 02:00:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 796 states have (on average 1.3228643216080402) internal successors, (1053), 824 states have internal predecessors, (1053), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:00:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1235 transitions. [2025-03-09 02:00:49,295 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1235 transitions. Word has length 94 [2025-03-09 02:00:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:49,295 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1235 transitions. [2025-03-09 02:00:49,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-03-09 02:00:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1235 transitions. [2025-03-09 02:00:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:00:49,296 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:49,296 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:49,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:49,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:00:49,496 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:49,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:49,497 INFO L85 PathProgramCache]: Analyzing trace with hash 290997689, now seen corresponding path program 1 times [2025-03-09 02:00:49,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:49,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546596761] [2025-03-09 02:00:49,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:49,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:00:49,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:00:49,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:49,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514273954] [2025-03-09 02:00:49,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:49,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:49,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:49,509 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:49,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-09 02:00:49,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-09 02:00:49,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:00:49,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:49,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:49,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:00:49,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-03-09 02:00:49,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:49,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:49,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546596761] [2025-03-09 02:00:49,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:49,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514273954] [2025-03-09 02:00:49,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514273954] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:49,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:49,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:00:49,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655322662] [2025-03-09 02:00:49,999 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:50,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:00:50,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:50,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:00:50,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:00:50,000 INFO L87 Difference]: Start difference. First operand 918 states and 1235 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:50,824 INFO L93 Difference]: Finished difference Result 1053 states and 1425 transitions. [2025-03-09 02:00:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 02:00:50,824 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 96 [2025-03-09 02:00:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:50,827 INFO L225 Difference]: With dead ends: 1053 [2025-03-09 02:00:50,827 INFO L226 Difference]: Without dead ends: 1051 [2025-03-09 02:00:50,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2025-03-09 02:00:50,828 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 382 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:50,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 291 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:00:50,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2025-03-09 02:00:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1009. [2025-03-09 02:00:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 877 states have (on average 1.3249714937286203) internal successors, (1162), 905 states have internal predecessors, (1162), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2025-03-09 02:00:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1364 transitions. [2025-03-09 02:00:50,891 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1364 transitions. Word has length 96 [2025-03-09 02:00:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:50,892 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1364 transitions. [2025-03-09 02:00:50,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1364 transitions. [2025-03-09 02:00:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-09 02:00:50,892 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:50,892 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:50,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:51,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:00:51,097 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:51,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:51,097 INFO L85 PathProgramCache]: Analyzing trace with hash 596659163, now seen corresponding path program 2 times [2025-03-09 02:00:51,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:51,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388979786] [2025-03-09 02:00:51,097 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:51,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-09 02:00:51,109 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:00:51,110 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:51,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:51,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879153065] [2025-03-09 02:00:51,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:51,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:51,112 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:51,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-09 02:00:51,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-03-09 02:00:51,155 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-03-09 02:00:51,155 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:51,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:51,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:00:51,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-03-09 02:00:51,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:51,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:51,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388979786] [2025-03-09 02:00:51,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:51,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879153065] [2025-03-09 02:00:51,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879153065] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:51,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:51,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:00:51,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905809711] [2025-03-09 02:00:51,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:51,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:00:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:51,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:00:51,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:00:51,626 INFO L87 Difference]: Start difference. First operand 1009 states and 1364 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:52,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:52,383 INFO L93 Difference]: Finished difference Result 1056 states and 1420 transitions. [2025-03-09 02:00:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:00:52,383 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 96 [2025-03-09 02:00:52,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:52,386 INFO L225 Difference]: With dead ends: 1056 [2025-03-09 02:00:52,386 INFO L226 Difference]: Without dead ends: 1052 [2025-03-09 02:00:52,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:00:52,386 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 328 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:52,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 451 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:00:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2025-03-09 02:00:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1025. [2025-03-09 02:00:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 