./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-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 8d4ed8c57ce722a6c7368f844e0bd557207245c570ed48ded2021df85adb4676 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:05:13,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:05:13,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:05:13,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:05:13,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:05:13,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:05:13,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:05:13,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:05:13,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:05:13,648 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:05:13,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:05:13,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:05:13,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:05:13,649 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:05:13,650 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:13,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:05:13,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:05:13,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:05:13,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:05:13,651 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 -> 8d4ed8c57ce722a6c7368f844e0bd557207245c570ed48ded2021df85adb4676 [2025-03-09 02:05:13,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:05:13,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:05:13,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:05:13,896 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:05:13,896 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:05:13,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c [2025-03-09 02:05:15,119 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5dfb3088/a5ab74714a3d46328a2019eb3907c36e/FLAGa54a24d49 [2025-03-09 02:05:15,316 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:05:15,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound10.c [2025-03-09 02:05:15,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5dfb3088/a5ab74714a3d46328a2019eb3907c36e/FLAGa54a24d49 [2025-03-09 02:05:15,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5dfb3088/a5ab74714a3d46328a2019eb3907c36e [2025-03-09 02:05:15,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:05:15,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:05:15,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:15,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:05:15,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:05:15,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cfecb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15, skipping insertion in model container [2025-03-09 02:05:15,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:05:15,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:15,808 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:05:15,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:15,845 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:05:15,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15 WrapperNode [2025-03-09 02:05:15,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:15,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:15,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:05:15,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:05:15,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,885 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2025-03-09 02:05:15,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:15,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:05:15,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:05:15,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:05:15,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,899 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,919 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 02:05:15,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:05:15,932 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:05:15,932 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:05:15,932 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:05:15,935 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (1/1) ... [2025-03-09 02:05:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:15,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:05:15,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:05:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:05:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:05:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:05:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:05:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:05:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:05:16,037 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:05:16,038 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:05:16,596 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-09 02:05:16,597 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:05:16,619 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:05:16,619 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:05:16,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:16 BoogieIcfgContainer [2025-03-09 02:05:16,622 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:05:16,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:05:16,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:05:16,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:05:16,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:05:15" (1/3) ... [2025-03-09 02:05:16,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cc6677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:16, skipping insertion in model container [2025-03-09 02:05:16,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:15" (2/3) ... [2025-03-09 02:05:16,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cc6677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:16, skipping insertion in model container [2025-03-09 02:05:16,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:16" (3/3) ... [2025-03-09 02:05:16,632 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound10.c [2025-03-09 02:05:16,645 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:05:16,647 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_unwindbound10.c that has 2 procedures, 306 locations, 1 initial locations, 1 loop locations, and 140 error locations. [2025-03-09 02:05:16,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:05:16,720 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;@1db81f54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:05:16,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2025-03-09 02:05:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:05:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 02:05:16,730 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:16,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 02:05:16,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:16,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash 10188447, now seen corresponding path program 1 times [2025-03-09 02:05:16,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:16,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419115850] [2025-03-09 02:05:16,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:16,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 02:05:16,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 02:05:16,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:16,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:16,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:16,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419115850] [2025-03-09 02:05:16,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419115850] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:16,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:16,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:16,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508162089] [2025-03-09 02:05:16,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:16,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:16,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:16,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:16,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:16,955 INFO L87 Difference]: Start difference. First operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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) [2025-03-09 02:05:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:17,027 INFO L93 Difference]: Finished difference Result 606 states and 654 transitions. [2025-03-09 02:05:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:17,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 [2025-03-09 02:05:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:17,034 INFO L225 Difference]: With dead ends: 606 [2025-03-09 02:05:17,034 INFO L226 Difference]: Without dead ends: 296 [2025-03-09 02:05:17,037 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 [2025-03-09 02:05:17,039 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 4 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:17,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 909 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:17,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-03-09 02:05:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2025-03-09 02:05:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 152 states have (on average 1.881578947368421) internal successors, (286), 284 states have internal predecessors, (286), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:05:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 306 transitions. [2025-03-09 02:05:17,084 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 306 transitions. Word has length 4 [2025-03-09 02:05:17,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:17,086 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 306 transitions. [2025-03-09 02:05:17,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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) [2025-03-09 02:05:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 306 transitions. [2025-03-09 02:05:17,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 02:05:17,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:17,087 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:17,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:05:17,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:17,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1418391353, now seen corresponding path program 1 times [2025-03-09 02:05:17,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:17,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971612117] [2025-03-09 02:05:17,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:17,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:17,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 02:05:17,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 02:05:17,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:17,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:17,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971612117] [2025-03-09 02:05:17,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971612117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:17,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:17,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:17,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197111052] [2025-03-09 02:05:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:17,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:17,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:17,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:17,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:17,151 INFO L87 Difference]: Start difference. First operand 296 states and 306 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:17,289 INFO L93 Difference]: Finished difference Result 564 states and 584 transitions. [2025-03-09 02:05:17,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:17,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2025-03-09 02:05:17,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:17,292 INFO L225 Difference]: With dead ends: 564 [2025-03-09 02:05:17,295 INFO L226 Difference]: Without dead ends: 544 [2025-03-09 02:05:17,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:17,296 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 237 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:17,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 581 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-09 02:05:17,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 354. [2025-03-09 02:05:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 205 states have (on average 1.7902439024390244) internal successors, (367), 337 states have internal predecessors, (367), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:05:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 397 transitions. [2025-03-09 02:05:17,327 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 397 transitions. Word has length 7 [2025-03-09 02:05:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 397 transitions. [2025-03-09 02:05:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 397 transitions. [2025-03-09 02:05:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:05:17,327 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:17,328 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:17,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:05:17,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:17,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:17,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1941662720, now seen corresponding path program 1 times [2025-03-09 02:05:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:17,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725885108] [2025-03-09 02:05:17,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:17,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:17,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:05:17,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:05:17,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:17,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:17,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42144771] [2025-03-09 02:05:17,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:17,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:17,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:17,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:05:17,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:05:17,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:05:17,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:17,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:17,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:17,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:17,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:17,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:17,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725885108] [2025-03-09 02:05:17,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:17,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42144771] [2025-03-09 02:05:17,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42144771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:17,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:17,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:17,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607231745] [2025-03-09 02:05:17,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:17,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:17,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:17,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:17,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:17,571 INFO L87 Difference]: Start difference. First operand 354 states and 397 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:18,000 INFO L93 Difference]: Finished difference Result 514 states and 572 transitions. [2025-03-09 02:05:18,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-03-09 02:05:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:18,002 INFO L225 Difference]: With dead ends: 514 [2025-03-09 02:05:18,003 INFO L226 Difference]: Without dead ends: 459 [2025-03-09 02:05:18,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:18,003 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 134 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:18,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:18,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2025-03-09 02:05:18,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 439. [2025-03-09 02:05:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.6491228070175439) internal successors, (470), 417 states have internal predecessors, (470), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 510 transitions. [2025-03-09 02:05:18,020 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 510 transitions. Word has length 40 [2025-03-09 02:05:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:18,020 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 510 transitions. [2025-03-09 02:05:18,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 510 transitions. [2025-03-09 02:05:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:05:18,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:18,021 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:18,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:05:18,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:18,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:18,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1922060450, now seen corresponding path program 1 times [2025-03-09 02:05:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837973196] [2025-03-09 02:05:18,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:18,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:05:18,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:05:18,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:18,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:18,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:18,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837973196] [2025-03-09 02:05:18,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837973196] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:18,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:18,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666836775] [2025-03-09 02:05:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:18,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:18,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:18,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:18,322 INFO L87 Difference]: Start difference. First operand 439 states and 510 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:18,616 INFO L93 Difference]: Finished difference Result 472 states and 517 transitions. [2025-03-09 02:05:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-03-09 02:05:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:18,619 INFO L225 Difference]: With dead ends: 472 [2025-03-09 02:05:18,619 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:18,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:18,619 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:18,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 487 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:18,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:18,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.568421052631579) internal successors, (447), 417 states have internal predecessors, (447), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 487 transitions. [2025-03-09 02:05:18,637 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 487 transitions. Word has length 42 [2025-03-09 02:05:18,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:18,637 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 487 transitions. [2025-03-09 02:05:18,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 487 transitions. [2025-03-09 02:05:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-09 02:05:18,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:18,638 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:18,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:05:18,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:18,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -264148292, now seen corresponding path program 1 times [2025-03-09 02:05:18,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:18,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201927501] [2025-03-09 02:05:18,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:18,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 02:05:18,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 02:05:18,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:18,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:18,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:18,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201927501] [2025-03-09 02:05:18,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201927501] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:18,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:18,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:18,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652326135] [2025-03-09 02:05:18,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:18,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:18,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:18,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:18,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:18,728 INFO L87 Difference]: Start difference. First operand 439 states and 487 