./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.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 d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:51:09,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:51:09,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:51:09,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:51:09,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:51:09,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:51:09,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:51:09,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:51:09,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:51:09,882 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:51:09,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:51:09,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:51:09,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:51:09,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:51:09,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:51:09,884 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:51:09,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:09,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:51:09,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:51:09,885 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 -> d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f [2025-03-04 10:51:10,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:51:10,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:51:10,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:51:10,103 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:51:10,104 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:51:10,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2025-03-04 10:51:11,210 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaca4066/97ee132729c84f8dac8ebfb815b395c1/FLAG7571eddbe [2025-03-04 10:51:11,426 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:51:11,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2025-03-04 10:51:11,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaca4066/97ee132729c84f8dac8ebfb815b395c1/FLAG7571eddbe [2025-03-04 10:51:11,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aaca4066/97ee132729c84f8dac8ebfb815b395c1 [2025-03-04 10:51:11,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:51:11,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:51:11,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:11,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:51:11,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:51:11,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf8b581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11, skipping insertion in model container [2025-03-04 10:51:11,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:51:11,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:11,909 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:51:11,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:11,936 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:51:11,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11 WrapperNode [2025-03-04 10:51:11,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:11,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:11,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:51:11,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:51:11,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,962 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-03-04 10:51:11,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:11,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:51:11,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:51:11,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:51:11,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,976 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 10:51:11,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:51:11,980 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:51:11,980 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:51:11,981 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:51:11,981 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (1/1) ... [2025-03-04 10:51:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:11,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:12,012 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) [2025-03-04 10:51:12,014 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 [2025-03-04 10:51:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:51:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:51:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:51:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:51:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:51:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:51:12,072 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:51:12,073 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:51:12,417 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2025-03-04 10:51:12,418 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:51:12,432 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:51:12,433 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:51:12,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:12 BoogieIcfgContainer [2025-03-04 10:51:12,433 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:51:12,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:51:12,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:51:12,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:51:12,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:51:11" (1/3) ... [2025-03-04 10:51:12,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4609026d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:12, skipping insertion in model container [2025-03-04 10:51:12,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:11" (2/3) ... [2025-03-04 10:51:12,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4609026d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:12, skipping insertion in model container [2025-03-04 10:51:12,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:12" (3/3) ... [2025-03-04 10:51:12,441 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound10.c [2025-03-04 10:51:12,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:51:12,453 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound10.c that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-04 10:51:12,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:51:12,501 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;@704b4f0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:51:12,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-04 10:51:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 10:51:12,507 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:12,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 10:51:12,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:12,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:12,512 INFO L85 PathProgramCache]: Analyzing trace with hash 163813, now seen corresponding path program 1 times [2025-03-04 10:51:12,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919138133] [2025-03-04 10:51:12,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:12,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:12,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 10:51:12,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 10:51:12,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:12,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:12,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919138133] [2025-03-04 10:51:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919138133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:12,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:12,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620417893] [2025-03-04 10:51:12,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:12,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:12,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:12,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:12,657 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:12,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:12,795 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2025-03-04 10:51:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:12,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-04 10:51:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:12,802 INFO L225 Difference]: With dead ends: 264 [2025-03-04 10:51:12,802 INFO L226 Difference]: Without dead ends: 128 [2025-03-04 10:51:12,805 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 [2025-03-04 10:51:12,807 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:12,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-04 10:51:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-04 10:51:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-03-04 10:51:12,834 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2025-03-04 10:51:12,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:12,835 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-03-04 10:51:12,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-03-04 10:51:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-04 10:51:12,839 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:12,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-04 10:51:12,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:51:12,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:12,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:12,840 INFO L85 PathProgramCache]: Analyzing trace with hash 5078303, now seen corresponding path program 1 times [2025-03-04 10:51:12,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:12,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476166125] [2025-03-04 10:51:12,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:12,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:12,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 10:51:12,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 10:51:12,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:12,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476166125] [2025-03-04 10:51:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476166125] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:12,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:12,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:12,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661795700] [2025-03-04 10:51:12,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:12,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:12,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:12,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:12,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:12,887 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:12,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:12,999 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2025-03-04 10:51:12,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:13,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-04 10:51:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,002 INFO L225 Difference]: With dead ends: 128 [2025-03-04 10:51:13,002 INFO L226 Difference]: Without dead ends: 124 [2025-03-04 10:51:13,002 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 [2025-03-04 10:51:13,002 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:13,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-04 10:51:13,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-03-04 10:51:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2025-03-04 10:51:13,009 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2025-03-04 10:51:13,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,012 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2025-03-04 10:51:13,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2025-03-04 10:51:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 10:51:13,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,012 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 10:51:13,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:51:13,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:13,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:13,014 INFO L85 PathProgramCache]: Analyzing trace with hash 157427491, now seen corresponding path program 1 times [2025-03-04 10:51:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:13,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505011314] [2025-03-04 10:51:13,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:13,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 10:51:13,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 10:51:13,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:13,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:13,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505011314] [2025-03-04 10:51:13,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505011314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:13,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:13,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:13,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948785783] [2025-03-04 10:51:13,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:13,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:13,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:13,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:13,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,056 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:13,170 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2025-03-04 10:51:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-04 10:51:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,173 INFO L225 Difference]: With dead ends: 124 [2025-03-04 10:51:13,174 INFO L226 Difference]: Without dead ends: 123 [2025-03-04 10:51:13,174 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 [2025-03-04 10:51:13,174 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-04 10:51:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-04 10:51:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-03-04 10:51:13,179 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2025-03-04 10:51:13,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,179 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-03-04 10:51:13,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-03-04 10:51:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 10:51:13,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,179 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 10:51:13,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:51:13,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:13,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash 585285021, now seen corresponding path program 1 times [2025-03-04 10:51:13,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948985199] [2025-03-04 10:51:13,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:13,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 10:51:13,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 10:51:13,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:13,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:13,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948985199] [2025-03-04 10:51:13,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948985199] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:13,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:13,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091385330] [2025-03-04 10:51:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:13,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:13,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:13,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:13,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,206 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:13,319 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-03-04 10:51:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:13,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-04 10:51:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,320 INFO L225 Difference]: With dead ends: 123 [2025-03-04 10:51:13,320 INFO L226 Difference]: Without dead ends: 122 [2025-03-04 10:51:13,321 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 [2025-03-04 10:51:13,321 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-04 10:51:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-04 10:51:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-04 10:51:13,331 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2025-03-04 10:51:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,331 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-04 10:51:13,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-04 10:51:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 10:51:13,332 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:13,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:51:13,332 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:13,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:13,332 INFO L85 PathProgramCache]: Analyzing trace with hash -181807589, now seen corresponding path program 1 times [2025-03-04 10:51:13,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:13,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202724843] [2025-03-04 10:51:13,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:13,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 10:51:13,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 10:51:13,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202724843] [2025-03-04 10:51:13,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202724843] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:13,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:13,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328442107] [2025-03-04 10:51:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:13,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:13,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:13,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:13,381 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:13,413 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2025-03-04 10:51:13,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:13,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-04 10:51:13,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,414 INFO L225 Difference]: With dead ends: 170 [2025-03-04 10:51:13,414 INFO L226 Difference]: Without dead ends: 126 [2025-03-04 10:51:13,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:13,415 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 4 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 351 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-04 10:51:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-04 10:51:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 123 states have internal predecessors, (126), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2025-03-04 10:51:13,421 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 8 [2025-03-04 10:51:13,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,421 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2025-03-04 10:51:13,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2025-03-04 10:51:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-04 10:51:13,421 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,421 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:13,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:51:13,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:13,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:13,422 INFO L85 PathProgramCache]: Analyzing trace with hash -276034339, now seen corresponding path program 1 times [2025-03-04 10:51:13,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:13,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438087861] [2025-03-04 10:51:13,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:13,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:13,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:13,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:13,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752214614] [2025-03-04 10:51:13,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:13,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:13,439 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) [2025-03-04 10:51:13,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:51:13,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:13,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:13,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:13,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:13,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:13,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:13,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:13,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438087861] [2025-03-04 10:51:13,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:13,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752214614] [2025-03-04 10:51:13,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752214614] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:13,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:13,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:13,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962009944] [2025-03-04 10:51:13,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:13,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:13,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:13,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:13,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,500 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:13,579 INFO L93 Difference]: Finished difference Result 194 states and 199 transitions. [2025-03-04 10:51:13,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:13,579 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-04 10:51:13,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,581 INFO L225 Difference]: With dead ends: 194 [2025-03-04 10:51:13,581 INFO L226 Difference]: Without dead ends: 188 [2025-03-04 10:51:13,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,582 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 221 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-03-04 10:51:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 150. [2025-03-04 10:51:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.690721649484536) internal successors, (164), 146 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 168 transitions. [2025-03-04 10:51:13,596 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 168 transitions. Word has length 11 [2025-03-04 10:51:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,596 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 168 transitions. [2025-03-04 10:51:13,596 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 168 transitions. [2025-03-04 10:51:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 10:51:13,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:13,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:51:13,800 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,SelfDestructingSolverStorable5 [2025-03-04 10:51:13,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:13,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1018975259, now seen corresponding path program 1 times [2025-03-04 10:51:13,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:13,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121463183] [2025-03-04 10:51:13,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:13,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:13,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:13,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:13,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261243790] [2025-03-04 10:51:13,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:13,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:13,813 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) [2025-03-04 10:51:13,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:51:13,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:13,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:13,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:13,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:13,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:13,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:13,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:13,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:13,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121463183] [2025-03-04 10:51:13,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:13,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261243790] [2025-03-04 10:51:13,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261243790] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:13,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:13,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392596217] [2025-03-04 10:51:13,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:13,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:13,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:13,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:13,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,858 INFO L87 Difference]: Start difference. First operand 150 states and 168 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:13,898 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2025-03-04 10:51:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:13,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-04 10:51:13,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:13,899 INFO L225 Difference]: With dead ends: 256 [2025-03-04 10:51:13,899 INFO L226 Difference]: Without dead ends: 250 [2025-03-04 10:51:13,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:13,900 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 94 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:13,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 219 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-04 10:51:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 202. [2025-03-04 10:51:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6891891891891893) internal successors, (250), 197 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 256 transitions. [2025-03-04 10:51:13,911 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 256 transitions. Word has length 13 [2025-03-04 10:51:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:13,912 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 256 transitions. [2025-03-04 10:51:13,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2025-03-04 10:51:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:51:13,912 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:13,912 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:13,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 10:51:14,115 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,SelfDestructingSolverStorable6 [2025-03-04 10:51:14,117 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:14,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:14,117 INFO L85 PathProgramCache]: Analyzing trace with hash -17317031, now seen corresponding path program 1 times [2025-03-04 10:51:14,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:14,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940536261] [2025-03-04 10:51:14,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:14,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:14,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:14,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:14,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:14,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269860785] [2025-03-04 10:51:14,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:14,131 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) [2025-03-04 10:51:14,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:51:14,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:14,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:14,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:14,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:14,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:14,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:14,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:14,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:14,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940536261] [2025-03-04 10:51:14,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:14,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269860785] [2025-03-04 10:51:14,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269860785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:14,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:14,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063358601] [2025-03-04 10:51:14,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:14,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:14,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:14,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:14,186 INFO L87 Difference]: Start difference. First operand 202 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:14,321 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2025-03-04 10:51:14,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:14,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 10:51:14,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:14,322 INFO L225 Difference]: With dead ends: 294 [2025-03-04 10:51:14,322 INFO L226 Difference]: Without dead ends: 292 [2025-03-04 10:51:14,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:14,323 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:14,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 241 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2025-03-04 10:51:14,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 203. [2025-03-04 10:51:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 198 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 256 transitions. [2025-03-04 10:51:14,329 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 256 transitions. Word has length 15 [2025-03-04 10:51:14,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:14,329 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 256 transitions. [2025-03-04 10:51:14,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 256 transitions. [2025-03-04 10:51:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 10:51:14,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:14,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:14,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:14,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:14,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:14,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:14,530 INFO L85 PathProgramCache]: Analyzing trace with hash -536827885, now seen corresponding path program 1 times [2025-03-04 10:51:14,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:14,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032934012] [2025-03-04 10:51:14,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:14,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:14,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:14,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:14,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:14,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63107836] [2025-03-04 10:51:14,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:14,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:14,539 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) [2025-03-04 10:51:14,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:51:14,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:14,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:14,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:14,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:14,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:14,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:14,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:14,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:14,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032934012] [2025-03-04 10:51:14,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:14,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63107836] [2025-03-04 10:51:14,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63107836] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:14,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:14,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:14,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308875251] [2025-03-04 10:51:14,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:14,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:14,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:14,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:14,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:14,613 INFO L87 Difference]: Start difference. First operand 203 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:14,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:14,749 INFO L93 Difference]: Finished difference Result 293 states and 355 transitions. [2025-03-04 10:51:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:14,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-03-04 10:51:14,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:14,751 INFO L225 Difference]: With dead ends: 293 [2025-03-04 10:51:14,751 INFO L226 Difference]: Without dead ends: 291 [2025-03-04 10:51:14,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:14,751 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 141 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:14,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:14,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-03-04 10:51:14,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 204. [2025-03-04 10:51:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6666666666666667) internal successors, (250), 199 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2025-03-04 10:51:14,757 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 16 [2025-03-04 10:51:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:14,757 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2025-03-04 10:51:14,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2025-03-04 10:51:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 10:51:14,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:14,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:14,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 10:51:14,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:14,962 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:14,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 538204823, now seen corresponding path program 1 times [2025-03-04 10:51:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:14,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295130689] [2025-03-04 10:51:14,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:14,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:14,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:14,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:14,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:14,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944710933] [2025-03-04 10:51:14,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:14,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:14,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:14,972 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) [2025-03-04 10:51:14,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:51:14,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:15,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:15,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:15,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:15,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:15,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:15,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:15,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295130689] [2025-03-04 