891 states have (on average 1.3209876543209877) internal successors, (1177), 919 states have internal predecessors, (1177), 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 02:00:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1383 transitions. [2025-03-09 02:00:52,433 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1383 transitions. Word has length 96 [2025-03-09 02:00:52,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:52,433 INFO L471 AbstractCegarLoop]: Abstraction has 1025 states and 1383 transitions. [2025-03-09 02:00:52,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1383 transitions. [2025-03-09 02:00:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 02:00:52,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:52,434 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:00:52,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:52,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:52,635 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:52,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:52,635 INFO L85 PathProgramCache]: Analyzing trace with hash 430993859, now seen corresponding path program 1 times [2025-03-09 02:00:52,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:52,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356836810] [2025-03-09 02:00:52,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:52,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:00:52,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:00:52,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:52,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:52,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813625760] [2025-03-09 02:00:52,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:52,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:52,667 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:52,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-09 02:00:52,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-09 02:00:52,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:00:52,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:52,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:52,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 02:00:52,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-03-09 02:00:53,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:53,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:53,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356836810] [2025-03-09 02:00:53,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:53,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813625760] [2025-03-09 02:00:53,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813625760] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:53,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:53,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:00:53,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125266505] [2025-03-09 02:00:53,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:53,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:00:53,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:53,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:00:53,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:00:53,243 INFO L87 Difference]: Start difference. First operand 1025 states and 1383 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:53,757 INFO L93 Difference]: Finished difference Result 1103 states and 1475 transitions. [2025-03-09 02:00:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:00:53,758 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 97 [2025-03-09 02:00:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:53,760 INFO L225 Difference]: With dead ends: 1103 [2025-03-09 02:00:53,761 INFO L226 Difference]: Without dead ends: 1101 [2025-03-09 02:00:53,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:00:53,761 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 345 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:53,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 207 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:00:53,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2025-03-09 02:00:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1041. [2025-03-09 02:00:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 905 states have (on average 1.3193370165745857) internal successors, (1194), 933 states have internal predecessors, (1194), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-03-09 02:00:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1404 transitions. [2025-03-09 02:00:53,816 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1404 transitions. Word has length 97 [2025-03-09 02:00:53,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:53,816 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1404 transitions. [2025-03-09 02:00:53,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-09 02:00:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1404 transitions. [2025-03-09 02:00:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 02:00:53,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:53,817 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:00:53,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:54,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-03-09 02:00:54,017 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:54,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1316564961, now seen corresponding path program 2 times [2025-03-09 02:00:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069203900] [2025-03-09 02:00:54,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:54,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-09 02:00:54,026 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:00:54,026 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:54,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:54,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344226413] [2025-03-09 02:00:54,028 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:54,030 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:54,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-09 02:00:54,054 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-09 02:00:54,071 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 02:00:54,071 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:54,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:54,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:00:54,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:54,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:54,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:54,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069203900] [2025-03-09 02:00:54,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:54,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344226413] [2025-03-09 02:00:54,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344226413] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:54,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:00:54,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:00:54,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030036474] [2025-03-09 02:00:54,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:54,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:00:54,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:54,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:00:54,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:00:54,533 INFO L87 Difference]: Start difference. First operand 1041 states and 1404 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-09 02:00:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:56,763 INFO L93 Difference]: Finished difference Result 1175 states and 1566 transitions. [2025-03-09 02:00:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:00:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 97 [2025-03-09 02:00:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:56,766 INFO L225 Difference]: With dead ends: 1175 [2025-03-09 02:00:56,766 INFO L226 Difference]: Without dead ends: 1172 [2025-03-09 02:00:56,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:00:56,767 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 365 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:56,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 425 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-09 02:00:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2025-03-09 02:00:56,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1040. [2025-03-09 02:00:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 907 states have (on average 1.310915104740904) internal successors, (1189), 934 states have internal predecessors, (1189), 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 02:00:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1395 