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:19,255 INFO L93 Difference]: Finished difference Result 451 states and 494 transitions. [2025-03-09 02:05:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:19,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2025-03-09 02:05:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:19,257 INFO L225 Difference]: With dead ends: 451 [2025-03-09 02:05:19,257 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:19,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:19,259 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 140 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:19,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 528 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 02:05:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.5614035087719298) internal successors, (445), 417 states have internal predecessors, (445), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 485 transitions. [2025-03-09 02:05:19,271 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 485 transitions. Word has length 44 [2025-03-09 02:05:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:19,273 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 485 transitions. [2025-03-09 02:05:19,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 485 transitions. [2025-03-09 02:05:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 02:05:19,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:19,274 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:19,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:05:19,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:19,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:19,274 INFO L85 PathProgramCache]: Analyzing trace with hash 401337751, now seen corresponding path program 1 times [2025-03-09 02:05:19,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:19,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471310125] [2025-03-09 02:05:19,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:19,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:05:19,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:05:19,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:19,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:19,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:19,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471310125] [2025-03-09 02:05:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471310125] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:19,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:19,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332630943] [2025-03-09 02:05:19,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:19,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:19,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:19,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:19,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:19,340 INFO L87 Difference]: Start difference. First operand 439 states and 485 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:19,644 INFO L93 Difference]: Finished difference Result 451 states and 492 transitions. [2025-03-09 02:05:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2025-03-09 02:05:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:19,646 INFO L225 Difference]: With dead ends: 451 [2025-03-09 02:05:19,646 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:19,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:19,647 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 255 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:19,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 452 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:19,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.5543859649122806) internal successors, (443), 417 states have internal predecessors, (443), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 483 transitions. [2025-03-09 02:05:19,660 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 483 transitions. Word has length 45 [2025-03-09 02:05:19,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:19,660 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 483 transitions. [2025-03-09 02:05:19,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 483 transitions. [2025-03-09 02:05:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:05:19,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:19,661 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:19,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:05:19,661 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:19,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash -935804552, now seen corresponding path program 1 times [2025-03-09 02:05:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:19,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361719646] [2025-03-09 02:05:19,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:19,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:05:19,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:05:19,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:19,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102279652] [2025-03-09 02:05:19,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:19,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:19,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:19,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:19,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:05:19,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:05:19,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:05:19,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:19,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:19,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:05:19,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:19,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:19,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:19,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361719646] [2025-03-09 02:05:19,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102279652] [2025-03-09 02:05:19,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102279652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:19,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:19,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:19,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640404242] [2025-03-09 02:05:19,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:19,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:19,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:19,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:19,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:19,922 INFO L87 Difference]: Start difference. First operand 439 states and 483 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:20,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:20,236 INFO L93 Difference]: Finished difference Result 456 states and 490 transitions. [2025-03-09 02:05:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:20,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-03-09 02:05:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:20,239 INFO L225 Difference]: With dead ends: 456 [2025-03-09 02:05:20,239 INFO L226 Difference]: Without dead ends: 447 [2025-03-09 02:05:20,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:20,240 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:20,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 283 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-09 02:05:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 442. [2025-03-09 02:05:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 288 states have (on average 1.5277777777777777) internal successors, (440), 420 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 480 transitions. [2025-03-09 02:05:20,254 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 480 transitions. Word has length 48 [2025-03-09 02:05:20,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:20,254 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 480 transitions. [2025-03-09 02:05:20,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 480 transitions. [2025-03-09 02:05:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 02:05:20,255 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:20,255 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:20,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:05:20,456 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 [2025-03-09 02:05:20,456 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:20,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:20,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1054830163, now seen corresponding path program 1 times [2025-03-09 02:05:20,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:20,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779983838] [2025-03-09 02:05:20,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:20,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:05:20,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:05:20,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:20,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:20,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779983838] [2025-03-09 02:05:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779983838] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:20,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:20,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:20,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536953539] [2025-03-09 02:05:20,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:20,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:20,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:20,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:20,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:20,548 INFO L87 Difference]: Start difference. First operand 442 states and 480 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:20,902 INFO L93 Difference]: Finished difference Result 455 states and 481 transitions. [2025-03-09 02:05:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:20,902 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2025-03-09 02:05:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:20,904 INFO L225 Difference]: With dead ends: 455 [2025-03-09 02:05:20,904 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:20,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:20,905 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 136 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:20,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 417 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 442. [2025-03-09 02:05:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 288 states have (on average 1.5069444444444444) internal successors, (434), 420 states have internal predecessors, (434), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 474 transitions. [2025-03-09 02:05:20,926 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 474 transitions. Word has length 49 [2025-03-09 02:05:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:20,927 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 474 transitions. [2025-03-09 02:05:20,927 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 474 transitions. [2025-03-09 02:05:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-09 02:05:20,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:20,928 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:20,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:05:20,928 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:20,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:20,932 INFO L85 PathProgramCache]: Analyzing trace with hash -899125489, now seen corresponding path program 1 times [2025-03-09 02:05:20,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:20,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987925899] [2025-03-09 02:05:20,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:20,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-09 02:05:20,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-09 02:05:20,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:20,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:21,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987925899] [2025-03-09 02:05:21,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987925899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:21,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:21,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:21,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840867046] [2025-03-09 02:05:21,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:21,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:21,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:21,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:21,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:21,011 INFO L87 Difference]: Start difference. First operand 442 states and 474 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:21,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:21,423 INFO L93 Difference]: Finished difference Result 453 states and 475 transitions. [2025-03-09 02:05:21,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:21,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2025-03-09 02:05:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:21,425 INFO L225 Difference]: With dead ends: 453 [2025-03-09 02:05:21,425 INFO L226 Difference]: Without dead ends: 380 [2025-03-09 02:05:21,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:21,427 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 119 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:21,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 433 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:21,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-09 02:05:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2025-03-09 02:05:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 357 states have internal predecessors, (365), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 399 transitions. [2025-03-09 02:05:21,438 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 399 transitions. Word has length 53 [2025-03-09 02:05:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:21,438 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 399 transitions. [2025-03-09 02:05:21,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 399 transitions. [2025-03-09 02:05:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:05:21,440 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:21,440 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:21,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:05:21,440 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:21,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:21,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1828896756, now seen corresponding path program 1 times [2025-03-09 02:05:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:21,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039004008] [2025-03-09 02:05:21,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:21,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:05:21,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:05:21,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:21,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:21,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:21,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039004008] [2025-03-09 02:05:21,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039004008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:21,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:21,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:21,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137223367] [2025-03-09 02:05:21,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:21,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:21,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:21,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:21,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:21,510 INFO L87 Difference]: Start difference. First operand 376 states and 399 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:21,707 INFO L93 Difference]: Finished difference Result 376 states and 399 transitions. [2025-03-09 02:05:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:21,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-03-09 02:05:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:21,709 INFO L225 Difference]: With dead ends: 376 [2025-03-09 02:05:21,709 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:21,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:21,710 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 141 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:21,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 159 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-09 02:05:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 225 states have (on average 1.5911111111111111) internal successors, (358), 350 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 392 transitions. [2025-03-09 02:05:21,717 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 392 transitions. Word has length 85 [2025-03-09 02:05:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:21,717 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 392 transitions. [2025-03-09 02:05:21,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 392 transitions. [2025-03-09 02:05:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:05:21,718 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:21,718 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:21,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:05:21,718 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:21,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash -861224441, now seen corresponding path program 1 times [2025-03-09 02:05:21,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:21,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146935812] [2025-03-09 02:05:21,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:21,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:05:21,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:05:21,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:21,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:21,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:21,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146935812] [2025-03-09 02:05:21,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146935812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:21,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:21,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:21,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142168141] [2025-03-09 02:05:21,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:21,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:21,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:21,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:21,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:21,790 INFO L87 Difference]: Start difference. First operand 369 states and 392 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:21,996 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2025-03-09 02:05:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2025-03-09 02:05:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:21,998 INFO L225 Difference]: With dead ends: 376 [2025-03-09 02:05:21,998 INFO L226 Difference]: Without dead ends: 375 [2025-03-09 02:05:21,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:21,999 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 24 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:21,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 428 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-09 02:05:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2025-03-09 02:05:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 352 states have internal predecessors, (360), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 394 transitions. [2025-03-09 02:05:22,011 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 394 transitions. Word has length 86 [2025-03-09 02:05:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:22,012 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 394 transitions. [2025-03-09 02:05:22,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 394 transitions. [2025-03-09 02:05:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:05:22,014 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:22,014 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:22,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 02:05:22,014 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:22,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1376228870, now seen corresponding path program 1 times [2025-03-09 02:05:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264746835] [2025-03-09 02:05:22,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:22,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:22,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:22,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:22,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264746835] [2025-03-09 02:05:22,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264746835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:22,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:22,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793435605] [2025-03-09 02:05:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:22,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:22,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:22,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:22,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:22,092 INFO L87 Difference]: Start difference. First