10:51:15,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944710933] [2025-03-04 10:51:15,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944710933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:15,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:15,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:15,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955189158] [2025-03-04 10:51:15,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:15,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:15,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:15,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:15,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:15,020 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:15,118 INFO L93 Difference]: Finished difference Result 279 states and 299 transitions. [2025-03-04 10:51:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:15,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-03-04 10:51:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:15,120 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:15,120 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:15,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:15,120 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 194 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:15,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 264 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 204. [2025-03-04 10:51:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6466666666666667) internal successors, (247), 199 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 253 transitions. [2025-03-04 10:51:15,128 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 253 transitions. Word has length 17 [2025-03-04 10:51:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:15,128 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 253 transitions. [2025-03-04 10:51:15,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2025-03-04 10:51:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 10:51:15,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:15,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:15,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 10:51:15,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-04 10:51:15,330 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:15,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -495519599, now seen corresponding path program 1 times [2025-03-04 10:51:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:15,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039359398] [2025-03-04 10:51:15,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:15,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:15,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:15,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:15,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:15,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835099571] [2025-03-04 10:51:15,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:15,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:15,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:15,348 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) [2025-03-04 10:51:15,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:51:15,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:15,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:15,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:15,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:15,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:15,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:15,393 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:15,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:15,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039359398] [2025-03-04 10:51:15,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:15,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835099571] [2025-03-04 10:51:15,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835099571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:15,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:15,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:15,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381455589] [2025-03-04 10:51:15,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:15,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:15,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:15,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:15,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:15,394 INFO L87 Difference]: Start difference. First operand 204 states and 253 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:15,495 INFO L93 Difference]: Finished difference Result 277 states and 296 transitions. [2025-03-04 10:51:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:15,497 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-04 10:51:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:15,498 INFO L225 Difference]: With dead ends: 277 [2025-03-04 10:51:15,498 INFO L226 Difference]: Without dead ends: 275 [2025-03-04 10:51:15,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:15,498 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 191 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:15,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:15,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-03-04 10:51:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 204. [2025-03-04 10:51:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6266666666666667) internal successors, (244), 199 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 250 transitions. [2025-03-04 10:51:15,505 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 250 transitions. Word has length 18 [2025-03-04 10:51:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:15,505 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 250 transitions. [2025-03-04 10:51:15,505 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 250 transitions. [2025-03-04 10:51:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 10:51:15,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:15,506 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:15,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 10:51:15,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:15,706 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:15,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1818761685, now seen corresponding path program 1 times [2025-03-04 10:51:15,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:15,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379420341] [2025-03-04 10:51:15,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:15,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:15,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:15,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:15,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:15,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16005621] [2025-03-04 10:51:15,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:15,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:15,716 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) [2025-03-04 10:51:15,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:51:15,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:15,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:15,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:15,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:15,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:15,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:15,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:15,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:15,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379420341] [2025-03-04 10:51:15,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:15,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16005621] [2025-03-04 10:51:15,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16005621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:15,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:15,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:15,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449417389] [2025-03-04 10:51:15,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:15,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:15,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:15,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:15,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:15,809 INFO L87 Difference]: Start difference. First operand 204 states and 250 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:15,976 INFO L93 Difference]: Finished difference Result 292 states and 341 transitions. [2025-03-04 10:51:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:15,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-03-04 10:51:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:15,978 INFO L225 Difference]: With dead ends: 292 [2025-03-04 10:51:15,978 INFO L226 Difference]: Without dead ends: 290 [2025-03-04 10:51:15,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:15,979 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 216 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:15,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 282 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-03-04 10:51:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 207. [2025-03-04 10:51:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.607843137254902) internal successors, (246), 202 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 252 transitions. [2025-03-04 10:51:15,984 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 252 transitions. Word has length 19 [2025-03-04 10:51:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:15,984 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 252 transitions. [2025-03-04 10:51:15,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 252 transitions. [2025-03-04 10:51:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 10:51:15,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:15,985 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:15,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:16,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:16,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:16,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:16,189 INFO L85 PathProgramCache]: Analyzing trace with hash 547037455, now seen corresponding path program 1 times [2025-03-04 10:51:16,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:16,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827814858] [2025-03-04 10:51:16,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:16,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:16,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:16,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:16,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:16,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673104766] [2025-03-04 10:51:16,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:16,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:16,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:16,202 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) [2025-03-04 10:51:16,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:51:16,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:16,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:16,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:16,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:16,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:16,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:16,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:16,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:16,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827814858] [2025-03-04 10:51:16,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:16,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673104766] [2025-03-04 10:51:16,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673104766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:16,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:16,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:16,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889921514] [2025-03-04 10:51:16,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:16,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:16,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:16,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:16,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:16,289 INFO L87 Difference]: Start difference. First operand 207 states and 252 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:16,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:16,458 INFO L93 Difference]: Finished difference Result 291 states and 339 transitions. [2025-03-04 10:51:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-03-04 10:51:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:16,459 INFO L225 Difference]: With dead ends: 291 [2025-03-04 10:51:16,459 INFO L226 Difference]: Without dead ends: 289 [2025-03-04 10:51:16,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:16,460 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 214 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:16,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 285 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-03-04 10:51:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 208. [2025-03-04 10:51:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5974025974025974) internal successors, (246), 203 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 252 transitions. [2025-03-04 10:51:16,467 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 252 transitions. Word has length 20 [2025-03-04 10:51:16,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:16,467 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 252 transitions. [2025-03-04 10:51:16,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 252 transitions. [2025-03-04 10:51:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-04 10:51:16,468 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:16,468 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:16,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:16,668 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,SelfDestructingSolverStorable12 [2025-03-04 10:51:16,668 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:16,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash -221708013, now seen corresponding path program 1 times [2025-03-04 10:51:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:16,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006105719] [2025-03-04 10:51:16,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:16,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:16,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:16,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:16,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:16,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636556224] [2025-03-04 10:51:16,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:16,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:16,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:16,686 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) [2025-03-04 10:51:16,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:51:16,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:16,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:16,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:16,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:16,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:16,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:16,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:16,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:16,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006105719] [2025-03-04 10:51:16,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:16,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636556224] [2025-03-04 10:51:16,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636556224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:16,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:16,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:16,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304656463] [2025-03-04 10:51:16,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:16,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:16,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:16,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:16,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:16,797 INFO L87 Difference]: Start difference. First operand 208 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:17,015 INFO L93 Difference]: Finished difference Result 279 states and 337 transitions. [2025-03-04 10:51:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:17,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-03-04 10:51:17,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:17,016 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:17,016 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:17,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:17,016 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 284 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:17,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 216 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:17,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 209. [2025-03-04 10:51:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5870967741935484) internal successors, (246), 204 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2025-03-04 10:51:17,021 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 21 [2025-03-04 10:51:17,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:17,021 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2025-03-04 10:51:17,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2025-03-04 10:51:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 10:51:17,022 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:17,022 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:17,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:17,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 10:51:17,222 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:17,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1716986253, now seen corresponding path program 1 times [2025-03-04 10:51:17,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:17,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645347899] [2025-03-04 10:51:17,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:17,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:17,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:17,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:17,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:17,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785516566] [2025-03-04 10:51:17,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:17,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:17,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:17,241 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) [2025-03-04 10:51:17,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:51:17,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:17,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:17,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:17,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:17,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:17,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:17,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:17,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:17,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645347899] [2025-03-04 10:51:17,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:17,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785516566] [2025-03-04 10:51:17,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785516566] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:17,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:17,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:17,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699607403] [2025-03-04 10:51:17,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:17,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:17,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:17,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:17,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:17,365 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:17,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:17,568 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2025-03-04 10:51:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-03-04 10:51:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:17,569 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:17,569 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:17,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:17,571 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 369 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:17,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 201 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:17,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 210. [2025-03-04 10:51:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 205 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 252 transitions. [2025-03-04 10:51:17,576 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 252 transitions. Word has length 22 [2025-03-04 10:51:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:17,576 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 252 transitions. [2025-03-04 10:51:17,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 252 transitions. [2025-03-04 10:51:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 10:51:17,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:17,577 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:17,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:17,781 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,SelfDestructingSolverStorable14 [2025-03-04 10:51:17,781 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:17,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:17,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1971996559, now seen corresponding path program 1 times [2025-03-04 10:51:17,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:17,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297840382] [2025-03-04 10:51:17,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:17,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:17,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:17,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:17,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:17,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803758862] [2025-03-04 10:51:17,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:17,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:17,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:17,794 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) [2025-03-04 10:51:17,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:51:17,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:17,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:17,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:17,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:17,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:17,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:17,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:17,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:17,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297840382] [2025-03-04 10:51:17,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:17,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803758862] [2025-03-04 10:51:17,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803758862] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:17,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:17,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743953315] [2025-03-04 10:51:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:17,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:17,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:17,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:17,952 INFO L87 Difference]: Start difference. First operand 210 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:18,235 INFO L93 Difference]: Finished difference Result 271 states and 333 transitions. [2025-03-04 10:51:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:18,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-04 10:51:18,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:18,238 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:18,238 INFO L226 Difference]: Without dead ends: 267 [2025-03-04 10:51:18,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:18,238 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 279 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:18,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 146 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-04 10:51:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 211. [2025-03-04 10:51:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 159 states have (on average 1.5471698113207548) internal successors, (246), 206 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 252 transitions. [2025-03-04 10:51:18,252 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 252 transitions. Word has length 25 [2025-03-04 10:51:18,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:18,252 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 252 transitions. [2025-03-04 10:51:18,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 252 transitions. [2025-03-04 10:51:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 10:51:18,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:18,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:18,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:18,457 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,SelfDestructingSolverStorable15 [2025-03-04 10:51:18,457 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:18,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:18,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1002351241, now seen corresponding path program 1 times [2025-03-04 10:51:18,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:18,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405973091] [2025-03-04 10:51:18,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:18,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:18,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:18,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:18,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:18,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:18,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391144629] [2025-03-04 10:51:18,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:18,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:18,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:18,466 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) [2025-03-04 10:51:18,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:51:18,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:18,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:18,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:18,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:18,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:18,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:18,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:18,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:18,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405973091] [2025-03-04 10:51:18,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:18,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391144629] [2025-03-04 10:51:18,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391144629] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:18,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:18,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000207192] [2025-03-04 10:51:18,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:18,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:18,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:18,641 INFO L87 Difference]: Start difference. First operand 211 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:18,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:18,932 INFO L93 Difference]: Finished difference Result 269 states and 327 transitions. [2025-03-04 10:51:18,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:18,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-04 10:51:18,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:18,933 INFO L225 Difference]: With dead ends: 269 [2025-03-04 10:51:18,933 INFO L226 Difference]: Without dead ends: 265 [2025-03-04 10:51:18,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:18,934 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 257 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:18,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 151 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:18,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-03-04 10:51:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210. [2025-03-04 10:51:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.525) internal successors, (244), 205 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2025-03-04 10:51:18,951 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 26 [2025-03-04 10:51:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:18,951 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2025-03-04 10:51:18,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2025-03-04 10:51:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-04 10:51:18,952 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:18,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:18,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:19,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 10:51:19,152 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:19,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:19,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1008117453, now seen corresponding path program 1 times [2025-03-04 10:51:19,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:19,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627006396] [2025-03-04 10:51:19,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:19,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:19,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 10:51:19,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 10:51:19,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:19,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:19,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:19,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627006396] [2025-03-04 10:51:19,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627006396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:19,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:19,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:19,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120437893] [2025-03-04 10:51:19,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:19,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:19,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:19,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:19,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:19,218 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:19,391 INFO L93 Difference]: Finished difference Result 235 states and 281 transitions. [2025-03-04 10:51:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:19,391 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-03-04 10:51:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:19,392 INFO L225 Difference]: With dead ends: 235 [2025-03-04 10:51:19,392 INFO L226 Difference]: Without dead ends: 233 [2025-03-04 10:51:19,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:19,393 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 92 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:19,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 156 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-04 10:51:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 211. [2025-03-04 10:51:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.515527950310559) internal successors, (244), 206 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 250 transitions. [2025-03-04 10:51:19,398 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 250 transitions. Word has length 27 [2025-03-04 10:51:19,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:19,398 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 250 transitions. [2025-03-04 10:51:19,398 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2025-03-04 10:51:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 10:51:19,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:19,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:19,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 10:51:19,399 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:19,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:19,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1186870023, now seen corresponding path program 1 times [2025-03-04 10:51:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:19,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000231733] [2025-03-04 10:51:19,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:19,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 10:51:19,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 10:51:19,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:19,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:19,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:19,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000231733] [2025-03-04 10:51:19,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000231733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:19,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:19,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:19,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61501919] [2025-03-04 10:51:19,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:19,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:19,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:19,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:19,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:19,449 INFO L87 Difference]: Start difference. First operand 211 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:19,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:19,631 INFO L93 Difference]: Finished difference Result 229 states and 273 transitions. [2025-03-04 10:51:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:19,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-03-04 10:51:19,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:19,632 INFO L225 Difference]: With dead ends: 229 [2025-03-04 10:51:19,632 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:19,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:19,632 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:19,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 160 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:19,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 212. [2025-03-04 10:51:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 162 states have (on average 1.5061728395061729) internal successors, (244), 207 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 250 transitions. [2025-03-04 10:51:19,637 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 250 transitions. Word has length 28 [2025-03-04 10:51:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:19,637 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 250 transitions. [2025-03-04 10:51:19,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2025-03-04 10:51:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:51:19,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:19,638 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:19,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 10:51:19,638 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:19,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1442248241, now seen corresponding path program 1 times [2025-03-04 10:51:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:19,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446040064] [2025-03-04 10:51:19,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:19,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:51:19,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:51:19,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:19,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:19,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446040064] [2025-03-04 10:51:19,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446040064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:19,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:19,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:19,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879521743] [2025-03-04 10:51:19,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:19,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:19,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:19,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:19,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:19,695 INFO L87 Difference]: Start difference. First operand 212 states and 250 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:19,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:19,835 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2025-03-04 10:51:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:19,835 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-03-04 10:51:19,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:19,836 INFO L225 Difference]: With dead ends: 228 [2025-03-04 10:51:19,836 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:19,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:19,837 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 172 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:19,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:19,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:19,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 216. [2025-03-04 10:51:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.5) internal successors, (249), 211 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 255 transitions. [2025-03-04 10:51:19,843 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 255 transitions. Word has length 38 [2025-03-04 10:51:19,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:19,844 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 255 transitions. [2025-03-04 10:51:19,844 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 255 transitions. [2025-03-04 10:51:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-04 10:51:19,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:19,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:19,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 10:51:19,844 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:19,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1760022488, now seen corresponding path program 1 times [2025-03-04 10:51:19,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:19,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546643341] [2025-03-04 10:51:19,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:19,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:19,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 10:51:19,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 10:51:19,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:19,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:19,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:19,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546643341] [2025-03-04 10:51:19,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546643341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:19,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:19,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:19,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372238503] [2025-03-04 10:51:19,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:19,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:19,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:19,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:19,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:19,888 INFO L87 Difference]: Start difference. First operand 216 states and 255 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:19,973 INFO L93 Difference]: Finished difference Result 216 states and 255 transitions. [2025-03-04 10:51:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:19,973 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-03-04 10:51:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:19,974 INFO L225 Difference]: With dead ends: 216 [2025-03-04 10:51:19,974 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 10:51:19,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:19,975 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 68 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:19,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 10:51:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-03-04 10:51:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2025-03-04 10:51:19,980 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 39 [2025-03-04 10:51:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:19,980 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2025-03-04 10:51:19,980 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2025-03-04 10:51:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:51:19,980 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:19,980 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:19,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 10:51:19,980 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:19,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:19,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1317775772, now seen corresponding path program 1 times [2025-03-04 10:51:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:19,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095057676] [2025-03-04 10:51:19,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:19,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:19,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:51:19,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:51:19,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:19,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:20,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095057676] [2025-03-04 10:51:20,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095057676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:20,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:20,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:20,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763316183] [2025-03-04 10:51:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:20,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:20,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:20,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:20,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:20,023 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:20,140 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2025-03-04 10:51:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:20,140 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-03-04 10:51:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:20,141 INFO L225 Difference]: With dead ends: 215 [2025-03-04 10:51:20,141 INFO L226 Difference]: Without dead ends: 214 [2025-03-04 10:51:20,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:20,142 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 63 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 115 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 [2025-03-04 10:51:20,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 115 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-04 10:51:20,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-03-04 10:51:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4819277108433735) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-03-04 10:51:20,147 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 40 [2025-03-04 10:51:20,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:20,147 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-03-04 10:51:20,147 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-03-04 10:51:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:20,148 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:20,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:20,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 10:51:20,148 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:20,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 835504358, now seen corresponding path program 1 times [2025-03-04 10:51:20,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:20,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094246981] [2025-03-04 10:51:20,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:20,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:20,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:20,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:20,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:20,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094246981] [2025-03-04 10:51:20,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094246981] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:20,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:20,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:20,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487635018] [2025-03-04 10:51:20,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:20,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:20,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:20,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:20,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:20,185 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:20,232 INFO L93 Difference]: Finished difference Result 234 states and 274 transitions. [2025-03-04 10:51:20,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:20,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:20,233 INFO L225 Difference]: With dead ends: 234 [2025-03-04 10:51:20,233 INFO L226 Difference]: Without dead ends: 232 [2025-03-04 10:51:20,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:20,234 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:20,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 310 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-04 10:51:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2025-03-04 10:51:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4585635359116023) internal successors, (264), 224 states have internal predecessors, (264), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 270 transitions. [2025-03-04 10:51:20,239 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 270 transitions. Word has length 41 [2025-03-04 10:51:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:20,239 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 270 transitions. [2025-03-04 10:51:20,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,239 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 270 transitions. [2025-03-04 10:51:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:20,240 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:20,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:20,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 10:51:20,240 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:20,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:20,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2098623993, now seen corresponding path program 1 times [2025-03-04 10:51:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:20,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297887907] [2025-03-04 10:51:20,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:20,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:20,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:20,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:20,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:20,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:20,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297887907] [2025-03-04 10:51:20,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297887907] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:20,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:20,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:20,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878535814] [2025-03-04 10:51:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:20,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:20,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:20,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:20,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:20,304 INFO L87 Difference]: Start difference. First operand 229 states and 270 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:20,464 INFO L93 Difference]: Finished difference Result 230 states and 270 transitions. [2025-03-04 10:51:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:20,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:20,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:20,469 INFO L225 Difference]: With dead ends: 230 [2025-03-04 10:51:20,469 INFO L226 Difference]: Without dead ends: 229 [2025-03-04 10:51:20,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:20,469 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 151 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:20,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 164 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:20,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-03-04 10:51:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-03-04 10:51:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4530386740331491) internal successors, (263), 224 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 269 transitions. [2025-03-04 10:51:20,475 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 269 transitions. Word has length 41 [2025-03-04 10:51:20,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:20,475 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 269 transitions. [2025-03-04 10:51:20,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 269 transitions. [2025-03-04 10:51:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 10:51:20,476 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:20,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:20,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 10:51:20,476 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:20,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash -632834310, now seen corresponding path program 1 times [2025-03-04 10:51:20,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:20,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400561399] [2025-03-04 10:51:20,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:20,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 10:51:20,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 10:51:20,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:20,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:20,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400561399] [2025-03-04 10:51:20,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400561399] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:20,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:20,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:20,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539157301] [2025-03-04 10:51:20,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:20,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:20,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:20,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:20,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:20,517 INFO L87 Difference]: Start difference. First operand 229 states and 269 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:20,569 INFO L93 Difference]: Finished difference Result 271 states and 283 transitions. [2025-03-04 10:51:20,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:20,569 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-03-04 10:51:20,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:20,570 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:20,570 INFO L226 Difference]: Without dead ends: 269 [2025-03-04 10:51:20,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:20,571 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 62 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:20,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 307 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:20,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-03-04 10:51:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2025-03-04 10:51:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 189 states have (on average 1.4285714285714286) internal successors, (270), 232 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 276 transitions. [2025-03-04 10:51:20,577 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 276 transitions. Word has length 42 [2025-03-04 10:51:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:20,577 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 276 transitions. [2025-03-04 10:51:20,577 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 276 transitions. [2025-03-04 10:51:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 10:51:20,578 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:20,578 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:20,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-04 10:51:20,578 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:20,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:20,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1174869162, now seen corresponding path program 1 times [2025-03-04 10:51:20,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:20,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57721679] [2025-03-04 10:51:20,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:20,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:20,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:20,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:20,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:20,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:20,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57721679] [2025-03-04 10:51:20,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57721679] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:20,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997761521] [2025-03-04 10:51:20,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:20,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:20,639 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) [2025-03-04 10:51:20,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:51:20,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:20,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:20,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:20,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:20,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:20,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:20,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:20,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997761521] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:20,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:20,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-03-04 10:51:20,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962198504] [2025-03-04 10:51:20,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:20,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:20,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:20,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:20,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:20,744 INFO L87 Difference]: Start difference. First operand 237 states and 276 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:20,793 INFO L93 Difference]: Finished difference Result 237 states and 276 transitions. [2025-03-04 10:51:20,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:20,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-03-04 10:51:20,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:20,794 INFO L225 Difference]: With dead ends: 237 [2025-03-04 10:51:20,794 INFO L226 Difference]: Without dead ends: 236 [2025-03-04 10:51:20,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:20,794 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:20,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 336 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:20,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-04 10:51:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2025-03-04 10:51:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2025-03-04 10:51:20,800 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 44 [2025-03-04 10:51:20,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:20,800 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2025-03-04 10:51:20,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2025-03-04 10:51:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:51:20,800 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:20,800 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:20,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:21,004 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,SelfDestructingSolverStorable25 [2025-03-04 10:51:21,004 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:21,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:21,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2061205744, now seen corresponding path program 1 times [2025-03-04 10:51:21,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:21,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264633052] [2025-03-04 10:51:21,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:21,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:21,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:21,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:21,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:21,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:21,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:21,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264633052] [2025-03-04 10:51:21,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264633052] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:21,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487449905] [2025-03-04 10:51:21,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:21,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:21,069 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) [2025-03-04 10:51:21,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:51:21,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:21,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:21,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:21,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:21,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:21,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:21,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:21,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487449905] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:21,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:21,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-03-04 10:51:21,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426235210] [2025-03-04 10:51:21,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:21,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:21,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:21,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:21,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:21,242 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:21,344 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2025-03-04 10:51:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:21,344 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2025-03-04 10:51:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:21,346 INFO L225 Difference]: With dead ends: 651 [2025-03-04 10:51:21,346 INFO L226 Difference]: Without dead ends: 588 [2025-03-04 10:51:21,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:51:21,347 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 266 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:21,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 946 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-04 10:51:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2025-03-04 10:51:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2025-03-04 10:51:21,366 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2025-03-04 10:51:21,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:21,367 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2025-03-04 10:51:21,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2025-03-04 10:51:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 10:51:21,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:21,367 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:21,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-04 10:51:21,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:21,568 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:21,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 838799342, now seen corresponding path program 1 times [2025-03-04 10:51:21,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:21,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254620145] [2025-03-04 10:51:21,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:21,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:21,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:21,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:21,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:21,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:21,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1865959318] [2025-03-04 10:51:21,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:21,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:21,583 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) [2025-03-04 10:51:21,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:51:21,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:21,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:21,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:21,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:21,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:21,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:21,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:22,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254620145] [2025-03-04 10:51:22,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865959318] [2025-03-04 10:51:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865959318] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:22,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:22,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:22,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729601047] [2025-03-04 10:51:22,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:22,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:22,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:22,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:22,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:22,089 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:22,743 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2025-03-04 10:51:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:22,745 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2025-03-04 10:51:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:22,746 INFO L225 Difference]: With dead ends: 414 [2025-03-04 10:51:22,746 INFO L226 Difference]: Without dead ends: 410 [2025-03-04 10:51:22,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:22,747 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 219 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:22,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 347 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:51:22,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-04 10:51:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-03-04 10:51:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 360 states have (on average 1.4027777777777777) internal successors, (505), 398 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 519 transitions. [2025-03-04 10:51:22,761 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 519 transitions. Word has length 47 [2025-03-04 10:51:22,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:22,761 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 519 transitions. [2025-03-04 10:51:22,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 519 transitions. [2025-03-04 10:51:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:51:22,761 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:22,761 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:22,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-04 10:51:22,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-04 10:51:22,966 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:22,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash 232975910, now seen corresponding path program 1 times [2025-03-04 10:51:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:22,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791539044] [2025-03-04 10:51:22,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:22,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:22,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:22,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:22,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:22,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:22,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837612205] [2025-03-04 10:51:22,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:22,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:22,977 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) [2025-03-04 10:51:22,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:51:22,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:23,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:23,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:23,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:23,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:23,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:23,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:23,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:23,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791539044] [2025-03-04 10:51:23,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:23,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837612205] [2025-03-04 10:51:23,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837612205] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:23,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:23,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:23,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128653824] [2025-03-04 10:51:23,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:23,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:23,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:23,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:23,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:23,548 INFO L87 Difference]: Start difference. First operand 410 states and 519 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:23,868 INFO L93 Difference]: Finished difference Result 410 states and 519 transitions. [2025-03-04 10:51:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:23,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2025-03-04 10:51:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:23,870 INFO L225 Difference]: With dead ends: 410 [2025-03-04 10:51:23,870 INFO L226 Difference]: Without dead ends: 408 [2025-03-04 10:51:23,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:23,871 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 253 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:23,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 331 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-04 10:51:23,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-04 10:51:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 360 states have (on average 1.3805555555555555) internal successors, (497), 396 states have internal predecessors, (497), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 511 transitions. [2025-03-04 10:51:23,883 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 511 transitions. Word has length 48 [2025-03-04 10:51:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:23,883 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 511 transitions. [2025-03-04 10:51:23,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 511 transitions. [2025-03-04 10:51:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 10:51:23,883 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:23,883 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 10:51:23,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-04 10:51:24,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 10:51:24,088 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:24,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash -81734166, now seen corresponding path program 1 times [2025-03-04 10:51:24,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:24,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117610251] [2025-03-04 10:51:24,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:24,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:24,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:24,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:24,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513737799] [2025-03-04 10:51:24,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:24,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:24,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:24,100 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) [2025-03-04 10:51:24,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:51:24,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:24,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:24,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:24,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:24,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:24,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:24,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:24,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117610251] [2025-03-04 10:51:24,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:24,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513737799] [2025-03-04 10:51:24,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513737799] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:24,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:24,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:24,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050239975] [2025-03-04 10:51:24,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:24,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:24,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:24,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:24,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:24,358 