transitions. [2025-03-09 02:00:56,820 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1395 transitions. Word has length 97 [2025-03-09 02:00:56,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:56,820 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1395 transitions. [2025-03-09 02:00:56,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-09 02:00:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1395 transitions. [2025-03-09 02:00:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-09 02:00:56,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:56,821 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:00:56,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:57,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-09 02:00:57,021 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:57,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:57,022 INFO L85 PathProgramCache]: Analyzing trace with hash 475907831, now seen corresponding path program 1 times [2025-03-09 02:00:57,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:57,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358685681] [2025-03-09 02:00:57,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:57,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-09 02:00:57,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-09 02:00:57,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:57,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:57,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742742623] [2025-03-09 02:00:57,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:57,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:57,031 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:57,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-09 02:00:57,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-09 02:00:57,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-09 02:00:57,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:57,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:57,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:00:57,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:57,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:57,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358685681] [2025-03-09 02:00:57,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742742623] [2025-03-09 02:00:57,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742742623] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:57,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:57,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:00:57,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670324532] [2025-03-09 02:00:57,384 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:57,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:00:57,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:57,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:00:57,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:00:57,385 INFO L87 Difference]: Start difference. First operand 1040 states and 1395 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 02:00:57,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:57,925 INFO L93 Difference]: Finished difference Result 1107 states and 1490 transitions. [2025-03-09 02:00:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:00:57,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 98 [2025-03-09 02:00:57,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:57,928 INFO L225 Difference]: With dead ends: 1107 [2025-03-09 02:00:57,928 INFO L226 Difference]: Without dead ends: 1103 [2025-03-09 02:00:57,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:00:57,929 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 171 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:57,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 289 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:00:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2025-03-09 02:00:57,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 930. [2025-03-09 02:00:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 813 states have (on average 1.2595325953259533) internal successors, (1024), 836 states have internal predecessors, (1024), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:00:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1206 transitions. [2025-03-09 02:00:57,979 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1206 transitions. Word has length 98 [2025-03-09 02:00:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:57,979 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1206 transitions. [2025-03-09 02:00:57,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 02:00:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1206 transitions. [2025-03-09 02:00:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-09 02:00:57,980 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:57,980 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:57,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-09 02:00:58,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-03-09 02:00:58,180 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:58,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1868240961, now seen corresponding path program 1 times [2025-03-09 02:00:58,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:58,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186808881] [2025-03-09 02:00:58,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:58,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:58,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-09 02:00:58,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:00:58,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:58,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:58,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491001583] [2025-03-09 02:00:58,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:00:58,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:58,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:58,191 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:58,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-09 02:00:58,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-09 02:00:58,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:00:58,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:00:58,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:58,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:00:58,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:58,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:58,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186808881] [2025-03-09 02:00:58,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491001583] [2025-03-09 02:00:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491001583] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:58,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:00:58,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:00:58,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244631547] [2025-03-09 02:00:58,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:58,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:00:58,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:58,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:00:58,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:00:58,578 INFO L87 Difference]: Start difference. First operand 930 states and 1206 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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 02:00:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:58,822 INFO L93 Difference]: Finished difference Result 977 states and 1264 transitions. [2025-03-09 02:00:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:00:58,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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 99 [2025-03-09 02:00:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:58,825 INFO L225 Difference]: With dead ends: 977 [2025-03-09 02:00:58,825 INFO L226 Difference]: Without dead ends: 975 [2025-03-09 02:00:58,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:00:58,826 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 72 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:58,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 241 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2025-03-09 02:00:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 944. [2025-03-09 02:00:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 825 states have (on average 1.256969696969697) internal successors, (1037), 848 states have internal predecessors, (1037), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-03-09 02:00:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1223 transitions. [2025-03-09 02:00:58,873 