operand 371 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:22,184 INFO L93 Difference]: Finished difference Result 371 states and 394 transitions. [2025-03-09 02:05:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2025-03-09 02:05:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:22,186 INFO L225 Difference]: With dead ends: 371 [2025-03-09 02:05:22,186 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:22,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:22,187 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 195 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:22,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 267 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-09 02:05:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 227 states have (on average 1.5682819383259912) internal successors, (356), 350 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 390 transitions. [2025-03-09 02:05:22,194 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 390 transitions. Word has length 88 [2025-03-09 02:05:22,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:22,194 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 390 transitions. [2025-03-09 02:05:22,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 390 transitions. [2025-03-09 02:05:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:05:22,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:22,195 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:22,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:05:22,195 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:22,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash -286577856, now seen corresponding path program 1 times [2025-03-09 02:05:22,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:22,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809723838] [2025-03-09 02:05:22,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:22,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:22,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:22,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:22,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:22,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809723838] [2025-03-09 02:05:22,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809723838] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:22,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:22,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:05:22,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677538910] [2025-03-09 02:05:22,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:22,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:22,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:22,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:22,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:22,256 INFO L87 Difference]: Start difference. First operand 369 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:22,398 INFO L93 Difference]: Finished difference Result 373 states and 390 transitions. [2025-03-09 02:05:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:22,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89 [2025-03-09 02:05:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:22,400 INFO L225 Difference]: With dead ends: 373 [2025-03-09 02:05:22,400 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:22,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:22,400 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 48 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:22,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 738 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:22,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2025-03-09 02:05:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 225 states have (on average 1.5644444444444445) internal successors, (352), 348 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 386 transitions. [2025-03-09 02:05:22,409 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 386 transitions. Word has length 89 [2025-03-09 02:05:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:22,409 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 386 transitions. [2025-03-09 02:05:22,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 386 transitions. [2025-03-09 02:05:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:05:22,410 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:22,410 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:22,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 02:05:22,410 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:22,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:22,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1292008901, now seen corresponding path program 1 times [2025-03-09 02:05:22,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:22,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912718754] [2025-03-09 02:05:22,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:22,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:22,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:22,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:22,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912718754] [2025-03-09 02:05:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912718754] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89737658] [2025-03-09 02:05:22,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:22,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:22,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:22,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:05:22,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:22,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:22,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:22,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:22,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:22,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89737658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:22,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:05:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260546640] [2025-03-09 02:05:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:22,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:22,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:22,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:22,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:22,666 INFO L87 Difference]: Start difference. First operand 367 states and 386 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:22,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:22,691 INFO L93 Difference]: Finished difference Result 367 states and 386 transitions. [2025-03-09 02:05:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:22,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2025-03-09 02:05:22,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:22,693 INFO L225 Difference]: With dead ends: 367 [2025-03-09 02:05:22,693 INFO L226 Difference]: Without dead ends: 366 [2025-03-09 02:05:22,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:05:22,693 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 223 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:22,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 856 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:22,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-09 02:05:22,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2025-03-09 02:05:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 225 states have (on average 1.56) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2025-03-09 02:05:22,703 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2025-03-09 02:05:22,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:22,704 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2025-03-09 02:05:22,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2025-03-09 02:05:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:05:22,704 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:22,705 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:22,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:22,909 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:22,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1397570531, now seen corresponding path program 1 times [2025-03-09 02:05:22,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:22,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061695095] [2025-03-09 02:05:22,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:22,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:22,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:22,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:22,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:22,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:23,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:23,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061695095] [2025-03-09 02:05:23,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061695095] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:23,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293404303] [2025-03-09 02:05:23,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:23,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:23,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:05:23,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:23,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:23,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:23,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:23,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:23,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:23,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293404303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:23,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:23,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:05:23,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460100805] [2025-03-09 02:05:23,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:23,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:23,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:23,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:23,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:23,174 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:23,238 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2025-03-09 02:05:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:23,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2025-03-09 02:05:23,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:23,241 INFO L225 Difference]: With dead ends: 535 [2025-03-09 02:05:23,241 INFO L226 Difference]: Without dead ends: 534 [2025-03-09 02:05:23,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:05:23,241 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:23,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:23,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-03-09 02:05:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2025-03-09 02:05:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 296 states have (on average 1.6283783783783783) internal successors, (482), 418 states have internal predecessors, (482), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:05:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2025-03-09 02:05:23,255 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2025-03-09 02:05:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:23,255 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2025-03-09 02:05:23,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2025-03-09 02:05:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:05:23,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:23,256 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:23,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:23,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:05:23,461 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:23,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1259474975, now seen corresponding path program 1 times [2025-03-09 02:05:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:23,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498735175] [2025-03-09 02:05:23,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:23,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:05:23,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:05:23,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:23,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:23,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:23,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498735175] [2025-03-09 02:05:23,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498735175] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:23,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890290185] [2025-03-09 02:05:23,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:23,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:23,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:23,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:23,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:05:23,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:05:23,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:05:23,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:23,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:23,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:23,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:23,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:23,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890290185] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:23,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:23,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 02:05:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43032937] [2025-03-09 02:05:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:23,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:23,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:23,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:23,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:23,666 INFO L87 Difference]: Start difference. First operand 442 states and 526 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:23,760 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2025-03-09 02:05:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:23,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2025-03-09 02:05:23,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:23,763 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:05:23,764 INFO L226 Difference]: Without dead ends: 436 [2025-03-09 02:05:23,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:23,764 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:23,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:23,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2025-03-09 02:05:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2025-03-09 02:05:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 296 states have (on average 1.5945945945945945) internal successors, (472), 410 states have internal predecessors, (472), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:05:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2025-03-09 02:05:23,778 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2025-03-09 02:05:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:23,778 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2025-03-09 02:05:23,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2025-03-09 02:05:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:05:23,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:23,779 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:23,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:23,984 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,SelfDestructingSolverStorable15 [2025-03-09 02:05:23,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:23,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash -389018303, now seen corresponding path program 1 times [2025-03-09 02:05:23,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:23,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454802783] [2025-03-09 02:05:23,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:23,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:23,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:05:23,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:05:24,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:24,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:24,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:24,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454802783] [2025-03-09 02:05:24,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454802783] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:24,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443628660] [2025-03-09 02:05:24,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:24,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:24,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:24,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:24,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:05:24,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:05:24,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:05:24,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:24,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:24,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:24,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:24,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443628660] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:24,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:24,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 02:05:24,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213838420] [2025-03-09 02:05:24,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:24,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:05:24,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:24,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:05:24,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:24,326 INFO L87 Difference]: Start difference. First operand 434 states and 516 transitions. Second operand has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:24,467 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2025-03-09 02:05:24,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:24,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2025-03-09 02:05:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:24,470 INFO L225 Difference]: With dead ends: 779 [2025-03-09 02:05:24,471 INFO L226 Difference]: Without dead ends: 771 [2025-03-09 02:05:24,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:24,471 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 458 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:24,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 974 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:24,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2025-03-09 02:05:24,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2025-03-09 02:05:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 367 states have (on average 1.561307901907357) internal successors, (573), 476 states have internal predecessors, (573), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-09 02:05:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2025-03-09 02:05:24,486 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2025-03-09 02:05:24,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:24,487 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2025-03-09 02:05:24,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2025-03-09 02:05:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:05:24,488 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:24,488 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:24,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:24,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 02:05:24,689 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:24,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash -607411062, now seen corresponding path program 1 times [2025-03-09 02:05:24,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:24,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735819224] [2025-03-09 02:05:24,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:24,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:24,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:24,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:24,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:24,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:24,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:24,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735819224] [2025-03-09 02:05:24,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735819224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:24,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132384054] [2025-03-09 02:05:24,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:24,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:24,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:24,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:05:24,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:24,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:24,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:24,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:24,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:24,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:24,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:24,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132384054] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:24,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:24,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-03-09 