INFO L87 Difference]: Start difference. First operand 408 states and 511 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:25,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:25,069 INFO L93 Difference]: Finished difference Result 500 states and 604 transitions. [2025-03-04 10:51:25,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 10:51:25,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-03-04 10:51:25,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:25,071 INFO L225 Difference]: With dead ends: 500 [2025-03-04 10:51:25,071 INFO L226 Difference]: Without dead ends: 498 [2025-03-04 10:51:25,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:25,071 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 762 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:25,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 338 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:51:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-03-04 10:51:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 418. [2025-03-04 10:51:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 370 states have (on average 1.364864864864865) internal successors, (505), 406 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 519 transitions. [2025-03-04 10:51:25,083 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 519 transitions. Word has length 51 [2025-03-04 10:51:25,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:25,083 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 519 transitions. [2025-03-04 10:51:25,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2025-03-04 10:51:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-04 10:51:25,083 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:25,083 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:25,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-04 10:51:25,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,284 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:25,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1761208226, now seen corresponding path program 1 times [2025-03-04 10:51:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:25,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883777130] [2025-03-04 10:51:25,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:25,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:25,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:25,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:25,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [154427889] [2025-03-04 10:51:25,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:25,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:25,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:25,295 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) [2025-03-04 10:51:25,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:51:25,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:25,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:25,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:25,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:25,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:51:25,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:25,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:25,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:25,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883777130] [2025-03-04 10:51:25,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:25,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154427889] [2025-03-04 10:51:25,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154427889] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:25,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:25,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035962910] [2025-03-04 10:51:25,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:25,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:25,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:25,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:25,876 INFO L87 Difference]: Start difference. First operand 418 states and 519 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:27,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,057 INFO L93 Difference]: Finished difference Result 516 states and 634 transitions. [2025-03-04 10:51:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:51:27,058 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-03-04 10:51:27,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,059 INFO L225 Difference]: With dead ends: 516 [2025-03-04 10:51:27,059 INFO L226 Difference]: Without dead ends: 514 [2025-03-04 10:51:27,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:51:27,060 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 968 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 347 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-03-04 10:51:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 452. [2025-03-04 10:51:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 403 states have (on average 1.3672456575682381) internal successors, (551), 439 states have internal predecessors, (551), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 567 transitions. [2025-03-04 10:51:27,072 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 567 transitions. Word has length 52 [2025-03-04 10:51:27,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,072 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 567 transitions. [2025-03-04 10:51:27,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 567 transitions. [2025-03-04 10:51:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 10:51:27,073 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,073 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-04 10:51:27,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,273 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1975884055, now seen corresponding path program 1 times [2025-03-04 10:51:27,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734357454] [2025-03-04 10:51:27,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:27,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:27,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631968814] [2025-03-04 10:51:27,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,286 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) [2025-03-04 10:51:27,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:51:27,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:27,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:27,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:27,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734357454] [2025-03-04 10:51:27,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631968814] [2025-03-04 10:51:27,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631968814] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:27,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:27,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:51:27,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277671531] [2025-03-04 10:51:27,549 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:27,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:27,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:27,550 INFO L87 Difference]: Start difference. First operand 452 states and 567 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:27,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,798 INFO L93 Difference]: Finished difference Result 489 states and 601 transitions. [2025-03-04 10:51:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:27,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-03-04 10:51:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,800 INFO L225 Difference]: With dead ends: 489 [2025-03-04 10:51:27,800 INFO L226 Difference]: Without dead ends: 485 [2025-03-04 10:51:27,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:27,800 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 155 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 465 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:27,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-04 10:51:27,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 452. [2025-03-04 10:51:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.3448275862068966) internal successors, (546), 439 states have internal predecessors, (546), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 562 transitions. [2025-03-04 10:51:27,816 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 562 transitions. Word has length 53 [2025-03-04 10:51:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,816 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 562 transitions. [2025-03-04 10:51:27,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 562 transitions. [2025-03-04 10:51:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-04 10:51:27,816 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,816 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:28,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,017 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1122863481, now seen corresponding path program 1 times [2025-03-04 10:51:28,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509689121] [2025-03-04 10:51:28,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:28,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:28,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647540997] [2025-03-04 10:51:28,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,028 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) [2025-03-04 10:51:28,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:51:28,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:28,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:28,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:28,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:28,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:28,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509689121] [2025-03-04 10:51:28,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:28,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647540997] [2025-03-04 10:51:28,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647540997] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:28,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:28,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-04 10:51:28,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304235757] [2025-03-04 10:51:28,484 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:28,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:51:28,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:28,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:51:28,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:28,484 INFO L87 Difference]: Start difference. First operand 452 states and 562 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:28,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:28,661 INFO L93 Difference]: Finished difference Result 601 states and 742 transitions. [2025-03-04 10:51:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:28,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-03-04 10:51:28,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:28,663 INFO L225 Difference]: With dead ends: 601 [2025-03-04 10:51:28,663 INFO L226 Difference]: Without dead ends: 599 [2025-03-04 10:51:28,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:28,663 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 302 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:28,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 316 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-03-04 10:51:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 537. [2025-03-04 10:51:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 489 states have (on average 1.3640081799591002) internal successors, (667), 522 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 687 transitions. [2025-03-04 10:51:28,679 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 687 transitions. Word has length 54 [2025-03-04 10:51:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:28,679 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 687 transitions. [2025-03-04 10:51:28,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 687 transitions. [2025-03-04 10:51:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:28,679 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:28,679 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:28,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-04 10:51:28,880 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,SelfDestructingSolverStorable32 [2025-03-04 10:51:28,880 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 833846246, now seen corresponding path program 1 times [2025-03-04 10:51:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924831775] [2025-03-04 10:51:28,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:28,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:28,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031124384] [2025-03-04 10:51:28,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,893 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) [2025-03-04 10:51:28,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:51:28,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:28,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:28,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:28,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:29,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924831775] [2025-03-04 10:51:29,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031124384] [2025-03-04 10:51:29,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031124384] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:29,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:29,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:29,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282789071] [2025-03-04 10:51:29,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:29,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:29,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:29,020 INFO L87 Difference]: Start difference. First operand 537 states and 687 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,155 INFO L93 Difference]: Finished difference Result 597 states and 735 transitions. [2025-03-04 10:51:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:29,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,157 INFO L225 Difference]: With dead ends: 597 [2025-03-04 10:51:29,157 INFO L226 Difference]: Without dead ends: 595 [2025-03-04 10:51:29,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:29,158 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 251 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 250 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-03-04 10:51:29,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 538. [2025-03-04 10:51:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 490 states have (on average 1.3571428571428572) internal successors, (665), 523 states have internal predecessors, (665), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 685 transitions. [2025-03-04 10:51:29,171 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 685 transitions. Word has length 55 [2025-03-04 10:51:29,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,171 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 685 transitions. [2025-03-04 10:51:29,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 685 transitions. [2025-03-04 10:51:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:29,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,172 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:29,372 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,SelfDestructingSolverStorable33 [2025-03-04 10:51:29,372 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash 60671258, now seen corresponding path program 1 times [2025-03-04 10:51:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410533662] [2025-03-04 10:51:29,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:29,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:29,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:29,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410533662] [2025-03-04 10:51:29,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410533662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:29,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:29,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132030264] [2025-03-04 10:51:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:29,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:29,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:29,416 INFO L87 Difference]: Start difference. First operand 538 states and 685 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,566 INFO L93 Difference]: Finished difference Result 543 states and 690 transitions. [2025-03-04 10:51:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:29,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:29,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,567 INFO L225 Difference]: With dead ends: 543 [2025-03-04 10:51:29,567 INFO L226 Difference]: Without dead ends: 542 [2025-03-04 10:51:29,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:29,568 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:29,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-03-04 10:51:29,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 541. [2025-03-04 10:51:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 493 states have (on average 1.354969574036511) internal successors, (668), 526 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 688 transitions. [2025-03-04 10:51:29,583 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 688 transitions. Word has length 55 [2025-03-04 10:51:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,583 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 688 transitions. [2025-03-04 10:51:29,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 688 transitions. [2025-03-04 10:51:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:29,583 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,583 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-04 10:51:29,584 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,585 INFO L85 PathProgramCache]: Analyzing trace with hash 79429918, now seen corresponding path program 1 times [2025-03-04 10:51:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501267730] [2025-03-04 10:51:29,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:29,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:29,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:29,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476802955] [2025-03-04 10:51:29,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:29,599 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) [2025-03-04 10:51:29,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:51:29,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:29,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:29,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:29,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:29,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:29,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501267730] [2025-03-04 10:51:29,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476802955] [2025-03-04 10:51:29,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476802955] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:29,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:29,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:29,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998185862] [2025-03-04 10:51:29,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:29,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:29,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:29,749 INFO L87 Difference]: Start difference. First operand 541 states and 688 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,865 INFO L93 Difference]: Finished difference Result 598 states and 734 transitions. [2025-03-04 10:51:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:29,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,866 INFO L225 Difference]: With dead ends: 598 [2025-03-04 10:51:29,866 INFO L226 Difference]: Without dead ends: 596 [2025-03-04 10:51:29,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:29,867 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 312 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 221 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:29,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-03-04 10:51:29,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 542. [2025-03-04 10:51:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 494 states have (on average 1.3481781376518218) internal successors, (666), 527 states have internal predecessors, (666), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 686 transitions. [2025-03-04 10:51:29,879 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 686 transitions. Word has length 56 [2025-03-04 10:51:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,879 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 686 transitions. [2025-03-04 10:51:29,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 686 transitions. [2025-03-04 10:51:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:29,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,880 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 10:51:30,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:30,081 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1880808972, now seen corresponding path program 1 times [2025-03-04 10:51:30,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246384561] [2025-03-04 10:51:30,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:30,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:30,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246384561] [2025-03-04 10:51:30,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246384561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:30,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797517885] [2025-03-04 10:51:30,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:30,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:30,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:30,137 INFO L87 Difference]: Start difference. First operand 542 states and 686 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,295 INFO L93 Difference]: Finished difference Result 544 states and 687 transitions. [2025-03-04 10:51:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:30,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:30,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,297 INFO L225 Difference]: With dead ends: 544 [2025-03-04 10:51:30,297 INFO L226 Difference]: Without dead ends: 521 [2025-03-04 10:51:30,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:30,297 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 44 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 125 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:30,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-03-04 10:51:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2025-03-04 10:51:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 473 states have (on average 1.3615221987315012) internal successors, (644), 506 states have internal predecessors, (644), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 664 transitions. [2025-03-04 10:51:30,315 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 664 transitions. Word has length 56 [2025-03-04 10:51:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,315 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 664 transitions. [2025-03-04 10:51:30,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 664 transitions. [2025-03-04 10:51:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:30,316 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,316 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-04 10:51:30,316 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1832639772, now seen corresponding path program 1 times [2025-03-04 10:51:30,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971677844] [2025-03-04 10:51:30,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:30,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:30,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:30,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2048115089] [2025-03-04 10:51:30,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:30,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:30,325 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) [2025-03-04 10:51:30,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:51:30,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:30,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:30,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:51:30,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971677844] [2025-03-04 10:51:30,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:30,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048115089] [2025-03-04 10:51:30,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048115089] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:30,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:30,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:30,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003042079] [2025-03-04 10:51:30,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:30,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:30,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:30,760 INFO L87 Difference]: Start difference. First operand 521 states and 664 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:31,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,896 INFO L93 Difference]: Finished difference Result 586 states and 738 transitions. [2025-03-04 10:51:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:51:31,896 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,898 INFO L225 Difference]: With dead ends: 586 [2025-03-04 10:51:31,898 INFO L226 Difference]: Without dead ends: 582 [2025-03-04 10:51:31,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:51:31,898 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 696 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 316 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:31,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-03-04 10:51:31,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 547. [2025-03-04 10:51:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 499 states have (on average 1.3386773547094188) internal successors, (668), 532 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 688 transitions. [2025-03-04 10:51:31,924 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 688 transitions. Word has length 57 [2025-03-04 10:51:31,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,924 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 688 transitions. [2025-03-04 10:51:31,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 688 transitions. [2025-03-04 10:51:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:31,924 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,924 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:32,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:32,128 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:32,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2020583835, now seen corresponding path program 1 times [2025-03-04 10:51:32,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:32,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944946155] [2025-03-04 10:51:32,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:32,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:32,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:32,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:32,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374420514] [2025-03-04 10:51:32,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:32,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:32,141 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) [2025-03-04 10:51:32,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:51:32,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:32,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:32,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:32,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:32,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:32,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944946155] [2025-03-04 10:51:32,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:32,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374420514] [2025-03-04 10:51:32,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374420514] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:32,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:32,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:32,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364375671] [2025-03-04 10:51:32,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:32,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:32,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:32,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:32,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:32,380 INFO L87 Difference]: Start difference. First operand 547 states and 688 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:32,979 INFO L93 Difference]: Finished difference Result 716 states and 859 transitions. [2025-03-04 10:51:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:32,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:32,981 INFO L225 Difference]: With dead ends: 716 [2025-03-04 10:51:32,981 INFO L226 Difference]: Without dead ends: 715 [2025-03-04 10:51:32,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:32,982 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 859 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:32,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 413 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-03-04 10:51:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 601. [2025-03-04 10:51:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 552 states have (on average 1.335144927536232) internal successors, (737), 585 states have internal predecessors, (737), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 759 transitions. [2025-03-04 10:51:32,997 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 759 transitions. Word has length 57 [2025-03-04 10:51:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:32,997 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 759 transitions. [2025-03-04 10:51:32,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 759 transitions. [2025-03-04 10:51:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:32,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:32,998 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 10:51:33,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:33,198 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,SelfDestructingSolverStorable38 [2025-03-04 10:51:33,199 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,199 INFO L85 PathProgramCache]: Analyzing trace with hash -977258020, now seen corresponding path program 1 times [2025-03-04 10:51:33,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967858074] [2025-03-04 10:51:33,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:33,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:33,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967858074] [2025-03-04 10:51:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967858074] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398941588] [2025-03-04 10:51:33,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:33,256 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) [2025-03-04 10:51:33,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:51:33,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:33,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:33,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:33,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398941588] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:33,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:33,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-04 10:51:33,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036957333] [2025-03-04 10:51:33,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:33,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:33,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:33,411 INFO L87 Difference]: Start difference. First operand 601 states and 759 transitions. Second operand has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,612 INFO L93 Difference]: Finished difference Result 620 states and 783 transitions. [2025-03-04 10:51:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:51:33,613 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2025-03-04 10:51:33,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,614 INFO L225 Difference]: With dead ends: 620 [2025-03-04 10:51:33,614 INFO L226 Difference]: Without dead ends: 618 [2025-03-04 10:51:33,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:33,615 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 181 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 321 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-04 10:51:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 599. [2025-03-04 10:51:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.3115942028985508) internal successors, (724), 583 states have internal predecessors, (724), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 746 transitions. [2025-03-04 10:51:33,629 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 746 transitions. Word has length 58 [2025-03-04 10:51:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,629 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 746 transitions. [2025-03-04 10:51:33,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2025-03-04 10:51:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:33,630 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,630 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-04 10:51:33,830 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,SelfDestructingSolverStorable39 [2025-03-04 10:51:33,831 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1786410627, now seen corresponding path program 1 times [2025-03-04 10:51:33,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280180915] [2025-03-04 10:51:33,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:33,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:33,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:33,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123371132] [2025-03-04 10:51:33,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:33,840 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) [2025-03-04 10:51:33,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:51:33,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:33,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:33,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:33,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:34,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280180915] [2025-03-04 10:51:34,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:34,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123371132] [2025-03-04 10:51:34,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123371132] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:34,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:34,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:34,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188839051] [2025-03-04 10:51:34,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:34,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:34,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:34,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:34,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:34,094 