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1223 transitions. Word has length 99 [2025-03-09 02:00:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:58,873 INFO L471 AbstractCegarLoop]: Abstraction has 944 states and 1223 transitions. [2025-03-09 02:00:58,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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 02:00:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1223 transitions. [2025-03-09 02:00:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-09 02:00:58,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:58,874 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:58,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-03-09 02:00:59,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:59,074 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:00:59,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:59,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1796421921, now seen corresponding path program 2 times [2025-03-09 02:00:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:59,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398502094] [2025-03-09 02:00:59,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:59,078 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-09 02:00:59,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:00:59,085 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:59,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:00:59,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278362552] [2025-03-09 02:00:59,085 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:00:59,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:59,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:59,088 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:00:59,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-09 02:00:59,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-03-09 02:00:59,127 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-03-09 02:00:59,127 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:00:59,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:59,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:00:59,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:59,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:00:59,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398502094] [2025-03-09 02:00:59,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:00:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278362552] [2025-03-09 02:00:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278362552] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:59,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:00:59,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-03-09 02:00:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120703379] [2025-03-09 02:00:59,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:59,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:00:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:59,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:00:59,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:00:59,585 INFO L87 Difference]: Start difference. First operand 944 states and 1223 transitions. Second operand has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-09 02:01:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:00,983 INFO L93 Difference]: Finished difference Result 1066 states and 1370 transitions. [2025-03-09 02:01:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:01:00,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 99 [2025-03-09 02:01:00,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:00,986 INFO L225 Difference]: With dead ends: 1066 [2025-03-09 02:01:00,986 INFO L226 Difference]: Without dead ends: 1064 [2025-03-09 02:01:00,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:01:00,987 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 434 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:00,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 326 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-09 02:01:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2025-03-09 02:01:01,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 933. [2025-03-09 02:01:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 817 states have (on average 1.2509179926560587) internal successors, (1022), 839 states have internal predecessors, (1022), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:01:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1204 transitions. [2025-03-09 02:01:01,034 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1204 transitions. Word has length 99 [2025-03-09 02:01:01,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:01,034 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1204 transitions. [2025-03-09 02:01:01,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-03-09 02:01:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1204 transitions. [2025-03-09 02:01:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 02:01:01,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:01,035 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 02:01:01,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:01,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:01,238 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:01,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:01,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2080895029, now seen corresponding path program 1 times [2025-03-09 02:01:01,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:01,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938934974] [2025-03-09 02:01:01,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:01,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:01:01,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:01:01,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:01,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:01:01,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434653833] [2025-03-09 02:01:01,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:01,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:01:01,255 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:01:01,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-09 02:01:01,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 02:01:01,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 02:01:01,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:01,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:01,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:01:01,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:01:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:01:01,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:01:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-03-09 02:01:01,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:01:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938934974] [2025-03-09 02:01:01,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:01:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434653833] [2025-03-09 02:01:01,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434653833] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-09 02:01:01,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:01:01,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-09 02:01:01,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875561242] [2025-03-09 02:01:01,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:01:01,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:01:01,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:01:01,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:01:01,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:01:01,693 INFO L87 Difference]: Start difference. First operand 933 states and 1204 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 02:01:01,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:01,998 INFO L93 Difference]: Finished difference Result 933 states and 1204 transitions. [2025-03-09 02:01:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:01:01,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 100 [2025-03-09 02:01:01,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:02,001 INFO L225 Difference]: With dead ends: 933 [2025-03-09 02:01:02,001 INFO L226 Difference]: Without dead ends: 932 [2025-03-09 02:01:02,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:01:02,002 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 80 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:02,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 106 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:01:02,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2025-03-09 02:01:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2025-03-09 02:01:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 