02:05:24,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610824283] [2025-03-09 02:05:24,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:24,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:05:24,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:24,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:05:24,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:24,994 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:05:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:25,147 INFO L93 Difference]: Finished difference Result 1136 states and 1237 transitions. [2025-03-09 02:05:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:05:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 101 [2025-03-09 02:05:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:25,150 INFO L225 Difference]: With dead ends: 1136 [2025-03-09 02:05:25,150 INFO L226 Difference]: Without dead ends: 966 [2025-03-09 02:05:25,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:05:25,151 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 514 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:25,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1575 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:25,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2025-03-09 02:05:25,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 719. [2025-03-09 02:05:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 563 states have (on average 1.6287744227353464) internal successors, (917), 674 states have internal predecessors, (917), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1001 transitions. [2025-03-09 02:05:25,169 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1001 transitions. Word has length 101 [2025-03-09 02:05:25,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:25,170 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1001 transitions. [2025-03-09 02:05:25,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:05:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1001 transitions. [2025-03-09 02:05:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:05:25,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:25,171 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:25,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:25,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:25,375 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:25,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash 979995133, now seen corresponding path program 1 times [2025-03-09 02:05:25,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:25,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908732478] [2025-03-09 02:05:25,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:25,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:25,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:25,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:25,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:25,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:25,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804620224] [2025-03-09 02:05:25,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:25,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:25,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:25,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:25,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:05:25,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:25,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:25,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:25,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:25,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:25,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:25,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:25,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:25,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908732478] [2025-03-09 02:05:25,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:25,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804620224] [2025-03-09 02:05:25,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804620224] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:25,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:25,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-09 02:05:25,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805702214] [2025-03-09 02:05:25,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:25,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:05:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:25,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:05:25,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:05:25,638 INFO L87 Difference]: Start difference. First operand 719 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:25,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:25,825 INFO L93 Difference]: Finished difference Result 928 states and 1061 transitions. [2025-03-09 02:05:25,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:25,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2025-03-09 02:05:25,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:25,829 INFO L225 Difference]: With dead ends: 928 [2025-03-09 02:05:25,829 INFO L226 Difference]: Without dead ends: 922 [2025-03-09 02:05:25,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:25,830 INFO L435 NwaCegarLoop]: 306 mSDtfsCounter, 1089 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:25,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 954 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:25,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2025-03-09 02:05:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 714. [2025-03-09 02:05:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 563 states have (on average 1.6056838365896982) internal successors, (904), 669 states have internal predecessors, (904), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 988 transitions. [2025-03-09 02:05:25,854 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 988 transitions. Word has length 103 [2025-03-09 02:05:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:25,854 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 988 transitions. [2025-03-09 02:05:25,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 988 transitions. [2025-03-09 02:05:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 02:05:25,855 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:25,855 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:25,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-09 02:05:26,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:26,056 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:26,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:26,057 INFO L85 PathProgramCache]: Analyzing trace with hash -759090339, now seen corresponding path program 1 times [2025-03-09 02:05:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:26,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105192423] [2025-03-09 02:05:26,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:26,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:26,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:26,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:26,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:26,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:26,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825908995] [2025-03-09 02:05:26,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:26,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:26,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:26,076 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:26,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:05:26,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:26,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:26,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:26,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:26,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:26,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:05:26,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105192423] [2025-03-09 02:05:26,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825908995] [2025-03-09 02:05:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825908995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:26,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:26,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:26,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451485180] [2025-03-09 02:05:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:26,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:26,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:26,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:26,223 INFO L87 Difference]: Start difference. First operand 714 states and 988 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:26,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:26,434 INFO L93 Difference]: Finished difference Result 715 states and 988 transitions. [2025-03-09 02:05:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:26,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2025-03-09 02:05:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:26,437 INFO L225 Difference]: With dead ends: 715 [2025-03-09 02:05:26,437 INFO L226 Difference]: Without dead ends: 714 [2025-03-09 02:05:26,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:26,438 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 73 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:26,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 355 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-09 02:05:26,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2025-03-09 02:05:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 563 states have (on average 1.6039076376554173) internal successors, (903), 669 states have internal predecessors, (903), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:26,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 987 transitions. [2025-03-09 02:05:26,455 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 987 transitions. Word has length 105 [2025-03-09 02:05:26,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:26,456 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 987 transitions. [2025-03-09 02:05:26,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 987 transitions. [2025-03-09 02:05:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-09 02:05:26,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:26,456 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:26,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:26,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:26,661 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:26,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2056963920, now seen corresponding path program 1 times [2025-03-09 02:05:26,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:26,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833406999] [2025-03-09 02:05:26,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:26,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 02:05:26,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 02:05:26,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:26,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:26,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275776625] [2025-03-09 02:05:26,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:26,681 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:26,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:05:26,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 02:05:26,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 02:05:26,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:26,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:26,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:26,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:05:26,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:26,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:26,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833406999] [2025-03-09 02:05:26,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:26,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275776625] [2025-03-09 02:05:26,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275776625] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:26,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:26,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:26,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094180195] [2025-03-09 02:05:26,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:26,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:26,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:26,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:26,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:26,914 INFO L87 Difference]: Start difference. First operand 714 states and 987 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:27,279 INFO L93 Difference]: Finished difference Result 715 states and 987 transitions. [2025-03-09 02:05:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2025-03-09 02:05:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:27,282 INFO L225 Difference]: With dead ends: 715 [2025-03-09 02:05:27,282 INFO L226 Difference]: Without dead ends: 694 [2025-03-09 02:05:27,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:27,283 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 20 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:27,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 393 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2025-03-09 02:05:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2025-03-09 02:05:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 545 states have (on average 1.6220183486238533) internal successors, (884), 651 states have internal predecessors, (884), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 964 transitions. [2025-03-09 02:05:27,302 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 964 transitions. Word has length 106 [2025-03-09 02:05:27,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:27,303 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 964 transitions. [2025-03-09 02:05:27,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 964 transitions. [2025-03-09 02:05:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-09 02:05:27,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:27,304 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:27,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:27,504 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,SelfDestructingSolverStorable20 [2025-03-09 02:05:27,505 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:27,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:27,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1927118886, now seen corresponding path program 1 times [2025-03-09 02:05:27,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:27,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623956309] [2025-03-09 02:05:27,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:27,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:05:27,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:05:27,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:27,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:27,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828002149] [2025-03-09 02:05:27,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:27,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:27,534 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:27,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:05:27,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:05:27,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:05:27,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:27,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:27,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:27,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:27,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:27,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:27,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623956309] [2025-03-09 02:05:27,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:27,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828002149] [2025-03-09 02:05:27,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828002149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:27,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:27,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:05:27,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351524086] [2025-03-09 02:05:27,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:27,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:27,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:27,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:27,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:27,827 INFO L87 Difference]: Start difference. First operand 694 states and 964 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:28,199 INFO L93 Difference]: Finished difference Result 694 states and 964 transitions. [2025-03-09 02:05:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:28,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2025-03-09 02:05:28,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:28,202 INFO L225 Difference]: With dead ends: 694 [2025-03-09 02:05:28,202 INFO L226 Difference]: Without dead ends: 684 [2025-03-09 02:05:28,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:05:28,206 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 136 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:28,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 280 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:28,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-03-09 02:05:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2025-03-09 02:05:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 545 states have (on average 1.5669724770642202) internal successors, (854), 641 states have internal predecessors, (854), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 934 transitions. [2025-03-09 02:05:28,224 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 934 transitions. Word has length 124 [2025-03-09 02:05:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:28,224 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 934 transitions. [2025-03-09 02:05:28,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 934 transitions. [2025-03-09 02:05:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-09 02:05:28,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:28,225 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:28,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:28,426 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,SelfDestructingSolverStorable21 [2025-03-09 02:05:28,426 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:28,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:28,427 INFO L85 PathProgramCache]: Analyzing trace with hash -388856459, now seen corresponding path program 1 times [2025-03-09 02:05:28,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314367890] [2025-03-09 02:05:28,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:28,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:28,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:05:28,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:05:28,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:28,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:28,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619503376] [2025-03-09 02:05:28,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:28,467 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:28,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:05:28,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:05:28,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:05:28,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:28,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:28,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:05:28,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:28,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314367890] [2025-03-09 02:05:29,153 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619503376] [2025-03-09 02:05:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619503376] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:29,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:29,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188743776] [2025-03-09 02:05:29,153 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:29,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:29,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:29,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:29,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:29,154 INFO L87 Difference]: Start difference. First operand 684 states and 934 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:29,605 INFO L93 Difference]: Finished difference Result 737 states and 962 transitions. [2025-03-09 02:05:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 125 [2025-03-09 02:05:29,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:29,608 INFO L225 Difference]: With dead ends: 737 [2025-03-09 02:05:29,608 INFO L226 Difference]: Without dead ends: 714 [2025-03-09 02:05:29,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:29,609 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 131 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:29,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 378 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-09 02:05:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 696. [2025-03-09 02:05:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 557 states have (on average 1.5296229802513466) internal successors, (852), 652 states have internal