INFO L87 Difference]: Start difference. First operand 599 states and 746 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:34,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:34,572 INFO L93 Difference]: Finished difference Result 710 states and 838 transitions. [2025-03-04 10:51:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:34,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2025-03-04 10:51:34,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:34,574 INFO L225 Difference]: With dead ends: 710 [2025-03-04 10:51:34,574 INFO L226 Difference]: Without dead ends: 708 [2025-03-04 10:51:34,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:34,575 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 854 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:34,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 430 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:51:34,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2025-03-04 10:51:34,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 599. [2025-03-04 10:51:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.2971014492753623) internal successors, (716), 583 states have internal predecessors, (716), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 738 transitions. [2025-03-04 10:51:34,594 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 738 transitions. Word has length 58 [2025-03-04 10:51:34,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:34,594 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 738 transitions. [2025-03-04 10:51:34,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 738 transitions. [2025-03-04 10:51:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-04 10:51:34,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:34,595 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:34,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:34,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-04 10:51:34,795 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:34,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:34,796 INFO L85 PathProgramCache]: Analyzing trace with hash -455845341, now seen corresponding path program 1 times [2025-03-04 10:51:34,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570917784] [2025-03-04 10:51:34,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:34,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:34,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:34,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:34,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146025567] [2025-03-04 10:51:34,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:34,805 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) [2025-03-04 10:51:34,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:51:34,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:34,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:34,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:34,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:35,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:35,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:35,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570917784] [2025-03-04 10:51:35,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:35,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146025567] [2025-03-04 10:51:35,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146025567] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:35,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:35,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:51:35,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256822199] [2025-03-04 10:51:35,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:35,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:51:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:35,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:51:35,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:51:35,342 INFO L87 Difference]: Start difference. First operand 599 states and 738 transitions. Second operand has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:36,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:36,756 INFO L93 Difference]: Finished difference Result 713 states and 879 transitions. [2025-03-04 10:51:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-04 10:51:36,757 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-03-04 10:51:36,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:36,758 INFO L225 Difference]: With dead ends: 713 [2025-03-04 10:51:36,758 INFO L226 Difference]: Without dead ends: 709 [2025-03-04 10:51:36,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=468, Invalid=2082, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:51:36,759 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 791 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:36,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 519 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:51:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-03-04 10:51:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 601. [2025-03-04 10:51:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.2870036101083033) internal successors, (713), 585 states have internal predecessors, (713), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 735 transitions. [2025-03-04 10:51:36,774 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 735 transitions. Word has length 59 [2025-03-04 10:51:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:36,774 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 735 transitions. [2025-03-04 10:51:36,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 735 transitions. [2025-03-04 10:51:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 10:51:36,774 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:36,774 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:36,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:36,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:36,975 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:36,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:36,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1246303615, now seen corresponding path program 1 times [2025-03-04 10:51:36,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:36,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934930206] [2025-03-04 10:51:36,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:36,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:36,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:36,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:36,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:36,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:36,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555228730] [2025-03-04 10:51:36,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:36,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:36,984 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) [2025-03-04 10:51:36,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:51:37,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:37,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:37,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:37,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:37,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:37,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:37,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934930206] [2025-03-04 10:51:37,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:37,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555228730] [2025-03-04 10:51:37,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555228730] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:37,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:37,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:51:37,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100842365] [2025-03-04 10:51:37,208 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:37,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:51:37,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:37,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:51:37,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:37,209 INFO L87 Difference]: Start difference. First operand 601 states and 735 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:37,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:37,510 INFO L93 Difference]: Finished difference Result 662 states and 785 transitions. [2025-03-04 10:51:37,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:37,510 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2025-03-04 10:51:37,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:37,512 INFO L225 Difference]: With dead ends: 662 [2025-03-04 10:51:37,512 INFO L226 Difference]: Without dead ends: 661 [2025-03-04 10:51:37,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:37,512 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 428 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:37,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 438 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2025-03-04 10:51:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 601. [2025-03-04 10:51:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.279783393501805) internal successors, (709), 585 states have internal predecessors, (709), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 731 transitions. [2025-03-04 10:51:37,528 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 731 transitions. Word has length 60 [2025-03-04 10:51:37,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:37,529 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 731 transitions. [2025-03-04 10:51:37,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 731 transitions. [2025-03-04 10:51:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-04 10:51:37,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:37,529 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:37,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:37,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:37,730 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:37,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash 355795800, now seen corresponding path program 1 times [2025-03-04 10:51:37,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:37,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14292558] [2025-03-04 10:51:37,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:37,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:37,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:37,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:37,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14292558] [2025-03-04 10:51:37,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14292558] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:37,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273849906] [2025-03-04 10:51:37,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:37,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:37,774 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) [2025-03-04 10:51:37,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:51:37,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:37,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:37,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:37,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:37,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273849906] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:37,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:51:37,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017877420] [2025-03-04 10:51:37,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:37,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:51:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:37,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:51:37,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:37,992 INFO L87 Difference]: Start difference. First operand 601 states and 731 transitions. Second operand has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:38,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:38,364 INFO L93 Difference]: Finished difference Result 805 states and 999 transitions. [2025-03-04 10:51:38,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:38,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-03-04 10:51:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:38,366 INFO L225 Difference]: With dead ends: 805 [2025-03-04 10:51:38,366 INFO L226 Difference]: Without dead ends: 803 [2025-03-04 10:51:38,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:38,366 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 220 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:38,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 343 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-04 10:51:38,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 776. [2025-03-04 10:51:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 726 states have (on average 1.303030303030303) internal successors, (946), 757 states have internal predecessors, (946), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 10:51:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 974 transitions. [2025-03-04 10:51:38,386 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 974 transitions. Word has length 62 [2025-03-04 10:51:38,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:38,387 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 974 transitions. [2025-03-04 10:51:38,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 974 transitions. [2025-03-04 10:51:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-04 10:51:38,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:38,387 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:38,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-04 10:51:38,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,588 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:38,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1855232034, now seen corresponding path program 1 times [2025-03-04 10:51:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:38,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620174759] [2025-03-04 10:51:38,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:38,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 10:51:38,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 10:51:38,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:38,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:38,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620174759] [2025-03-04 10:51:38,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620174759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:38,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:38,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:38,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605952715] [2025-03-04 10:51:38,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:38,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:38,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:38,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:38,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:38,623 INFO L87 Difference]: Start difference. First operand 776 states and 974 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:38,835 INFO L93 Difference]: Finished difference Result 1068 states and 1371 transitions. [2025-03-04 10:51:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:51:38,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2025-03-04 10:51:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:38,839 INFO L225 Difference]: With dead ends: 1068 [2025-03-04 10:51:38,839 INFO L226 Difference]: Without dead ends: 1066 [2025-03-04 10:51:38,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:38,840 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 90 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:38,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 311 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2025-03-04 10:51:38,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 986. [2025-03-04 10:51:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 931 states have (on average 1.3329752953813103) internal successors, (1241), 962 states have internal predecessors, (1241), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1279 transitions. [2025-03-04 10:51:38,890 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1279 transitions. Word has length 63 [2025-03-04 10:51:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:38,890 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1279 transitions. [2025-03-04 10:51:38,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1279 transitions. [2025-03-04 10:51:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-04 10:51:38,890 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:38,890 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:38,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-04 10:51:38,891 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:38,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1677618154, now seen corresponding path program 1 times [2025-03-04 10:51:38,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:38,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354884621] [2025-03-04 10:51:38,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:38,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:38,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:38,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [8880515] [2025-03-04 10:51:38,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:38,903 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:38,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:51:38,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:38,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:38,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:38,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:51:38,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:39,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:51:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:39,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354884621] [2025-03-04 10:51:39,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:39,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8880515] [2025-03-04 10:51:39,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8880515] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:39,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:39,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-03-04 10:51:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703482803] [2025-03-04 10:51:39,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:39,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:39,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:39,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:39,310 INFO L87 Difference]: Start difference. First operand 986 states and 1279 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:40,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,613 INFO L93 Difference]: Finished difference Result 1027 states and 1328 transitions. [2025-03-04 10:51:40,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:51:40,613 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2025-03-04 10:51:40,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,615 INFO L225 Difference]: With dead ends: 1027 [2025-03-04 10:51:40,615 INFO L226 Difference]: Without dead ends: 1001 [2025-03-04 10:51:40,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:40,616 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 349 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 280 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:51:40,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2025-03-04 10:51:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 971. [2025-03-04 10:51:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 916 states have (on average 1.334061135371179) internal successors, (1222), 947 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1260 transitions. [2025-03-04 10:51:40,643 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1260 transitions. Word has length 64 [2025-03-04 10:51:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,643 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1260 transitions. [2025-03-04 10:51:40,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1260 transitions. [2025-03-04 10:51:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 10:51:40,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:40,844 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,SelfDestructingSolverStorable45 [2025-03-04 10:51:40,844 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1549396357, now seen corresponding path program 1 times [2025-03-04 10:51:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550425398] [2025-03-04 10:51:40,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:40,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:40,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:40,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:40,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208875853] [2025-03-04 10:51:40,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:40,854 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) [2025-03-04 10:51:40,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:51:40,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:40,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:40,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:40,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:41,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:46,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550425398] [2025-03-04 10:51:46,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208875853] [2025-03-04 10:51:46,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208875853] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:46,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2025-03-04 10:51:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134420241] [2025-03-04 10:51:46,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:46,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-04 10:51:46,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:46,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-04 10:51:46,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=339, Unknown=1, NotChecked=0, Total=420 [2025-03-04 10:51:46,379 INFO L87 Difference]: Start difference. First operand 971 states and 1260 transitions. Second operand has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:48,449 INFO L93 Difference]: Finished difference Result 1119 states and 1453 transitions. [2025-03-04 10:51:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-04 10:51:48,449 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2025-03-04 10:51:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:48,451 INFO L225 Difference]: With dead ends: 1119 [2025-03-04 10:51:48,452 INFO L226 Difference]: Without dead ends: 1117 [2025-03-04 10:51:48,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=618, Invalid=2687, Unknown=1, NotChecked=0, Total=3306 [2025-03-04 10:51:48,453 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 604 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:48,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 668 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2389 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 10:51:48,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2025-03-04 10:51:48,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 974. [2025-03-04 10:51:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 919 states have (on average 1.3297062023939064) internal successors, (1222), 950 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1260 transitions. [2025-03-04 10:51:48,487 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1260 transitions. Word has length 66 [2025-03-04 10:51:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:48,487 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1260 transitions. [2025-03-04 10:51:48,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1260 transitions. [2025-03-04 10:51:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-04 10:51:48,488 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:48,488 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:48,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-04 10:51:48,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-04 10:51:48,688 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:48,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash -786646757, now seen corresponding path program 1 times [2025-03-04 10:51:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412079488] [2025-03-04 10:51:48,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:48,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:48,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:48,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:48,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668464272] [2025-03-04 10:51:48,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:48,699 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) [2025-03-04 10:51:48,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:51:48,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:48,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:48,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:48,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:48,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:48,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:49,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:49,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:49,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412079488] [2025-03-04 10:51:49,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:49,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668464272] [2025-03-04 10:51:49,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668464272] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:49,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:49,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2025-03-04 10:51:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887692028] [2025-03-04 10:51:49,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:49,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:49,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:49,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:49,302 INFO L87 Difference]: Start difference. First operand 974 states and 1260 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:50,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:50,570 INFO L93 Difference]: Finished difference Result 1033 states and 1329 transitions. [2025-03-04 10:51:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:51:50,570 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2025-03-04 10:51:50,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:50,572 INFO L225 Difference]: With dead ends: 1033 [2025-03-04 10:51:50,572 INFO L226 Difference]: Without dead ends: 1029 [2025-03-04 10:51:50,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2025-03-04 10:51:50,573 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 442 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:50,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 251 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:51:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2025-03-04 10:51:50,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 992. [2025-03-04 10:51:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 938 states have (on average 1.3208955223880596) internal successors, (1239), 968 states have internal predecessors, (1239), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1277 transitions. [2025-03-04 10:51:50,609 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1277 transitions. Word has length 67 [2025-03-04 10:51:50,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:50,609 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1277 transitions. [2025-03-04 10:51:50,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1277 transitions. [2025-03-04 10:51:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 10:51:50,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:50,609 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:50,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:50,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:50,811 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:50,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:50,811 INFO L85 PathProgramCache]: Analyzing trace with hash -391273442, now seen corresponding path program 1 times [2025-03-04 10:51:50,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:50,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016107889] [2025-03-04 10:51:50,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:50,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:50,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:50,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:50,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:50,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:50,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:50,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016107889] [2025-03-04 10:51:50,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016107889] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:50,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778657257] [2025-03-04 10:51:50,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:50,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:50,854 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) [2025-03-04 10:51:50,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 10:51:50,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:50,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:50,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:50,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:50,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:50,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:51,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:51,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778657257] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:51,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:51,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-04 10:51:51,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456577577] [2025-03-04 10:51:51,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:51,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:51,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:51,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:51,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:51,163 INFO L87 Difference]: Start difference. First operand 992 states and 1277 transitions. Second operand has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:51,422 INFO L93 Difference]: Finished difference Result 1337 states and 1725 transitions. [2025-03-04 10:51:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:51,423 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2025-03-04 10:51:51,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:51,425 INFO L225 Difference]: With dead ends: 1337 [2025-03-04 10:51:51,425 INFO L226 Difference]: Without dead ends: 1336 [2025-03-04 10:51:51,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:51,426 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 1013 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:51,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 297 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:51,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2025-03-04 10:51:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1197. [2025-03-04 10:51:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1137 states have (on average 1.324538258575198) internal successors, (1506), 1167 states have internal predecessors, (1506), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-04 10:51:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1556 transitions. [2025-03-04 10:51:51,472 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1556 transitions. Word has length 74 [2025-03-04 10:51:51,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:51,472 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1556 transitions. [2025-03-04 10:51:51,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1556 transitions. [2025-03-04 10:51:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 10:51:51,473 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:51,473 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:51,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-04 10:51:51,673 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,SelfDestructingSolverStorable48 [2025-03-04 10:51:51,674 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:51,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:51,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1474992472, now seen corresponding path program 1 times [2025-03-04 10:51:51,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:51,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638484427] [2025-03-04 10:51:51,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:51,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:51,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:51,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:51,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:51,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638484427] [2025-03-04 10:51:51,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638484427] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:51,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346362313] [2025-03-04 10:51:51,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:51,719 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) [2025-03-04 10:51:51,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 10:51:51,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:51,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:51,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:51,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:51,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:51,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:51,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346362313] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:51,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:51,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-04 10:51:51,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002547990] [2025-03-04 10:51:51,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:51,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:51:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:51,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:51:51,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:51,992 INFO L87 Difference]: Start difference. First operand 1197 states and 1556 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:52,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:52,359 INFO L93 Difference]: Finished difference Result 1669 states and 2161 transitions. [2025-03-04 10:51:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:51:52,359 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2025-03-04 10:51:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:52,362 INFO L225 Difference]: With dead ends: 1669 [2025-03-04 10:51:52,363 INFO L226 Difference]: Without dead ends: 1668 [2025-03-04 10:51:52,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:51:52,363 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 487 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:52,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 446 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2025-03-04 