817 states have (on average 1.2301101591187271) internal successors, (1005), 838 states have internal predecessors, (1005), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:01:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1187 transitions. [2025-03-09 02:01:02,058 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1187 transitions. Word has length 100 [2025-03-09 02:01:02,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:02,058 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1187 transitions. [2025-03-09 02:01:02,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 02:01:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1187 transitions. [2025-03-09 02:01:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 02:01:02,059 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:02,059 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:01:02,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:02,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-09 02:01:02,259 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:02,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash 870107706, now seen corresponding path program 1 times [2025-03-09 02:01:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:02,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802034868] [2025-03-09 02:01:02,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:02,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:01:02,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:01:02,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:02,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:01:02,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:01:02,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802034868] [2025-03-09 02:01:02,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802034868] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:01:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549816556] [2025-03-09 02:01:02,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:02,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:01:02,335 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:01:02,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-09 02:01:02,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 02:01:02,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 02:01:02,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:02,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:02,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:01:02,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:01:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:01:02,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:01:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:01:02,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549816556] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:01:02,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:01:02,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-09 02:01:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451873887] [2025-03-09 02:01:02,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:01:02,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:01:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:01:02,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:01:02,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:01:02,483 INFO L87 Difference]: Start difference. First operand 932 states and 1187 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:01:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:02,956 INFO L93 Difference]: Finished difference Result 934 states and 1189 transitions. [2025-03-09 02:01:02,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:01:02,956 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 102 [2025-03-09 02:01:02,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:02,959 INFO L225 Difference]: With dead ends: 934 [2025-03-09 02:01:02,959 INFO L226 Difference]: Without dead ends: 933 [2025-03-09 02:01:02,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:01:02,959 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 117 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:02,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 118 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:01:02,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2025-03-09 02:01:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 931. [2025-03-09 02:01:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 817 states have (on average 1.2252141982864138) internal successors, (1001), 837 states have internal predecessors, (1001), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:01:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1183 transitions. [2025-03-09 02:01:03,013 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1183 transitions. Word has length 102 [2025-03-09 02:01:03,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:03,013 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1183 transitions. [2025-03-09 02:01:03,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-09 02:01:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1183 transitions. [2025-03-09 02:01:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:01:03,013 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:03,014 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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 02:01:03,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:03,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-09 02:01:03,214 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:03,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash 83236543, now seen corresponding path program 1 times [2025-03-09 02:01:03,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:03,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246901497] [2025-03-09 02:01:03,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:03,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:03,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:01:03,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:01:03,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:03,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:01:03,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610487162] [2025-03-09 02:01:03,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:03,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:01:03,228 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:01:03,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-09 02:01:03,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:01:03,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:01:03,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:03,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:03,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 02:01:03,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:01:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-09 02:01:03,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:01:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-09 02:01:03,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:01:03,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246901497] [2025-03-09 02:01:03,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:01:03,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610487162] [2025-03-09 02:01:03,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610487162] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-09 02:01:03,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:01:03,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-09 02:01:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266365822] [2025-03-09 02:01:03,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:01:03,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:01:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:01:03,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:01:03,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:01:03,726 INFO L87 Difference]: Start difference. First operand 931 states and 1183 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 02:01:04,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:04,316 INFO L93 Difference]: Finished difference Result 931 states and 1183 transitions. [2025-03-09 02:01:04,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:01:04,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 101 [2025-03-09 02:01:04,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:04,318 INFO L225 Difference]: With dead ends: 931 [2025-03-09 02:01:04,319 INFO L226 Difference]: Without dead ends: 928 [2025-03-09 02:01:04,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:01:04,319 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 80 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:04,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 