predecessors, (852), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 932 transitions. [2025-03-09 02:05:29,626 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 932 transitions. Word has length 125 [2025-03-09 02:05:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:29,626 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 932 transitions. [2025-03-09 02:05:29,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 932 transitions. [2025-03-09 02:05:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-09 02:05:29,627 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:29,627 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:29,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:29,827 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,SelfDestructingSolverStorable22 [2025-03-09 02:05:29,827 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:29,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash 830351876, now seen corresponding path program 1 times [2025-03-09 02:05:29,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:29,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639969172] [2025-03-09 02:05:29,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:29,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:05:29,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:05:29,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:29,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:29,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:29,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639969172] [2025-03-09 02:05:29,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639969172] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:29,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896014044] [2025-03-09 02:05:29,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:29,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:29,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:29,921 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:29,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:05:29,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:05:29,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:05:29,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:29,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:29,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:29,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:30,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:30,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896014044] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:30,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:30,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:30,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435646021] [2025-03-09 02:05:30,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:30,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:30,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:30,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:30,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:30,238 INFO L87 Difference]: Start difference. First operand 696 states and 932 transitions. Second operand has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:30,619 INFO L93 Difference]: Finished difference Result 740 states and 939 transitions. [2025-03-09 02:05:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2025-03-09 02:05:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:30,622 INFO L225 Difference]: With dead ends: 740 [2025-03-09 02:05:30,622 INFO L226 Difference]: Without dead ends: 735 [2025-03-09 02:05:30,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:30,622 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 470 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:30,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 518 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:30,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2025-03-09 02:05:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 695. [2025-03-09 02:05:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 557 states have (on average 1.5080789946140036) internal successors, (840), 651 states have internal predecessors, (840), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 920 transitions. [2025-03-09 02:05:30,637 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 920 transitions. Word has length 126 [2025-03-09 02:05:30,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:30,638 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 920 transitions. [2025-03-09 02:05:30,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 920 transitions. [2025-03-09 02:05:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 02:05:30,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:30,639 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:30,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:30,843 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,SelfDestructingSolverStorable23 [2025-03-09 02:05:30,843 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:30,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash -28895405, now seen corresponding path program 1 times [2025-03-09 02:05:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:30,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851371329] [2025-03-09 02:05:30,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:30,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:30,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:05:30,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:05:30,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:30,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:30,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851371329] [2025-03-09 02:05:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851371329] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466047074] [2025-03-09 02:05:30,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:30,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:30,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:30,916 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:30,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:05:30,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:05:30,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:05:30,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:30,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:30,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:30,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:31,163 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:31,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:31,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466047074] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:31,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:31,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:31,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353532595] [2025-03-09 02:05:31,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:31,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:31,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:31,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:31,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:31,317 INFO L87 Difference]: Start difference. First operand 695 states and 920 transitions. Second operand has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:31,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:31,790 INFO L93 Difference]: Finished difference Result 739 states and 927 transitions. [2025-03-09 02:05:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:31,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2025-03-09 02:05:31,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:31,792 INFO L225 Difference]: With dead ends: 739 [2025-03-09 02:05:31,792 INFO L226 Difference]: Without dead ends: 734 [2025-03-09 02:05:31,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:31,793 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 334 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:31,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 571 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:31,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-03-09 02:05:31,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2025-03-09 02:05:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 557 states have (on average 1.4865350089766607) internal successors, (828), 650 states have internal predecessors, (828), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 908 transitions. [2025-03-09 02:05:31,809 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 908 transitions. Word has length 127 [2025-03-09 02:05:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:31,809 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 908 transitions. [2025-03-09 02:05:31,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 908 transitions. [2025-03-09 02:05:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-09 02:05:31,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:31,810 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:31,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 02:05:32,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:32,011 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:32,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash -895757342, now seen corresponding path program 1 times [2025-03-09 02:05:32,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:32,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148344682] [2025-03-09 02:05:32,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:32,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-09 02:05:32,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-09 02:05:32,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:32,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350573214] [2025-03-09 02:05:32,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:32,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:32,028 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:32,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:05:32,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-09 02:05:32,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-09 02:05:32,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:32,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:05:32,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:32,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:32,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:32,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148344682] [2025-03-09 02:05:32,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:32,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350573214] [2025-03-09 02:05:32,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350573214] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:32,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:32,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:05:32,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973149998] [2025-03-09 02:05:32,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:32,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:05:32,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:32,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:05:32,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:32,659 INFO L87 Difference]: Start difference. First operand 694 states and 908 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:05:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:34,352 INFO L93 Difference]: Finished difference Result 759 states and 940 transitions. [2025-03-09 02:05:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:05:34,353 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2025-03-09 02:05:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:34,355 INFO L225 Difference]: With dead ends: 759 [2025-03-09 02:05:34,355 INFO L226 Difference]: Without dead ends: 664 [2025-03-09 02:05:34,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:34,356 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 406 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:34,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 510 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-09 02:05:34,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-03-09 02:05:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 641. [2025-03-09 02:05:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 509 states have (on average 1.4538310412573674) internal successors, (740), 600 states have internal predecessors, (740), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 814 transitions. [2025-03-09 02:05:34,382 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 814 transitions. Word has length 128 [2025-03-09 02:05:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:34,382 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 814 transitions. [2025-03-09 02:05:34,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:05:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 814 transitions. [2025-03-09 02:05:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-09 02:05:34,383 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:34,383 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:34,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:34,583 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,SelfDestructingSolverStorable25 [2025-03-09 02:05:34,584 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:34,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:34,584 INFO L85 PathProgramCache]: Analyzing trace with hash -190293075, now seen corresponding path program 1 times [2025-03-09 02:05:34,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:34,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183767282] [2025-03-09 02:05:34,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:34,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-09 02:05:34,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-09 02:05:34,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-09 02:05:34,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:34,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183767282] [2025-03-09 02:05:34,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183767282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:34,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:34,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:34,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358160790] [2025-03-09 02:05:34,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:34,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:34,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:34,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:34,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:34,635 INFO L87 Difference]: Start difference. First operand 641 states and 814 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:34,884 INFO L93 Difference]: Finished difference Result 647 states and 814 transitions. [2025-03-09 02:05:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:34,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 170 [2025-03-09 02:05:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:34,886 INFO L225 Difference]: With dead ends: 647 [2025-03-09 02:05:34,887 INFO L226 Difference]: Without dead ends: 644 [2025-03-09 02:05:34,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:34,888 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 134 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:34,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 192 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-09 02:05:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 639. [2025-03-09 02:05:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 509 states have (on average 1.4420432220039292) internal successors, (734), 598 states have internal predecessors, (734), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 808 transitions. [2025-03-09 02:05:34,908 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 808 transitions. Word has length 170 [2025-03-09 02:05:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:34,908 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 808 transitions. [2025-03-09 02:05:34,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 808 transitions. [2025-03-09 02:05:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-09 02:05:34,909 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:34,909 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:34,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 02:05:34,910 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:34,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1348048934, now seen corresponding path program 1 times [2025-03-09 02:05:34,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:34,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973864543] [2025-03-09 02:05:34,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:34,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-09 02:05:34,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-09 02:05:34,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:34,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:34,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973864543] [2025-03-09 02:05:34,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973864543] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:34,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319836980] [2025-03-09 02:05:34,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:34,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:34,998 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:35,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:05:35,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-09 02:05:35,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-09 02:05:35,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:35,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:35,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:35,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:35,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319836980] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:35,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:35,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-09 02:05:35,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482027808] [2025-03-09 02:05:35,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:35,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:35,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:35,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:35,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:35,310 INFO L87 Difference]: Start difference. First operand 639 states and 808 transitions. Second operand has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:05:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:35,613 INFO L93 Difference]: Finished difference Result 724 states and 832 transitions. [2025-03-09 02:05:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:05:35,613 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 173 [2025-03-09 02:05:35,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:35,615 INFO L225 Difference]: With dead ends: 724 [2025-03-09 02:05:35,615 INFO L226 Difference]: Without dead ends: 722 [2025-03-09 02:05:35,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:35,616 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 925 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:35,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 763 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-09 02:05:35,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 637. [2025-03-09 02:05:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4263261296660117) internal successors, (726), 596 states have internal predecessors, (726), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 800 transitions. [2025-03-09 02:05:35,632 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 800 transitions. Word has length 173 [2025-03-09 02:05:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:35,633 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 800 transitions. [2025-03-09 02:05:35,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:05:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 800 transitions. [2025-03-09 02:05:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-09 02:05:35,634 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:35,634 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:35,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-09 02:05:35,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:05:35,838 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:35,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:35,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1160156138, now seen corresponding path program 1 times [2025-03-09 02:05:35,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:35,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208234351] [2025-03-09 02:05:35,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:35,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-09 02:05:35,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-09 02:05:35,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:35,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863911881] [2025-03-09 02:05:35,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:35,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:35,856 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:35,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:05:35,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-09 02:05:35,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-09 02:05:35,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:35,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:05:35,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:36,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:36,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208234351] [2025-03-09 