10:51:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1455. [2025-03-04 10:51:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1387 states have (on average 1.3316510454217736) internal successors, (1847), 1417 states have internal predecessors, (1847), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 10:51:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1913 transitions. [2025-03-04 10:51:52,418 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1913 transitions. Word has length 77 [2025-03-04 10:51:52,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:52,418 INFO L471 AbstractCegarLoop]: Abstraction has 1455 states and 1913 transitions. [2025-03-04 10:51:52,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1913 transitions. [2025-03-04 10:51:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:51:52,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:52,418 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:52,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:52,619 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,SelfDestructingSolverStorable49 [2025-03-04 10:51:52,619 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:52,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:52,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1547535403, now seen corresponding path program 1 times [2025-03-04 10:51:52,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:52,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733047945] [2025-03-04 10:51:52,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:52,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:52,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:52,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:52,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:52,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:52,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:52,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733047945] [2025-03-04 10:51:52,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733047945] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:52,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978579285] [2025-03-04 10:51:52,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:52,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:52,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:52,691 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) [2025-03-04 10:51:52,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-04 10:51:52,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:52,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:52,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:52,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:52,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:52,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:52,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:53,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978579285] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:53,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:53,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-04 10:51:53,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92134234] [2025-03-04 10:51:53,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:53,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:53,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:53,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:53,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:53,189 INFO L87 Difference]: Start difference. First operand 1455 states and 1913 transitions. Second operand has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:53,938 INFO L93 Difference]: Finished difference Result 1636 states and 2133 transitions. [2025-03-04 10:51:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:53,938 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2025-03-04 10:51:53,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:53,941 INFO L225 Difference]: With dead ends: 1636 [2025-03-04 10:51:53,941 INFO L226 Difference]: Without dead ends: 1635 [2025-03-04 10:51:53,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:51:53,942 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 706 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:53,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 868 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:53,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2025-03-04 10:51:53,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1494. [2025-03-04 10:51:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1424 states have (on average 1.3300561797752808) internal successors, (1894), 1454 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:51:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1964 transitions. [2025-03-04 10:51:53,992 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1964 transitions. Word has length 81 [2025-03-04 10:51:53,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:53,993 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1964 transitions. [2025-03-04 10:51:53,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1964 transitions. [2025-03-04 10:51:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:51:53,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:53,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:53,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:54,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:54,194 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:54,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:54,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1752187702, now seen corresponding path program 1 times [2025-03-04 10:51:54,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:54,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993256087] [2025-03-04 10:51:54,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:54,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:54,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:54,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:54,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:54,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:54,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377142935] [2025-03-04 10:51:54,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:54,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:54,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:54,212 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) [2025-03-04 10:51:54,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-04 10:51:54,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:51:54,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:51:54,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:54,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:54,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:51:54,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:54,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:54,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993256087] [2025-03-04 10:51:54,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377142935] [2025-03-04 10:51:54,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377142935] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:54,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:54,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412826614] [2025-03-04 10:51:54,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:54,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:54,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:54,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:54,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:54,509 INFO L87 Difference]: Start difference. First operand 1494 states and 1964 transitions. Second operand has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:51:55,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:55,280 INFO L93 Difference]: Finished difference Result 1508 states and 1973 transitions. [2025-03-04 10:51:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:51:55,281 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-03-04 10:51:55,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:55,284 INFO L225 Difference]: With dead ends: 1508 [2025-03-04 10:51:55,284 INFO L226 Difference]: Without dead ends: 1505 [2025-03-04 10:51:55,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:51:55,285 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 186 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:55,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 742 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:51:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2025-03-04 10:51:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1496. [2025-03-04 10:51:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1426 states have (on average 1.3281907433380085) internal successors, (1894), 1456 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:51:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1964 transitions. [2025-03-04 10:51:55,344 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1964 transitions. Word has length 81 [2025-03-04 10:51:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:55,344 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 1964 transitions. [2025-03-04 10:51:55,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:51:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1964 transitions. [2025-03-04 10:51:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:51:55,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:55,345 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:55,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:55,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:55,549 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:55,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1122836813, now seen corresponding path program 1 times [2025-03-04 10:51:55,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:55,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174988631] [2025-03-04 10:51:55,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:55,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:51:55,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:51:55,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:55,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:55,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:55,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174988631] [2025-03-04 10:51:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174988631] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:55,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197815510] [2025-03-04 10:51:55,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:55,598 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) [2025-03-04 10:51:55,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-04 10:51:55,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:51:55,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:51:55,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:55,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:55,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:55,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:55,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:55,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197815510] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:55,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:55,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:51:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468600098] [2025-03-04 10:51:55,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:55,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:55,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:55,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:55,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:55,770 INFO L87 Difference]: Start difference. First operand 1496 states and 1964 transitions. Second operand has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:55,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:55,877 INFO L93 Difference]: Finished difference Result 2078 states and 2711 transitions. [2025-03-04 10:51:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:51:55,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 83 [2025-03-04 10:51:55,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:55,881 INFO L225 Difference]: With dead ends: 2078 [2025-03-04 10:51:55,881 INFO L226 Difference]: Without dead ends: 2077 [2025-03-04 10:51:55,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:55,882 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 374 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:55,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 503 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2025-03-04 10:51:55,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1838. [2025-03-04 10:51:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1759 states have (on average 1.3393973848777714) internal successors, (2356), 1789 states have internal predecessors, (2356), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:51:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2444 transitions. [2025-03-04 10:51:55,950 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2444 transitions. Word has length 83 [2025-03-04 10:51:55,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:55,950 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2444 transitions. [2025-03-04 10:51:55,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:51:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2444 transitions. [2025-03-04 10:51:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:51:55,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:55,951 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:55,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:56,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:56,152 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:56,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash 225201652, now seen corresponding path program 1 times [2025-03-04 10:51:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:56,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911555156] [2025-03-04 10:51:56,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:56,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:51:56,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:51:56,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:56,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612142080] [2025-03-04 10:51:56,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:56,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:56,162 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) [2025-03-04 10:51:56,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-04 10:51:56,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:51:56,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:51:56,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:56,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:51:56,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:56,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:56,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:56,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911555156] [2025-03-04 10:51:56,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:56,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612142080] [2025-03-04 10:51:56,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612142080] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:56,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:56,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:51:56,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507836081] [2025-03-04 10:51:56,604 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:56,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:56,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:56,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:56,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:56,605 INFO L87 Difference]: Start difference. First operand 1838 states and 2444 transitions. Second operand has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:51:57,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:57,551 INFO L93 Difference]: Finished difference Result 1847 states and 2453 transitions. [2025-03-04 10:51:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:51:57,552 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 83 [2025-03-04 10:51:57,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:57,555 INFO L225 Difference]: With dead ends: 1847 [2025-03-04 10:51:57,555 INFO L226 Difference]: Without dead ends: 1846 [2025-03-04 10:51:57,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 10:51:57,556 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 460 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:57,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 470 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:51:57,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2025-03-04 10:51:57,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1842. [2025-03-04 10:51:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.339194554736245) internal successors, (2361), 1793 states have internal predecessors, (2361), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:51:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2449 transitions. [2025-03-04 10:51:57,625 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2449 transitions. Word has length 83 [2025-03-04 10:51:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:57,625 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2449 transitions. [2025-03-04 10:51:57,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:51:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2449 transitions. [2025-03-04 10:51:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:51:57,626 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:57,626 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:57,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:57,826 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,SelfDestructingSolverStorable53 [2025-03-04 10:51:57,826 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:57,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1608683382, now seen corresponding path program 1 times [2025-03-04 10:51:57,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:57,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255226355] [2025-03-04 10:51:57,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:57,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:57,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:51:57,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:51:57,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:57,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:57,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627485785] [2025-03-04 10:51:57,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:57,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:57,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:57,841 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) [2025-03-04 10:51:57,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-04 10:51:57,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:51:57,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:51:57,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:57,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:57,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:51:57,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:58,187 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:58,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:58,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255226355] [2025-03-04 10:51:58,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:58,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627485785] [2025-03-04 10:51:58,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627485785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:58,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:58,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 10:51:58,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804273614] [2025-03-04 10:51:58,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:58,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:58,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:58,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:58,188 INFO L87 Difference]: Start difference. First operand 1842 states and 2449 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:59,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:59,174 INFO L93 Difference]: Finished difference Result 1933 states and 2564 transitions. [2025-03-04 10:51:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:51:59,174 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2025-03-04 10:51:59,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:59,177 INFO L225 Difference]: With dead ends: 1933 [2025-03-04 10:51:59,178 INFO L226 Difference]: Without dead ends: 1929 [2025-03-04 10:51:59,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:59,178 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:59,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 558 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2025-03-04 10:51:59,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1887. [2025-03-04 10:51:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3373893805309736) internal successors, (2418), 1838 states have internal predecessors, (2418), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:51:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2506 transitions. [2025-03-04 10:51:59,246 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2506 transitions. Word has length 84 [2025-03-04 10:51:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:59,246 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2506 transitions. [2025-03-04 10:51:59,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2506 transitions. [2025-03-04 10:51:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:51:59,247 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:59,247 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:59,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-04 10:51:59,447 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,SelfDestructingSolverStorable54 [2025-03-04 10:51:59,447 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:59,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1670422706, now seen corresponding path program 1 times [2025-03-04 10:51:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563712948] [2025-03-04 10:51:59,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:59,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:59,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:51:59,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:51:59,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:59,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563712948] [2025-03-04 10:51:59,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563712948] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906155347] [2025-03-04 10:51:59,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:59,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:59,499 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) [2025-03-04 10:51:59,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-04 10:51:59,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:51:59,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:51:59,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:59,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:59,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:51:59,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906155347] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:59,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:59,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-04 10:51:59,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816491509] [2025-03-04 10:51:59,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:59,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:51:59,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:59,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:51:59,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:59,661 INFO L87 Difference]: Start difference. First operand 1887 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:59,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:59,883 INFO L93 Difference]: Finished difference Result 1889 states and 2507 transitions. [2025-03-04 10:51:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:51:59,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 85 [2025-03-04 10:51:59,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:59,886 INFO L225 Difference]: With dead ends: 1889 [2025-03-04 10:51:59,886 INFO L226 Difference]: Without dead ends: 1888 [2025-03-04 10:51:59,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:51:59,887 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 153 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:59,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 361 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2025-03-04 10:51:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1887. [2025-03-04 10:51:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3368362831858407) internal successors, (2417), 1838 states have internal predecessors, (2417), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:51:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2505 transitions. [2025-03-04 10:51:59,947 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2505 transitions. Word has length 85 [2025-03-04 10:51:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:59,947 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2505 transitions. [2025-03-04 10:51:59,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2505 transitions. [2025-03-04 10:51:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 10:51:59,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:59,948 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:59,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-03-04 10:52:00,150 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,SelfDestructingSolverStorable55 [2025-03-04 10:52:00,150 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:00,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2114148629, now seen corresponding path program 1 times [2025-03-04 10:52:00,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50514159] [2025-03-04 10:52:00,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:00,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:00,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:00,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:00,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50514159] [2025-03-04 10:52:00,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50514159] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633984242] [2025-03-04 10:52:00,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:00,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:00,214 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) [2025-03-04 10:52:00,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-04 10:52:00,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:00,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:00,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:00,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:52:00,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:52:00,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633984242] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:00,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2025-03-04 10:52:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307092479] [2025-03-04 10:52:00,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:00,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-04 10:52:00,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:00,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-04 10:52:00,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:52:00,464 INFO L87 Difference]: Start difference. First operand 1887 states and 2505 transitions. Second operand has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:00,647 INFO L93 Difference]: Finished difference Result 3084 states and 4053 transitions. [2025-03-04 10:52:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:00,647 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 87 [2025-03-04 10:52:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:00,651 INFO L225 Difference]: With dead ends: 3084 [2025-03-04 10:52:00,651 INFO L226 Difference]: Without dead ends: 2898 [2025-03-04 10:52:00,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2025-03-04 10:52:00,652 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 329 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:00,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1205 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2025-03-04 10:52:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2521. [2025-03-04 10:52:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2426 states have (on average 1.304616652926628) internal successors, (3165), 2456 states have internal predecessors, (3165), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3281 transitions. [2025-03-04 10:52:00,754 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3281 transitions. Word has length 87 [2025-03-04 10:52:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:00,754 INFO L471 AbstractCegarLoop]: Abstraction has 2521 states and 3281 transitions. [2025-03-04 10:52:00,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3281 transitions. [2025-03-04 10:52:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 10:52:00,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:00,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:00,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:00,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-04 10:52:00,959 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:00,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:00,959 INFO L85 PathProgramCache]: Analyzing trace with hash -200663506, now seen corresponding path program 1 times [2025-03-04 10:52:00,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:00,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490056253] [2025-03-04 10:52:00,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:00,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:00,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:00,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490056253] [2025-03-04 10:52:01,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490056253] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635184548] [2025-03-04 10:52:01,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:01,007 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) [2025-03-04 10:52:01,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-04 10:52:01,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:01,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:01,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:01,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:01,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635184548] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:01,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:01,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 6 [2025-03-04 10:52:01,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244747297] [2025-03-04 10:52:01,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:01,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:01,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:01,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:01,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:01,246 INFO L87 Difference]: Start difference. First operand 2521 states and 3281 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:01,523 INFO L93 Difference]: Finished difference Result 2550 states and 3297 transitions. [2025-03-04 10:52:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:01,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 89 [2025-03-04 10:52:01,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:01,527 INFO L225 Difference]: With dead ends: 2550 [2025-03-04 10:52:01,527 INFO L226 Difference]: Without dead ends: 2548 [2025-03-04 10:52:01,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:52:01,528 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 131 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:01,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 174 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:01,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2025-03-04 10:52:01,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2521. [2025-03-04 10:52:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2426 states have (on average 1.293487221764221) internal successors, (3138), 2456 states have internal predecessors, (3138), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3254 transitions. [2025-03-04 10:52:01,630 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3254 transitions. Word has length 89 [2025-03-04 10:52:01,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:01,631 INFO L471 AbstractCegarLoop]: Abstraction has 2521 states and 3254 transitions. [2025-03-04 10:52:01,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3254 transitions. [2025-03-04 10:52:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:01,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:01,631 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:01,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:01,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,832 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:01,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:01,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1052993812, now seen corresponding path program 1 times [2025-03-04 10:52:01,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:01,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483328897] [2025-03-04 10:52:01,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:01,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:01,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:01,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:01,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036031067] [2025-03-04 10:52:01,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:01,848 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) [2025-03-04 10:52:01,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-04 10:52:01,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:01,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:01,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:01,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:01,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:52:01,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:02,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483328897] [2025-03-04 10:52:02,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:02,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036031067] [2025-03-04 10:52:02,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036031067] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:02,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:02,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:52:02,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50409890] [2025-03-04 10:52:02,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:02,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:52:02,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:02,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:52:02,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:52:02,324 INFO L87 Difference]: Start difference. First operand 2521 states and 3254 transitions. Second operand has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:03,458 