106 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:01:04,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2025-03-09 02:01:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2025-03-09 02:01:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 817 states have (on average 1.197062423500612) internal successors, (978), 834 states have internal predecessors, (978), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-03-09 02:01:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1160 transitions. [2025-03-09 02:01:04,383 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1160 transitions. Word has length 101 [2025-03-09 02:01:04,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:04,383 INFO L471 AbstractCegarLoop]: Abstraction has 928 states and 1160 transitions. [2025-03-09 02:01:04,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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 02:01:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1160 transitions. [2025-03-09 02:01:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:01:04,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:04,384 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:01:04,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:04,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-09 02:01:04,585 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:04,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1203535118, now seen corresponding path program 1 times [2025-03-09 02:01:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803807280] [2025-03-09 02:01:04,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:04,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:01:04,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:01:04,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:04,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-09 02:01:04,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:01:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803807280] [2025-03-09 02:01:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803807280] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:01:04,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:01:04,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:01:04,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555609842] [2025-03-09 02:01:04,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:01:04,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:01:04,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:01:04,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:01:04,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:01:04,633 INFO L87 Difference]: Start difference. First operand 928 states and 1160 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:01:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:05,090 INFO L93 Difference]: Finished difference Result 941 states and 1171 transitions. [2025-03-09 02:01:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:01:05,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 103 [2025-03-09 02:01:05,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:05,092 INFO L225 Difference]: With dead ends: 941 [2025-03-09 02:01:05,092 INFO L226 Difference]: Without dead ends: 929 [2025-03-09 02:01:05,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:01:05,093 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 134 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:05,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 175 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:01:05,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2025-03-09 02:01:05,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 916. [2025-03-09 02:01:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 807 states have (on average 1.190830235439901) internal successors, (961), 823 states have internal predecessors, (961), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-03-09 02:01:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1141 transitions. [2025-03-09 02:01:05,149 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1141 transitions. Word has length 103 [2025-03-09 02:01:05,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:05,149 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1141 transitions. [2025-03-09 02:01:05,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-03-09 02:01:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1141 transitions. [2025-03-09 02:01:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-09 02:01:05,150 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:05,150 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:01:05,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-03-09 02:01:05,150 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:05,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1227820891, now seen corresponding path program 2 times [2025-03-09 02:01:05,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:05,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318886662] [2025-03-09 02:01:05,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:01:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:05,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-03-09 02:01:05,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 107 of 107 statements. [2025-03-09 02:01:05,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:01:05,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:01:05,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156758216] [2025-03-09 02:01:05,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:01:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:05,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:01:05,161 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:01:05,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-09 02:01:05,185 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-03-09 02:01:05,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 107 of 107 statements. [2025-03-09 02:01:05,204 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:01:05,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:01:05,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:01:05,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:01:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-09 02:01:05,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:01:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-09 02:01:05,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:01:05,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318886662] [2025-03-09 02:01:05,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:01:05,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156758216] [2025-03-09 02:01:05,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156758216] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:01:05,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:01:05,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-09 02:01:05,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230763570] [2025-03-09 02:01:05,797 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:01:05,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:01:05,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:01:05,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:01:05,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:01:05,798 INFO L87 Difference]: Start difference. First operand 916 states and 1141 transitions. Second operand has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-03-09 02:01:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:01:06,792 INFO L93 Difference]: Finished difference Result 1105 states and 1383 transitions. [2025-03-09 02:01:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-09 02:01:06,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 107 [2025-03-09 02:01:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:01:06,795 INFO L225 Difference]: With dead ends: 1105 [2025-03-09 02:01:06,795 INFO L226 Difference]: Without dead ends: 1104 [2025-03-09 02:01:06,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2025-03-09 02:01:06,796 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 479 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:01:06,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 388 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:01:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2025-03-09 02:01:06,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 916. [2025-03-09 02:01:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 807 states have (on average 1.1883519206939281) internal successors, (959), 823 states have internal predecessors, (959), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-03-09 02:01:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1139 transitions. [2025-03-09 02:01:06,855 