02:05:36,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863911881] [2025-03-09 02:05:36,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863911881] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:36,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:36,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:36,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183630961] [2025-03-09 02:05:36,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:36,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:36,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:36,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:36,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:36,888 INFO L87 Difference]: Start difference. First operand 637 states and 800 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:05:37,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:37,280 INFO L93 Difference]: Finished difference Result 638 states and 800 transitions. [2025-03-09 02:05:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:37,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2025-03-09 02:05:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:37,282 INFO L225 Difference]: With dead ends: 638 [2025-03-09 02:05:37,282 INFO L226 Difference]: Without dead ends: 637 [2025-03-09 02:05:37,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:37,285 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 32 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:37,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 466 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-09 02:05:37,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2025-03-09 02:05:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.424361493123772) internal successors, (725), 596 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 799 transitions. [2025-03-09 02:05:37,302 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 799 transitions. Word has length 174 [2025-03-09 02:05:37,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:37,302 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 799 transitions. [2025-03-09 02:05:37,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:05:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 799 transitions. [2025-03-09 02:05:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-09 02:05:37,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:37,303 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:37,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-09 02:05:37,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-09 02:05:37,504 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:37,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:37,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1605102040, now seen corresponding path program 1 times [2025-03-09 02:05:37,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:37,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058846876] [2025-03-09 02:05:37,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:37,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-09 02:05:37,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-09 02:05:37,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:37,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200884487] [2025-03-09 02:05:37,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:37,525 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:37,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:05:37,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-09 02:05:37,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-09 02:05:37,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:37,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:05:37,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:37,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:37,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:37,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058846876] [2025-03-09 02:05:37,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:37,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200884487] [2025-03-09 02:05:37,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200884487] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:37,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:37,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:05:37,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716483769] [2025-03-09 02:05:37,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:37,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:05:37,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:37,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:05:37,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:37,980 INFO L87 Difference]: Start difference. First operand 637 states and 799 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:05:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:38,432 INFO L93 Difference]: Finished difference Result 648 states and 799 transitions. [2025-03-09 02:05:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:38,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2025-03-09 02:05:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:38,434 INFO L225 Difference]: With dead ends: 648 [2025-03-09 02:05:38,434 INFO L226 Difference]: Without dead ends: 647 [2025-03-09 02:05:38,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:38,435 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 69 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:38,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 560 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:38,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-03-09 02:05:38,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 637. [2025-03-09 02:05:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4223968565815324) internal successors, (724), 596 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 798 transitions. [2025-03-09 02:05:38,450 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 798 transitions. Word has length 175 [2025-03-09 02:05:38,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:38,450 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 798 transitions. [2025-03-09 02:05:38,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:05:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 798 transitions. [2025-03-09 02:05:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-09 02:05:38,451 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:38,451 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:38,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-09 02:05:38,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:38,652 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:38,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:38,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1724094310, now seen corresponding path program 1 times [2025-03-09 02:05:38,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:38,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482132122] [2025-03-09 02:05:38,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:38,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:38,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-09 02:05:38,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-09 02:05:38,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:38,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401343857] [2025-03-09 02:05:38,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:38,673 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:38,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:05:38,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-09 02:05:38,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-09 02:05:38,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:38,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:38,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:05:38,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:39,791 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:40,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:40,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482132122] [2025-03-09 02:05:40,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:40,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401343857] [2025-03-09 02:05:40,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401343857] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:40,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:40,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:05:40,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246499658] [2025-03-09 02:05:40,387 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:40,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:05:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:40,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:05:40,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:40,388 INFO L87 Difference]: Start difference. First operand 637 states and 798 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:05:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:43,194 INFO L93 Difference]: Finished difference Result 661 states and 822 transitions. [2025-03-09 02:05:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:05:43,195 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2025-03-09 02:05:43,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:43,197 INFO L225 Difference]: With dead ends: 661 [2025-03-09 02:05:43,197 INFO L226 Difference]: Without dead ends: 653 [2025-03-09 02:05:43,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:43,198 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 324 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:43,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 367 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-03-09 02:05:43,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-09 02:05:43,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 637. [2025-03-09 02:05:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4066797642436148) internal successors, (716), 596 states have internal predecessors, (716), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 790 transitions. [2025-03-09 02:05:43,214 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 790 transitions. Word has length 178 [2025-03-09 02:05:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:43,214 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 790 transitions. [2025-03-09 02:05:43,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:05:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 790 transitions. [2025-03-09 02:05:43,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-09 02:05:43,215 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:43,215 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:43,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:43,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,416 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:43,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:43,416 INFO L85 PathProgramCache]: Analyzing trace with hash -407721105, now seen corresponding path program 1 times [2025-03-09 02:05:43,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:43,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666889508] [2025-03-09 02:05:43,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:43,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-09 02:05:43,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-09 02:05:43,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:43,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824627108] [2025-03-09 02:05:43,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:43,438 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:05:43,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-09 02:05:43,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-09 02:05:43,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:43,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:05:43,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 33 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-03-09 02:05:44,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:44,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:44,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666889508] [2025-03-09 02:05:44,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:44,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824627108] [2025-03-09 02:05:44,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824627108] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:44,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:44,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:05:44,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259810241] [2025-03-09 02:05:44,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:44,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:44,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:44,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:44,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:05:44,087 INFO L87 Difference]: Start difference. First operand 637 states and 790 transitions. Second operand has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-09 02:05:44,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:44,844 INFO L93 Difference]: Finished difference Result 647 states and 794 transitions. [2025-03-09 02:05:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:05:44,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 197 [2025-03-09 02:05:44,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:44,846 INFO L225 Difference]: With dead ends: 647 [2025-03-09 02:05:44,846 INFO L226 Difference]: Without dead ends: 607 [2025-03-09 02:05:44,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:44,847 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 28 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:44,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 910 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:05:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-09 02:05:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2025-03-09 02:05:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 477 states have (on average 1.421383647798742) internal successors, (678), 564 states have internal predecessors, (678), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 748 transitions. [2025-03-09 02:05:44,864 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 748 transitions. Word has length 197 [2025-03-09 02:05:44,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:44,865 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 748 transitions. [2025-03-09 02:05:44,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-09 02:05:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 748 transitions. [2025-03-09 02:05:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-09 02:05:44,865 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:44,866 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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] [2025-03-09 02:05:44,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:45,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-09 02:05:45,067 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:45,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash 464769543, now seen corresponding path program 1 times [2025-03-09 02:05:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075487739] [2025-03-09 02:05:45,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:45,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-09 02:05:45,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:05:45,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:45,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831202068] [2025-03-09 02:05:45,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:45,087 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:45,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:05:45,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-09 02:05:45,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:05:45,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:45,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:45,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:45,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:05:45,272 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:45,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:45,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075487739] [2025-03-09 02:05:45,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:45,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831202068] [2025-03-09 02:05:45,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831202068] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:45,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:45,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:45,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75571031] [2025-03-09 02:05:45,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:45,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:45,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:45,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:45,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:45,335 INFO L87 Difference]: Start difference. First operand 603 states and 748 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:05:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:45,435 INFO L93 Difference]: Finished difference Result 694 states and 772 transitions. [2025-03-09 02:05:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:45,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2025-03-09 02:05:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:45,437 INFO L225 Difference]: With dead ends: 694 [2025-03-09 02:05:45,437 INFO L226 Difference]: Without dead ends: 693 [2025-03-09 02:05:45,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:45,438 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 189 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:45,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 709 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:45,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-03-09 02:05:45,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 603. [2025-03-09 02:05:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 477 states have (on average 1.419287211740042) internal successors, (677), 564 states have internal predecessors, (677), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 747 transitions. [2025-03-09 02:05:45,464 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 747 transitions. Word has length 202 [2025-03-09 02:05:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:45,464 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 747 transitions. [2025-03-09 02:05:45,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:05:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 747 transitions. [2025-03-09 02:05:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-09 02:05:45,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:45,465 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:45,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:45,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-09 02:05:45,669 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:45,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:45,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1351941391, now seen corresponding path program 2 times [2025-03-09 02:05:45,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:45,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961909699] [2025-03-09 02:05:45,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:45,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:45,683 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-09 02:05:45,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-09 02:05:45,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:45,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:45,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798175454] [2025-03-09 02:05:45,704 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:45,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:45,708 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:45,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:05:45,740 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-09 02:05:45,776 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-09 02:05:45,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:45,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:45,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:05:45,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:46,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:46,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:46,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961909699] [2025-03-09 02:05:46,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:46,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798175454] [2025-03-09 02:05:46,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798175454] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:46,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:46,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:05:46,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124633011] [2025-03-09 02:05:46,383 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:46,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:46,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:46,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:05:46,383 INFO L87 Difference]: Start difference. First operand 603 states and 747 transitions. Second operand