INFO L93 Difference]: Finished difference Result 2666 states and 3419 transitions. [2025-03-04 10:52:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 10:52:03,459 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 92 [2025-03-04 10:52:03,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:03,462 INFO L225 Difference]: With dead ends: 2666 [2025-03-04 10:52:03,463 INFO L226 Difference]: Without dead ends: 2664 [2025-03-04 10:52:03,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:52:03,464 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 767 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:03,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 564 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:52:03,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2025-03-04 10:52:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2549. [2025-03-04 10:52:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 2454 states have (on average 1.2840260798696006) internal successors, (3151), 2484 states have internal predecessors, (3151), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3267 transitions. [2025-03-04 10:52:03,570 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3267 transitions. Word has length 92 [2025-03-04 10:52:03,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:03,570 INFO L471 AbstractCegarLoop]: Abstraction has 2549 states and 3267 transitions. [2025-03-04 10:52:03,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3267 transitions. [2025-03-04 10:52:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:03,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:03,571 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:03,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:03,775 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,SelfDestructingSolverStorable58 [2025-03-04 10:52:03,775 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:03,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:03,775 INFO L85 PathProgramCache]: Analyzing trace with hash 627954818, now seen corresponding path program 1 times [2025-03-04 10:52:03,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:03,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109795615] [2025-03-04 10:52:03,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:03,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:03,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:03,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:03,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:03,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109795615] [2025-03-04 10:52:03,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109795615] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:03,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068682429] [2025-03-04 10:52:03,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:03,873 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) [2025-03-04 10:52:03,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-04 10:52:03,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:03,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:03,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:03,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:03,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:04,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068682429] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:04,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:04,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-04 10:52:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833918499] [2025-03-04 10:52:04,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:04,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:04,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:04,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:04,300 INFO L87 Difference]: Start difference. First operand 2549 states and 3267 transitions. Second operand has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:05,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:05,034 INFO L93 Difference]: Finished difference Result 2575 states and 3297 transitions. [2025-03-04 10:52:05,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:52:05,035 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 92 [2025-03-04 10:52:05,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:05,038 INFO L225 Difference]: With dead ends: 2575 [2025-03-04 10:52:05,039 INFO L226 Difference]: Without dead ends: 2574 [2025-03-04 10:52:05,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:05,040 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 235 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:05,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 902 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:05,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2025-03-04 10:52:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2558. [2025-03-04 10:52:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2463 states have (on average 1.2838002436053593) internal successors, (3162), 2493 states have internal predecessors, (3162), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3278 transitions. [2025-03-04 10:52:05,145 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3278 transitions. Word has length 92 [2025-03-04 10:52:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:05,145 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 3278 transitions. [2025-03-04 10:52:05,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3278 transitions. [2025-03-04 10:52:05,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:52:05,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:05,146 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:05,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:05,350 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,SelfDestructingSolverStorable59 [2025-03-04 10:52:05,350 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:05,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -365390028, now seen corresponding path program 1 times [2025-03-04 10:52:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445274887] [2025-03-04 10:52:05,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:05,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:05,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:05,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631296824] [2025-03-04 10:52:05,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:05,362 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) [2025-03-04 10:52:05,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-04 10:52:05,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:05,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:05,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:05,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:06,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:06,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445274887] [2025-03-04 10:52:06,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:06,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631296824] [2025-03-04 10:52:06,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631296824] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:06,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:06,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:06,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438417931] [2025-03-04 10:52:06,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:06,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:06,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:06,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:06,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:06,039 INFO L87 Difference]: Start difference. First operand 2558 states and 3278 transitions. Second operand has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:08,464 INFO L93 Difference]: Finished difference Result 3256 states and 4183 transitions. [2025-03-04 10:52:08,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-04 10:52:08,464 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-03-04 10:52:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:08,468 INFO L225 Difference]: With dead ends: 3256 [2025-03-04 10:52:08,468 INFO L226 Difference]: Without dead ends: 3252 [2025-03-04 10:52:08,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=838, Invalid=4132, Unknown=0, NotChecked=0, Total=4970 [2025-03-04 10:52:08,470 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 537 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:08,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1216 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-04 10:52:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2025-03-04 10:52:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3017. [2025-03-04 10:52:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2911 states have (on average 1.2885606320851941) internal successors, (3751), 2941 states have internal predecessors, (3751), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3889 transitions. [2025-03-04 10:52:08,592 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3889 transitions. Word has length 95 [2025-03-04 10:52:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:08,593 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 3889 transitions. [2025-03-04 10:52:08,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3889 transitions. [2025-03-04 10:52:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 10:52:08,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:08,593 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:08,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:08,794 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,SelfDestructingSolverStorable60 [2025-03-04 10:52:08,795 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:08,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:08,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1501714046, now seen corresponding path program 1 times [2025-03-04 10:52:08,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:08,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144533409] [2025-03-04 10:52:08,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:08,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:08,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:08,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:08,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:08,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330399153] [2025-03-04 10:52:08,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:08,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:08,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:08,810 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) [2025-03-04 10:52:08,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-04 10:52:08,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:08,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:08,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:08,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:08,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:08,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:09,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:09,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:09,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144533409] [2025-03-04 10:52:09,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:09,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330399153] [2025-03-04 10:52:09,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330399153] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:09,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:09,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-03-04 10:52:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940314279] [2025-03-04 10:52:09,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:09,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-04 10:52:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:09,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-04 10:52:09,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:09,551 INFO L87 Difference]: Start difference. First operand 3017 states and 3889 transitions. Second operand has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:11,113 INFO L93 Difference]: Finished difference Result 3037 states and 3910 transitions. [2025-03-04 10:52:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:11,113 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-03-04 10:52:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:11,117 INFO L225 Difference]: With dead ends: 3037 [2025-03-04 10:52:11,117 INFO L226 Difference]: Without dead ends: 3013 [2025-03-04 10:52:11,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=1158, Unknown=0, NotChecked=0, Total=1406 [2025-03-04 10:52:11,118 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 289 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:11,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 952 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 10:52:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2025-03-04 10:52:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3010. [2025-03-04 10:52:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2904 states have (on average 1.290289256198347) internal successors, (3747), 2934 states have internal predecessors, (3747), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 3885 transitions. [2025-03-04 10:52:11,241 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 3885 transitions. Word has length 96 [2025-03-04 10:52:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:11,241 INFO L471 AbstractCegarLoop]: Abstraction has 3010 states and 3885 transitions. [2025-03-04 10:52:11,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 3885 transitions. [2025-03-04 10:52:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:11,242 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:11,242 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:11,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-04 10:52:11,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:11,442 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:11,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:11,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1177070159, now seen corresponding path program 1 times [2025-03-04 10:52:11,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:11,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323472615] [2025-03-04 10:52:11,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:11,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:11,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:11,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:11,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:11,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:11,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055220382] [2025-03-04 10:52:11,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:11,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:11,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:11,461 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) [2025-03-04 10:52:11,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-04 10:52:11,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:11,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:11,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:11,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:11,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:11,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:11,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323472615] [2025-03-04 10:52:12,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055220382] [2025-03-04 10:52:12,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055220382] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:12,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:12,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:52:12,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509444857] [2025-03-04 10:52:12,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:12,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:12,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:12,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:12,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:12,105 INFO L87 Difference]: Start difference. First operand 3010 states and 3885 transitions. Second operand has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:14,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:14,528 INFO L93 Difference]: Finished difference Result 3054 states and 3932 transitions. [2025-03-04 10:52:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-04 10:52:14,528 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:14,532 INFO L225 Difference]: With dead ends: 3054 [2025-03-04 10:52:14,532 INFO L226 Difference]: Without dead ends: 3051 [2025-03-04 10:52:14,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-03-04 10:52:14,533 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1014 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:14,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 400 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:52:14,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2025-03-04 10:52:14,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3020. [2025-03-04 10:52:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 2914 states have (on average 1.2882635552505148) internal successors, (3754), 2944 states have internal predecessors, (3754), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3892 transitions. [2025-03-04 10:52:14,665 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3892 transitions. Word has length 97 [2025-03-04 10:52:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:14,665 INFO L471 AbstractCegarLoop]: Abstraction has 3020 states and 3892 transitions. [2025-03-04 10:52:14,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3892 transitions. [2025-03-04 10:52:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:14,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:14,666 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:14,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-03-04 10:52:14,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:14,867 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:14,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:14,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1047503538, now seen corresponding path program 1 times [2025-03-04 10:52:14,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:14,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20265725] [2025-03-04 10:52:14,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:14,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:14,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:14,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:14,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:14,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014622265] [2025-03-04 10:52:14,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:14,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:14,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:14,879 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:14,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-04 10:52:14,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:14,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:14,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:14,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:14,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:14,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:15,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:15,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20265725] [2025-03-04 10:52:15,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014622265] [2025-03-04 10:52:15,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014622265] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:15,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:15,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:15,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114314799] [2025-03-04 10:52:15,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:15,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:15,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:15,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:15,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:15,437 INFO L87 Difference]: Start difference. First operand 3020 states and 3892 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:18,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:18,278 INFO L93 Difference]: Finished difference Result 3313 states and 4246 transitions. [2025-03-04 10:52:18,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-04 10:52:18,279 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:18,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:18,281 INFO L225 Difference]: With dead ends: 3313 [2025-03-04 10:52:18,282 INFO L226 Difference]: Without dead ends: 3311 [2025-03-04 10:52:18,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=500, Invalid=3160, Unknown=0, NotChecked=0, Total=3660 [2025-03-04 10:52:18,283 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 525 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:18,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1282 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 10:52:18,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2025-03-04 10:52:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3115. [2025-03-04 10:52:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 3007 states have (on average 1.2883272364482874) internal successors, (3874), 3037 states have internal predecessors, (3874), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4016 transitions. [2025-03-04 10:52:18,403 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4016 transitions. Word has length 97 [2025-03-04 10:52:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:18,403 INFO L471 AbstractCegarLoop]: Abstraction has 3115 states and 4016 transitions. [2025-03-04 10:52:18,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4016 transitions. [2025-03-04 10:52:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:18,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:18,404 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:18,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-03-04 10:52:18,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:18,605 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:18,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash -699680590, now seen corresponding path program 2 times [2025-03-04 10:52:18,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:18,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838766146] [2025-03-04 10:52:18,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:18,610 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:18,621 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:18,621 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:18,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:18,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181495368] [2025-03-04 10:52:18,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:18,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:18,624 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:18,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-04 10:52:18,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:18,664 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:18,664 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:18,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:18,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:18,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:18,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:19,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838766146] [2025-03-04 10:52:19,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181495368] [2025-03-04 10:52:19,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181495368] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:19,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:19,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:19,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127314126] [2025-03-04 10:52:19,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:19,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:19,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:19,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:19,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:19,252 INFO L87 Difference]: Start difference. First operand 3115 states and 4016 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:21,039 INFO L93 Difference]: Finished difference Result 3224 states and 4129 transitions. [2025-03-04 10:52:21,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-04 10:52:21,040 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:21,042 INFO L225 Difference]: With dead ends: 3224 [2025-03-04 10:52:21,042 INFO L226 Difference]: Without dead ends: 3222 [2025-03-04 10:52:21,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=463, Invalid=2087, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:52:21,043 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 498 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:21,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 774 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:52:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2025-03-04 10:52:21,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3146. [2025-03-04 10:52:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 3038 states have (on average 1.2847267939433837) internal successors, (3903), 3068 states have internal predecessors, (3903), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4045 transitions. [2025-03-04 10:52:21,156 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4045 transitions. Word has length 97 [2025-03-04 10:52:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 3146 states and 4045 transitions. [2025-03-04 10:52:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4045 transitions. [2025-03-04 10:52:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 10:52:21,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:21,156 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:21,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:21,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2025-03-04 10:52:21,357 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:21,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:21,357 INFO L85 PathProgramCache]: Analyzing trace with hash 887675379, now seen corresponding path program 2 times [2025-03-04 10:52:21,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:21,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766004963] [2025-03-04 10:52:21,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:21,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:21,360 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:21,370 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:21,370 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:21,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:21,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509337443] [2025-03-04 10:52:21,371 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:21,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:21,377 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:21,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-04 10:52:21,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:21,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:21,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:21,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:21,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:21,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:21,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:21,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766004963] [2025-03-04 10:52:21,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509337443] [2025-03-04 10:52:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509337443] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:21,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:21,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:52:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632429981] [2025-03-04 10:52:21,801 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:21,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:21,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:21,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:21,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:21,802 INFO L87 Difference]: Start difference. First operand 3146 states and 4045 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:22,481 INFO L93 Difference]: Finished difference Result 3345 states and 4284 transitions. [2025-03-04 10:52:22,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:22,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2025-03-04 10:52:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:22,484 INFO L225 Difference]: With dead ends: 3345 [2025-03-04 10:52:22,484 INFO L226 Difference]: Without dead ends: 3343 [2025-03-04 10:52:22,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2025-03-04 10:52:22,485 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 352 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:22,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1015 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:22,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2025-03-04 10:52:22,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3178. [2025-03-04 10:52:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3070 states have (on average 1.280456026058632) internal successors, (3931), 3100 states have internal predecessors, (3931), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4073 transitions. [2025-03-04 10:52:22,621 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4073 transitions. Word has length 100 [2025-03-04 10:52:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:22,621 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4073 transitions. [2025-03-04 10:52:22,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4073 transitions. [2025-03-04 10:52:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:52:22,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:22,622 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:22,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:22,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2025-03-04 10:52:22,822 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:22,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:22,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1673068974, now seen corresponding path program 1 times [2025-03-04 10:52:22,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:22,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44881989] [2025-03-04 10:52:22,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:22,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:22,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:22,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:22,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:22,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:22,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44881989] [2025-03-04 10:52:22,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44881989] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222209631] [2025-03-04 10:52:22,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:22,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:22,879 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:22,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-04 10:52:22,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:22,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:22,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:22,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:22,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:22,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:22,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:23,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222209631] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:23,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:23,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 10:52:23,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137615297] [2025-03-04 10:52:23,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:23,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:23,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:23,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:23,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:23,103 INFO L87 Difference]: Start difference. First operand 3178 states and 4073 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:23,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:23,635 INFO L93 Difference]: Finished difference Result 3684 states and 4674 transitions. [2025-03-04 10:52:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:52:23,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 101 [2025-03-04 10:52:23,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:23,639 INFO L225 Difference]: With dead ends: 3684 [2025-03-04 10:52:23,639 INFO L226 Difference]: Without dead ends: 3682 [2025-03-04 10:52:23,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:52:23,640 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 335 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:23,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 770 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2025-03-04 10:52:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3178. [2025-03-04 10:52:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3070 states have (on average 1.2677524429967426) internal successors, (3892), 3100 states have internal predecessors, (3892), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4034 transitions. [2025-03-04 10:52:23,805 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4034 transitions. Word has length 101 [2025-03-04 10:52:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:23,805 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4034 transitions. [2025-03-04 10:52:23,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4034 transitions. [2025-03-04 10:52:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 10:52:23,806 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:23,806 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:23,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2025-03-04 10:52:24,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-03-04 10:52:24,011 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:24,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:24,011 INFO L85 PathProgramCache]: Analyzing trace with hash -697610104, now seen corresponding path program 1 times [2025-03-04 10:52:24,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:24,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356688824] [2025-03-04 10:52:24,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:24,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:24,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:24,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:24,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:24,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:24,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108418548] [2025-03-04 10:52:24,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:24,025 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:24,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-04 10:52:24,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:24,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:24,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:24,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:24,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 