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1139 transitions. Word has length 107 [2025-03-09 02:01:06,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:01:06,856 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1139 transitions. [2025-03-09 02:01:06,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 14 states have internal predecessors, (129), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-03-09 02:01:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1139 transitions. [2025-03-09 02:01:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-09 02:01:06,856 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:01:06,856 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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 02:01:06,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:07,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:07,057 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-03-09 02:01:07,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:01:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1755960279, now seen corresponding path program 1 times [2025-03-09 02:01:07,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:01:07,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397009529] [2025-03-09 02:01:07,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:07,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:01:07,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 02:01:07,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:01:07,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:07,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:01:07,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185377673] [2025-03-09 02:01:07,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:01:07,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:01:07,069 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:01:07,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-09 02:01:07,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 02:01:07,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:01:07,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:07,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:01:07,113 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 02:01:07,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 02:01:07,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 02:01:07,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:01:07,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:01:07,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 02:01:07,153 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 02:01:07,153 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2025-03-09 02:01:07,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2025-03-09 02:01:07,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2025-03-09 02:01:07,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2025-03-09 02:01:07,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2025-03-09 02:01:07,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2025-03-09 02:01:07,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2025-03-09 02:01:07,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2025-03-09 02:01:07,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2025-03-09 02:01:07,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-09 02:01:07,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:01:07,359 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:01:07,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:01:07,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:01:07 BoogieIcfgContainer [2025-03-09 02:01:07,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:01:07,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:01:07,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:01:07,396 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:01:07,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:00:20" (3/4) ... [2025-03-09 02:01:07,397 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-09 02:01:07,456 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 32. [2025-03-09 02:01:07,509 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:01:07,511 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:01:07,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:01:07,511 INFO L158 Benchmark]: Toolchain (without parser) took 47711.96ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 111.4MB in the beginning and 180.6MB in the end (delta: -69.2MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,511 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.61ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 100.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.74ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: Boogie Preprocessor took 32.17ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: IcfgBuilder took 528.00ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 75.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: TraceAbstraction took 46826.29ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 74.8MB in the beginning and 71.3MB in the end (delta: 3.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,514 INFO L158 Benchmark]: Witness Printer took 114.84ms. Allocated memory is still 218.1MB. Free memory was 71.3MB in the beginning and 180.6MB in the end (delta: -109.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:01:07,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.61ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 100.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.74ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.17ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 528.00ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 75.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 46826.29ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 74.8MB in the beginning and 71.3MB in the end (delta: 3.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 114.84ms. Allocated memory is still 218.1MB. Free memory was 71.3MB in the beginning and 180.6MB in the end (delta: -109.3MB). 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 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int a, b, p, q, r, s; [L20] int x, y; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L23] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L23] RET assume_abort_if_not(x >= 1) VAL [x=1073741824, y=1073741825] [L24] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L24] RET assume_abort_if_not(y >= 1) VAL [x=1073741824, y=1073741825] [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L41] COND FALSE !(a > b) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L46] EXPR b - a [L46] b = b - a VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L47] EXPR q - p [L47] q = q - p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L48] EXPR s - r [L48] s = s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] COND TRUE a > b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L42] EXPR a - b [L42] a = a - b VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L43] EXPR p - q [L43] p = p - q VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L44] EXPR r - s [L44] r = r - s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] y * r VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] x * p VAL [a=1073741823, b=1, q=-1, r=-1, s=1, y=1073741825] - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 160 edges, 56 error locations. Started 1 CEGAR loops. OverallTime: 46.7s, OverallIterations: 52, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10511 SdHoareTripleChecker+Valid, 16.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10250 mSDsluCounter, 11092 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7391 mSDsCounter, 810 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20827 IncrementalHoareTripleChecker+Invalid, 21637 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 810 mSolverCounterUnsat, 3701 mSDtfsCounter, 20827 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4431 GetRequests, 4008 SyntacticMatches, 7 SemanticMatches, 416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1041occurred in iteration=42, InterpolantAutomatonStates: 367, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 51 MinimizatonAttempts, 2872 StatesRemovedByMinimization, 44 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 6619 NumberOfCodeBlocks, 6619 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 5134 ConstructedInterpolants, 0 QuantifiedInterpolants, 29365 SizeOfPredicates, 60 NumberOfNonLiveVariables, 6579 ConjunctsInSsa, 406 ConjunctsInUnsatCore, 73 InterpolantComputations, 26 PerfectInterpolantSequences, 3131/4042 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 RESULT: Ultimate proved your program to be incorrect! [2025-03-09 02:01:07,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)