has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:05:47,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:47,085 INFO L93 Difference]: Finished difference Result 645 states and 771 transitions. [2025-03-09 02:05:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:05:47,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 209 [2025-03-09 02:05:47,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:47,087 INFO L225 Difference]: With dead ends: 645 [2025-03-09 02:05:47,087 INFO L226 Difference]: Without dead ends: 623 [2025-03-09 02:05:47,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:05:47,087 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:47,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 496 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:05:47,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-03-09 02:05:47,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 611. [2025-03-09 02:05:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 485 states have (on average 1.3731958762886598) internal successors, (666), 571 states have internal predecessors, (666), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 736 transitions. [2025-03-09 02:05:47,103 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 736 transitions. Word has length 209 [2025-03-09 02:05:47,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:47,103 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 736 transitions. [2025-03-09 02:05:47,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:05:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 736 transitions. [2025-03-09 02:05:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-09 02:05:47,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:47,104 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:47,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-09 02:05:47,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:47,305 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:47,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:47,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1039489622, now seen corresponding path program 2 times [2025-03-09 02:05:47,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:47,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639528134] [2025-03-09 02:05:47,306 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:47,318 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-09 02:05:47,330 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-09 02:05:47,331 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:47,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:47,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:47,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639528134] [2025-03-09 02:05:47,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639528134] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:47,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295707094] [2025-03-09 02:05:47,468 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:47,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:47,470 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:47,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:05:47,495 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-09 02:05:47,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-09 02:05:47,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:47,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:47,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:05:47,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:47,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295707094] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:48,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:48,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:05:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824459325] [2025-03-09 02:05:48,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:48,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:05:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:48,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:05:48,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:48,015 INFO L87 Difference]: Start difference. First operand 611 states and 736 transitions. Second operand has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:05:49,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:49,085 INFO L93 Difference]: Finished difference Result 611 states and 736 transitions. [2025-03-09 02:05:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:05:49,086 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2025-03-09 02:05:49,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:49,088 INFO L225 Difference]: With dead ends: 611 [2025-03-09 02:05:49,088 INFO L226 Difference]: Without dead ends: 604 [2025-03-09 02:05:49,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:05:49,089 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 373 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:49,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 660 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:05:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2025-03-09 02:05:49,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2025-03-09 02:05:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 485 states have (on average 1.3463917525773197) internal successors, (653), 564 states have internal predecessors, (653), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 723 transitions. [2025-03-09 02:05:49,108 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 723 transitions. Word has length 210 [2025-03-09 02:05:49,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:49,108 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 723 transitions. [2025-03-09 02:05:49,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:05:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 723 transitions. [2025-03-09 02:05:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-09 02:05:49,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:49,109 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:49,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:49,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:49,310 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:49,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2135560301, now seen corresponding path program 2 times [2025-03-09 02:05:49,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:49,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358205841] [2025-03-09 02:05:49,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:49,318 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-09 02:05:49,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-09 02:05:49,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:49,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:49,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358205841] [2025-03-09 02:05:49,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358205841] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:49,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559033470] [2025-03-09 02:05:49,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:49,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:49,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:49,461 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:49,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:05:49,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-09 02:05:49,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-09 02:05:49,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:49,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:49,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:05:49,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:49,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:50,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559033470] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:50,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:50,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:05:50,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450055540] [2025-03-09 02:05:50,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:50,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:05:50,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:50,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:05:50,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:50,099 INFO L87 Difference]: Start difference. First operand 604 states and 723 transitions. Second operand has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:05:50,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:50,743 INFO L93 Difference]: Finished difference Result 672 states and 768 transitions. [2025-03-09 02:05:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:05:50,743 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 211 [2025-03-09 02:05:50,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:50,745 INFO L225 Difference]: With dead ends: 672 [2025-03-09 02:05:50,745 INFO L226 Difference]: Without dead ends: 670 [2025-03-09 02:05:50,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:05:50,746 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 517 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:50,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 764 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:05:50,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2025-03-09 02:05:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 629. [2025-03-09 02:05:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 507 states have (on average 1.3333333333333333) internal successors, (676), 586 states have internal predecessors, (676), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:05:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 752 transitions. [2025-03-09 02:05:50,763 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 752 transitions. Word has length 211 [2025-03-09 02:05:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:50,763 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 752 transitions. [2025-03-09 02:05:50,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:05:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 752 transitions. [2025-03-09 02:05:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-09 02:05:50,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:50,765 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:50,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:05:50,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-09 02:05:50,966 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:50,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash -720911413, now seen corresponding path program 1 times [2025-03-09 02:05:50,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:50,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228156552] [2025-03-09 02:05:50,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:50,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-09 02:05:50,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-09 02:05:50,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:50,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:51,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228156552] [2025-03-09 02:05:51,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228156552] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:51,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429503258] [2025-03-09 02:05:51,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:51,120 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:51,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:05:51,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-09 02:05:51,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-09 02:05:51,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:51,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:05:51,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:51,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:51,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429503258] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:51,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:51,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-09 02:05:51,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535759738] [2025-03-09 02:05:51,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:51,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:05:51,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:51,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:05:51,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:51,570 INFO L87 Difference]: Start difference. First operand 629 states and 752 transitions. Second operand has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-09 02:05:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:54,175 INFO L93 Difference]: Finished difference Result 636 states and 755 transitions. [2025-03-09 02:05:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:05:54,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 213 [2025-03-09 02:05:54,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:54,177 INFO L225 Difference]: With dead ends: 636 [2025-03-09 02:05:54,177 INFO L226 Difference]: Without dead ends: 624 [2025-03-09 02:05:54,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:05:54,178 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 899 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:54,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 702 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-03-09 02:05:54,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-03-09 02:05:54,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2025-03-09 02:05:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 580 states have internal predecessors, (664), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:05:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 740 transitions. [2025-03-09 02:05:54,192 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 740 transitions. Word has length 213 [2025-03-09 02:05:54,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:54,192 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 740 transitions. [2025-03-09 02:05:54,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-09 02:05:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 740 transitions. [2025-03-09 02:05:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-03-09 02:05:54,193 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:54,193 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-09 02:05:54,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-09 02:05:54,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:05:54,394 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:54,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:54,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1835217212, now seen corresponding path program 1 times [2025-03-09 02:05:54,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:54,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698669249] [2025-03-09 02:05:54,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:54,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-09 02:05:54,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-09 02:05:54,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:54,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:54,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634628875] [2025-03-09 02:05:54,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:54,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:54,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:54,432 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:54,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:05:54,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-09 02:05:54,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-09 02:05:54,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:54,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:54,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:05:54,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:55,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:55,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:55,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698669249] [2025-03-09 02:05:55,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:55,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634628875] [2025-03-09 02:05:55,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634628875] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:55,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:55,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:05:55,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420575029] [2025-03-09 02:05:55,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:55,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:05:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:55,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:05:55,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:05:55,413 INFO L87 Difference]: Start difference. First operand 624 states and 740 transitions. Second operand has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:05:59,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:59,071 INFO L93 Difference]: Finished difference Result 1020 states and 1295 transitions. [2025-03-09 02:05:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:05:59,072 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 216 [2025-03-09 02:05:59,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:59,074 INFO L225 Difference]: With dead ends: 1020 [2025-03-09 02:05:59,074 INFO L226 Difference]: Without dead ends: 936 [2025-03-09 02:05:59,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:05:59,075 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1330 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:59,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1097 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-09 02:05:59,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2025-03-09 02:05:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 728. [2025-03-09 02:05:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 606 states have (on average 1.3283828382838283) internal successors, (805), 677 states have internal predecessors, (805), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:05:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 895 transitions. [2025-03-09 02:05:59,094 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 895 transitions. Word has length 216 [2025-03-09 02:05:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:59,095 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 895 transitions. [2025-03-09 02:05:59,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:05:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 895 transitions. [2025-03-09 02:05:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-03-09 02:05:59,096 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:59,096 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:59,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-09 02:05:59,300 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,SelfDestructingSolverStorable37 [2025-03-09 02:05:59,300 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:59,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:59,300 INFO L85 PathProgramCache]: Analyzing trace with hash -571806832, now seen corresponding path program 2 times [2025-03-09 02:05:59,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:59,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499318448] [2025-03-09 02:05:59,300 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:59,308 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-09 02:05:59,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-09 02:05:59,335 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:59,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:59,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986176394] [2025-03-09 02:05:59,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:59,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:59,339 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:59,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:05:59,366 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-09 02:05:59,407 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-09 02:05:59,408 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:59,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:59,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:05:59,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:00,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:00,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:00,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499318448] [2025-03-09 02:06:00,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:00,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986176394] [2025-03-09 02:06:00,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986176394] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:00,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:00,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:06:00,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490951038] [2025-03-09 02:06:00,434 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:00,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:00,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:00,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:00,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:00,435 INFO L87 Difference]: Start difference. First operand 728 states and 895 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:01,283 INFO L93 Difference]: Finished difference Result 729 states and 895 transitions. [2025-03-09 02:06:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:06:01,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 258 [2025-03-09 