10:52:24,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:24,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-04 10:52:24,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:24,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356688824] [2025-03-04 10:52:24,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:24,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108418548] [2025-03-04 10:52:24,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108418548] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:24,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-03-04 10:52:24,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354447618] [2025-03-04 10:52:24,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:24,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:24,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:24,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:24,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:24,650 INFO L87 Difference]: Start difference. First operand 3178 states and 4034 transitions. Second operand has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:26,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:26,115 INFO L93 Difference]: Finished difference Result 3226 states and 4091 transitions. [2025-03-04 10:52:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 10:52:26,115 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 104 [2025-03-04 10:52:26,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:26,117 INFO L225 Difference]: With dead ends: 3226 [2025-03-04 10:52:26,117 INFO L226 Difference]: Without dead ends: 3224 [2025-03-04 10:52:26,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-03-04 10:52:26,118 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 327 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:26,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 309 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 10:52:26,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3224 states. [2025-03-04 10:52:26,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3224 to 3179. [2025-03-04 10:52:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3072 states have (on average 1.2467447916666667) internal successors, (3830), 3101 states have internal predecessors, (3830), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 3972 transitions. [2025-03-04 10:52:26,251 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 3972 transitions. Word has length 104 [2025-03-04 10:52:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:26,252 INFO L471 AbstractCegarLoop]: Abstraction has 3179 states and 3972 transitions. [2025-03-04 10:52:26,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3972 transitions. [2025-03-04 10:52:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-04 10:52:26,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:26,252 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:26,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2025-03-04 10:52:26,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2025-03-04 10:52:26,453 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:26,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2084248993, now seen corresponding path program 1 times [2025-03-04 10:52:26,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218382609] [2025-03-04 10:52:26,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:26,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:26,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:26,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218382609] [2025-03-04 10:52:26,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218382609] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890644763] [2025-03-04 10:52:26,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:26,660 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:26,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-04 10:52:26,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:26,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:26,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:26,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:26,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:27,003 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:27,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890644763] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:27,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:27,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2025-03-04 10:52:27,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102869715] [2025-03-04 10:52:27,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:27,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:27,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:27,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:27,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:27,291 INFO L87 Difference]: Start difference. First operand 3179 states and 3972 transitions. Second operand has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,392 INFO L93 Difference]: Finished difference Result 3214 states and 4004 transitions. [2025-03-04 10:52:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:52:28,393 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Word has length 112 [2025-03-04 10:52:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,396 INFO L225 Difference]: With dead ends: 3214 [2025-03-04 10:52:28,396 INFO L226 Difference]: Without dead ends: 3163 [2025-03-04 10:52:28,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2025-03-04 10:52:28,396 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 109 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 927 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2025-03-04 10:52:28,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3161. [2025-03-04 10:52:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 3054 states have (on average 1.246234446627374) internal successors, (3806), 3083 states have internal predecessors, (3806), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 3948 transitions. [2025-03-04 10:52:28,526 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 3948 transitions. Word has length 112 [2025-03-04 10:52:28,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,526 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 3948 transitions. [2025-03-04 10:52:28,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3948 transitions. [2025-03-04 10:52:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-04 10:52:28,527 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,527 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:28,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2025-03-04 10:52:28,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2025-03-04 10:52:28,727 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:28,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:28,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2112968708, now seen corresponding path program 1 times [2025-03-04 10:52:28,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:28,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582087853] [2025-03-04 10:52:28,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:28,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:28,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:28,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577668396] [2025-03-04 10:52:28,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:28,762 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:28,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-03-04 10:52:28,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:28,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:28,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:28,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:28,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-04 10:52:28,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 3 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:52:29,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:30,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582087853] [2025-03-04 10:52:30,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577668396] [2025-03-04 10:52:30,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577668396] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:30,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:30,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-03-04 10:52:30,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770264715] [2025-03-04 10:52:30,422 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:30,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:30,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:30,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:30,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:30,423 INFO L87 Difference]: Start difference. First operand 3161 states and 3948 transitions. Second operand has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:31,140 INFO L93 Difference]: Finished difference Result 3162 states and 3948 transitions. [2025-03-04 10:52:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:31,140 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 116 [2025-03-04 10:52:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:31,143 INFO L225 Difference]: With dead ends: 3162 [2025-03-04 10:52:31,143 INFO L226 Difference]: Without dead ends: 3161 [2025-03-04 10:52:31,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:52:31,144 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:31,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 916 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2025-03-04 10:52:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 3161. [2025-03-04 10:52:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 3054 states have (on average 1.2459070072036673) internal successors, (3805), 3083 states have internal predecessors, (3805), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 3947 transitions. [2025-03-04 10:52:31,303 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 3947 transitions. Word has length 116 [2025-03-04 10:52:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:31,303 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 3947 transitions. [2025-03-04 10:52:31,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3947 transitions. [2025-03-04 10:52:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 10:52:31,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:31,304 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:31,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2025-03-04 10:52:31,504 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:31,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:31,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1235479943, now seen corresponding path program 1 times [2025-03-04 10:52:31,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605419839] [2025-03-04 10:52:31,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:31,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:31,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:31,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:31,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605419839] [2025-03-04 10:52:31,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605419839] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:31,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749354720] [2025-03-04 10:52:31,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:31,624 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:31,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-03-04 10:52:31,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:31,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:31,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:31,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:31,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:32,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749354720] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:32,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:32,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-04 10:52:32,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975586552] [2025-03-04 10:52:32,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:32,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:32,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:32,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:32,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:32,229 INFO L87 Difference]: Start difference. First operand 3161 states and 3947 transitions. Second operand has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,850 INFO L93 Difference]: Finished difference Result 3198 states and 3983 transitions. [2025-03-04 10:52:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:32,851 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 117 [2025-03-04 10:52:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,853 INFO L225 Difference]: With dead ends: 3198 [2025-03-04 10:52:32,853 INFO L226 Difference]: Without dead ends: 3149 [2025-03-04 10:52:32,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:32,854 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 785 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:32,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2025-03-04 10:52:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2025-03-04 10:52:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3042 states have (on average 1.244575936883629) internal successors, (3786), 3071 states have internal predecessors, (3786), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 3928 transitions. [2025-03-04 10:52:33,020 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 3928 transitions. Word has length 117 [2025-03-04 10:52:33,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:33,020 INFO L471 AbstractCegarLoop]: Abstraction has 3149 states and 3928 transitions. [2025-03-04 10:52:33,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3928 transitions. [2025-03-04 10:52:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 10:52:33,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:33,021 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:33,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2025-03-04 10:52:33,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:33,222 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:33,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1842146946, now seen corresponding path program 1 times [2025-03-04 10:52:33,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:33,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590371335] [2025-03-04 10:52:33,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:33,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:33,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:33,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:33,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785762430] [2025-03-04 10:52:33,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:33,238 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:33,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2025-03-04 10:52:33,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:33,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:33,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:33,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:33,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:33,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:33,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:33,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590371335] [2025-03-04 10:52:33,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:33,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785762430] [2025-03-04 10:52:33,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785762430] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:33,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898339272] [2025-03-04 10:52:33,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:33,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:33,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:33,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:33,920 INFO L87 Difference]: Start difference. First operand 3149 states and 3928 transitions. Second operand has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:35,520 INFO L93 Difference]: Finished difference Result 3240 states and 4021 transitions. [2025-03-04 10:52:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:35,521 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 122 [2025-03-04 10:52:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:35,524 INFO L225 Difference]: With dead ends: 3240 [2025-03-04 10:52:35,524 INFO L226 Difference]: Without dead ends: 3238 [2025-03-04 10:52:35,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=1458, Unknown=0, NotChecked=0, Total=1722 [2025-03-04 10:52:35,524 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 333 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:35,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1278 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 10:52:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2025-03-04 10:52:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3194. [2025-03-04 10:52:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3086 states have (on average 1.2427090084251458) internal successors, (3835), 3115 states have internal predecessors, (3835), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-03-04 10:52:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 3979 transitions. [2025-03-04 10:52:35,674 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 3979 transitions. Word has length 122 [2025-03-04 10:52:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:35,675 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 3979 transitions. [2025-03-04 10:52:35,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3979 transitions. [2025-03-04 10:52:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-04 10:52:35,675 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:35,675 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:35,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:35,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:35,880 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:35,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1423744396, now seen corresponding path program 2 times [2025-03-04 10:52:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:35,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44537888] [2025-03-04 10:52:35,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:35,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:35,891 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:35,892 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:35,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482747557] [2025-03-04 10:52:35,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:35,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:35,895 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:35,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2025-03-04 10:52:35,915 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:35,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:35,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:35,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:35,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:35,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:36,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:36,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:36,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44537888] [2025-03-04 10:52:36,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:36,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482747557] [2025-03-04 10:52:36,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482747557] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:36,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:36,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:36,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15256025] [2025-03-04 10:52:36,422 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:36,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:36,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:36,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:36,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:36,423 INFO L87 Difference]: Start difference. First operand 3194 states and 3979 transitions. Second operand has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:38,999 INFO L93 Difference]: Finished difference Result 4908 states and 6213 transitions. [2025-03-04 10:52:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:38,999 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 123 [2025-03-04 10:52:38,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:39,003 INFO L225 Difference]: With dead ends: 4908 [2025-03-04 10:52:39,003 INFO L226 Difference]: Without dead ends: 4906 [2025-03-04 10:52:39,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2025-03-04 10:52:39,005 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1128 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:39,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 789 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-04 10:52:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4906 states. [2025-03-04 10:52:39,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4906 to 4427. [2025-03-04 10:52:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4277 states have (on average 1.2522796352583587) internal successors, (5356), 4306 states have internal predecessors, (5356), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 5584 transitions. [2025-03-04 10:52:39,197 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 5584 transitions. Word has length 123 [2025-03-04 10:52:39,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:39,197 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 5584 transitions. [2025-03-04 10:52:39,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 5584 transitions. [2025-03-04 10:52:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 10:52:39,198 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:39,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:39,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2025-03-04 10:52:39,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,399 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:39,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash 761364398, now seen corresponding path program 1 times [2025-03-04 10:52:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923392688] [2025-03-04 10:52:39,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:39,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:39,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:39,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345343094] [2025-03-04 10:52:39,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:39,412 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:39,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2025-03-04 10:52:39,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:39,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:39,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:39,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:39,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-04 10:52:39,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923392688] [2025-03-04 10:52:39,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345343094] [2025-03-04 10:52:39,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345343094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:39,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:39,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 10:52:39,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187806433] [2025-03-04 10:52:39,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:39,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:39,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:39,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:39,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:39,711 INFO L87 Difference]: Start difference. First operand 4427 states and 5584 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:40,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:40,303 INFO L93 Difference]: Finished difference Result 4477 states and 5630 transitions. [2025-03-04 10:52:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:40,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2025-03-04 10:52:40,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:40,306 INFO L225 Difference]: With dead ends: 4477 [2025-03-04 10:52:40,306 INFO L226 Difference]: Without dead ends: 4474 [2025-03-04 10:52:40,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:40,307 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 172 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:40,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 186 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2025-03-04 10:52:40,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4453. [2025-03-04 10:52:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 4303 states have (on average 1.2516848710202184) internal successors, (5386), 4332 states have internal predecessors, (5386), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 5614 transitions. [2025-03-04 10:52:40,507 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 5614 transitions. Word has length 124 [2025-03-04 10:52:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:40,507 INFO L471 AbstractCegarLoop]: Abstraction has 4453 states and 5614 transitions. [2025-03-04 10:52:40,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 5614 transitions. [2025-03-04 10:52:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 10:52:40,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:40,508 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-04 10:52:40,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:40,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2025-03-04 10:52:40,709 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:40,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 84470716, now seen corresponding path program 1 times [2025-03-04 10:52:40,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:40,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397032242] [2025-03-04 10:52:40,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:40,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:40,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:52:40,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:52:40,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:40,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-04 10:52:40,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:40,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397032242] [2025-03-04 10:52:40,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397032242] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:40,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:40,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:52:40,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357988201] [2025-03-04 10:52:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:40,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:40,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:40,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:40,782 INFO L87 Difference]: Start difference. First operand 4453 states and 5614 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:41,094 INFO L93 Difference]: Finished difference Result 4475 states and 5627 transitions. [2025-03-04 10:52:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:41,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 127 [2025-03-04 10:52:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:41,098 INFO L225 Difference]: With dead ends: 4475 [2025-03-04 10:52:41,098 INFO L226 Difference]: Without dead ends: 4453 [2025-03-04 10:52:41,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:41,098 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:41,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 278 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2025-03-04 10:52:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 4442. [2025-03-04 10:52:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4292 states have (on average 1.2520969245107176) internal successors, (5374), 4321 states have internal predecessors, (5374), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 5602 transitions. [2025-03-04 10:52:41,337 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 5602 transitions. Word has length 127 [2025-03-04 10:52:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:41,337 INFO L471 AbstractCegarLoop]: Abstraction has 4442 states and 5602 transitions. [2025-03-04 10:52:41,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 5602 transitions. [2025-03-04 10:52:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 10:52:41,337 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:41,337 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:41,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-03-04 10:52:41,338 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:41,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:41,338 INFO L85 PathProgramCache]: Analyzing trace with hash -436197114, now seen corresponding path program 2 times [2025-03-04 10:52:41,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:41,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408290215] [2025-03-04 10:52:41,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:41,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:41,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:41,348 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:41,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:41,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:41,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403830332] [2025-03-04 10:52:41,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:41,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:41,351 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:41,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2025-03-04 10:52:41,371 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:41,389 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:41,390 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:41,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:41,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-04 10:52:41,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:41,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:42,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:42,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408290215] [2025-03-04 10:52:42,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:42,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403830332] [2025-03-04 10:52:42,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403830332] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:42,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:42,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:42,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535561263] [2025-03-04 10:52:42,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:42,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:42,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:42,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:42,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:42,177 INFO L87 Difference]: Start difference. First operand 4442 states and 5602 transitions. Second operand has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:45,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:45,547 INFO L93 Difference]: Finished difference Result 4520 states and 5684 transitions. [2025-03-04 10:52:45,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:52:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 129 [2025-03-04 10:52:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:45,552 INFO L225 Difference]: With dead ends: 4520 [2025-03-04 10:52:45,552 INFO L226 Difference]: Without dead ends: 4502 [2025-03-04 10:52:45,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2025-03-04 10:52:45,553 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1192 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:45,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 588 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-03-04 10:52:45,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2025-03-04 10:52:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4442. [2025-03-04 10:52:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4292 states have (on average 1.2509319664492078) internal successors, (5369), 4321 states have internal predecessors, (5369), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 5597 transitions. [2025-03-04 10:52:45,747 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 5597 transitions. Word has length 129 [2025-03-04 10:52:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:45,747 INFO L471 AbstractCegarLoop]: Abstraction has 4442 states and 5597 transitions. [2025-03-04 10:52:45,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 5597 transitions. [2025-03-04 10:52:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-04 10:52:45,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:45,748 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:45,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:45,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2025-03-04 10:52:45,949 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:45,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1018657930, now seen corresponding path program 1 times [2025-03-04 10:52:45,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:45,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372512906] [2025-03-04 10:52:45,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:45,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:45,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:45,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:45,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000174067] [2025-03-04 10:52:45,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:45,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:45,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:45,961 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:45,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2025-03-04 10:52:45,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:46,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:46,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:46,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:46,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 10:52:46,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:46,524 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:46,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:46,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372512906] [2025-03-04 10:52:46,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:46,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000174067] [2025-03-04 10:52:46,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000174067] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:46,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:46,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2025-03-04 10:52:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121828040] [2025-03-04 10:52:46,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:46,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:46,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:46,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:46,881 INFO L87 Difference]: Start difference. First operand 4442 states and 5597 transitions. Second operand has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)