02:06:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:01,285 INFO L225 Difference]: With dead ends: 729 [2025-03-09 02:06:01,285 INFO L226 Difference]: Without dead ends: 725 [2025-03-09 02:06:01,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:01,286 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 659 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:01,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 190 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:01,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2025-03-09 02:06:01,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 724. [2025-03-09 02:06:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.3052805280528053) internal successors, (791), 673 states have internal predecessors, (791), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:06:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 881 transitions. [2025-03-09 02:06:01,306 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 881 transitions. Word has length 258 [2025-03-09 02:06:01,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:01,306 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 881 transitions. [2025-03-09 02:06:01,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 881 transitions. [2025-03-09 02:06:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-09 02:06:01,307 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:01,307 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:01,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:01,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:06:01,507 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:01,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:01,508 INFO L85 PathProgramCache]: Analyzing trace with hash -546142478, now seen corresponding path program 2 times [2025-03-09 02:06:01,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:01,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172873496] [2025-03-09 02:06:01,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:01,514 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-09 02:06:01,530 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:06:01,530 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:01,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:01,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103117148] [2025-03-09 02:06:01,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:01,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:01,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:01,533 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:01,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:06:01,567 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-09 02:06:01,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:06:01,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:01,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:01,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:06:01,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:02,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:02,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:02,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172873496] [2025-03-09 02:06:02,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:02,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103117148] [2025-03-09 02:06:02,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103117148] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:02,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:02,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:06:02,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408989304] [2025-03-09 02:06:02,387 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:02,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:06:02,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:02,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:06:02,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:02,388 INFO L87 Difference]: Start difference. First operand 724 states and 881 transitions. Second operand has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:03,264 INFO L93 Difference]: Finished difference Result 733 states and 881 transitions. [2025-03-09 02:06:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:03,264 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 259 [2025-03-09 02:06:03,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:03,267 INFO L225 Difference]: With dead ends: 733 [2025-03-09 02:06:03,267 INFO L226 Difference]: Without dead ends: 732 [2025-03-09 02:06:03,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:03,267 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 120 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:03,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 751 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:03,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-03-09 02:06:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 724. [2025-03-09 02:06:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.3036303630363035) internal successors, (790), 673 states have internal predecessors, (790), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:06:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 880 transitions. [2025-03-09 02:06:03,293 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 880 transitions. Word has length 259 [2025-03-09 02:06:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:03,293 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 880 transitions. [2025-03-09 02:06:03,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 880 transitions. [2025-03-09 02:06:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-03-09 02:06:03,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:03,295 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:03,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:06:03,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:06:03,495 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:03,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash -794317812, now seen corresponding path program 2 times [2025-03-09 02:06:03,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:03,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10735176] [2025-03-09 02:06:03,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:03,502 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-09 02:06:03,516 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-09 02:06:03,518 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:03,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:03,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42509073] [2025-03-09 02:06:03,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:03,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:03,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:03,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:03,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:06:03,549 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-09 02:06:03,619 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-09 02:06:03,619 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:03,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:03,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:06:03,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:04,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:05,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:05,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10735176] [2025-03-09 02:06:05,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:05,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42509073] [2025-03-09 02:06:05,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42509073] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:05,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277021643] [2025-03-09 02:06:05,633 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:05,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:05,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:05,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:05,634 INFO L87 Difference]: Start difference. First operand 724 states and 880 transitions. Second operand has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:06:09,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:14,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:19,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:25,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:29,822 INFO L93 Difference]: Finished difference Result 760 states and 914 transitions. [2025-03-09 02:06:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:06:29,822 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 262 [2025-03-09 02:06:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:29,824 INFO L225 Difference]: With dead ends: 760 [2025-03-09 02:06:29,824 INFO L226 Difference]: Without dead ends: 754 [2025-03-09 02:06:29,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:06:29,825 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 28 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:29,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 694 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2897 Invalid, 2 Unknown, 0 Unchecked, 24.0s Time] [2025-03-09 02:06:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2025-03-09 02:06:29,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 736. [2025-03-09 02:06:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 617 states have (on average 1.2917341977309562) internal successors, (797), 684 states have internal predecessors, (797), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-09 02:06:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 889 transitions. [2025-03-09 02:06:29,853 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 889 transitions. Word has length 262 [2025-03-09 02:06:29,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:29,853 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 889 transitions. [2025-03-09 02:06:29,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:06:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 889 transitions. [2025-03-09 02:06:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-09 02:06:29,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:29,854 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-03-09 02:06:29,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-09 02:06:30,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:30,054 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:30,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash -663973011, now seen corresponding path program 1 times [2025-03-09 02:06:30,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:30,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699199322] [2025-03-09 02:06:30,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:30,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:30,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:06:30,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:06:30,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:30,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:30,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781383513] [2025-03-09 02:06:30,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:30,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:30,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:30,074 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:30,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:06:30,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:06:30,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:06:30,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:30,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:30,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:30,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:30,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:30,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699199322] [2025-03-09 02:06:30,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781383513] [2025-03-09 02:06:30,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781383513] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:30,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:30,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:06:30,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956681374] [2025-03-09 02:06:30,582 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:30,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:06:30,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:30,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:06:30,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:30,583 INFO L87 Difference]: Start difference. First operand 736 states and 889 transitions. Second operand has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:30,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:30,845 INFO L93 Difference]: Finished difference Result 929 states and 1016 transitions. [2025-03-09 02:06:30,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:06:30,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 275 [2025-03-09 02:06:30,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:30,847 INFO L225 Difference]: With dead ends: 929 [2025-03-09 02:06:30,847 INFO L226 Difference]: Without dead ends: 927 [2025-03-09 02:06:30,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:30,848 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 1340 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:30,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 2160 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2025-03-09 02:06:30,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 735. [2025-03-09 02:06:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 617 states have (on average 1.2852512155591571) internal successors, (793), 683 states have internal predecessors, (793), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-09 02:06:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 885 transitions. [2025-03-09 02:06:30,871 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 885 transitions. Word has length 275 [2025-03-09 02:06:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:30,872 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 885 transitions. [2025-03-09 02:06:30,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 885 transitions. [2025-03-09 02:06:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-03-09 02:06:30,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:30,873 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:30,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-09 02:06:31,073 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,SelfDestructingSolverStorable41 [2025-03-09 02:06:31,073 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1560340215, now seen corresponding path program 2 times [2025-03-09 02:06:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620909944] [2025-03-09 02:06:31,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:31,080 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-09 02:06:31,098 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:06:31,098 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:31,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:31,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120424119] [2025-03-09 02:06:31,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:31,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:31,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:31,102 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:31,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:06:31,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-09 02:06:31,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:06:31,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:31,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:31,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-09 02:06:31,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:31,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:32,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:32,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620909944] [2025-03-09 02:06:32,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:32,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120424119] [2025-03-09 02:06:32,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120424119] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:32,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:32,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-09 02:06:32,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242424477] [2025-03-09 02:06:32,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:32,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:06:32,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:32,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:06:32,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:32,368 INFO L87 Difference]: Start difference. First operand 735 states and 885 transitions. Second operand has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-03-09 02:06:35,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:35,364 INFO L93 Difference]: Finished difference Result 870 states and 1077 transitions. [2025-03-09 02:06:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 02:06:35,364 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) Word has length 281 [2025-03-09 02:06:35,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:35,366 INFO L225 Difference]: With dead ends: 870 [2025-03-09 02:06:35,366 INFO L226 Difference]: Without dead ends: 830 [2025-03-09 02:06:35,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 02:06:35,367 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 732 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 4700 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:35,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 756 Invalid, 4780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4700 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-03-09 02:06:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2025-03-09 02:06:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 750. [2025-03-09 02:06:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 630 states have (on average 1.3031746031746032) internal successors, (821), 696 states have internal predecessors, (821), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:06:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 917 transitions. [2025-03-09 02:06:35,393 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 917 transitions. Word has length 281 [2025-03-09 02:06:35,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:35,393 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 917 transitions. [2025-03-09 02:06:35,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-03-09 02:06:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 917 transitions. [2025-03-09 02:06:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-09 02:06:35,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:35,394 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-03-09 02:06:35,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:35,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:35,595 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:35,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1099443287, now seen corresponding path program 3 times [2025-03-09 02:06:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:35,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092193753] [2025-03-09 02:06:35,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:35,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-09 02:06:35,620 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 293 of 293 statements. [2025-03-09 02:06:35,620 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 02:06:35,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:35,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885260362] [2025-03-09 02:06:35,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:35,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:35,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:35,626 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:35,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:06:35,652 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-09 02:06:35,681 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 102 of 293 statements. [2025-03-09 02:06:35,681 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:06:35,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:35,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:06:35,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 146 proven. 106 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2025-03-09 02:06:39,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:43,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:43,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092193753] [2025-03-09 02:06:43,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:43,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885260362] [2025-03-09 02:06:43,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885260362] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:43,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:43,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:06:43,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269618546] [2025-03-09 02:06:43,564 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:43,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:06:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:43,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:06:43,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:06:43,565 INFO L87 Difference]: Start difference. First operand 750 states and 917 transitions. Second operand has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9)