./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:51:23,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:51:23,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:51:23,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:51:23,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:51:23,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:51:23,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:51:23,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:51:23,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:51:23,630 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:51:23,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:51:23,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:51:23,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:51:23,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:51:23,631 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:51:23,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:51:23,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:51:23,632 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:51:23,633 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:23,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:51:23,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:51:23,633 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 -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2025-03-04 10:51:23,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:51:23,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:51:23,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:51:23,862 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:51:23,862 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:51:23,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2025-03-04 10:51:24,981 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f804cd/a084c49a843d4270957e74c185ff1819/FLAG0e3de93bf [2025-03-04 10:51:25,183 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:51:25,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2025-03-04 10:51:25,189 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f804cd/a084c49a843d4270957e74c185ff1819/FLAG0e3de93bf [2025-03-04 10:51:25,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592f804cd/a084c49a843d4270957e74c185ff1819 [2025-03-04 10:51:25,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:51:25,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:51:25,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:25,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:51:25,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:51:25,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5d3808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25, skipping insertion in model container [2025-03-04 10:51:25,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:51:25,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:25,680 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:51:25,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:51:25,702 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:51:25,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25 WrapperNode [2025-03-04 10:51:25,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:51:25,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:25,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:51:25,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:51:25,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,735 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-03-04 10:51:25,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:51:25,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:51:25,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:51:25,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:51:25,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,761 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 10:51:25,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:51:25,773 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:51:25,773 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:51:25,773 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:51:25,774 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (1/1) ... [2025-03-04 10:51:25,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:51:25,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:25,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 10:51:25,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 10:51:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:51:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:51:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:51:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:51:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:51:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:51:25,868 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:51:25,869 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:51:26,202 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2025-03-04 10:51:26,203 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:51:26,210 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:51:26,211 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:51:26,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:26 BoogieIcfgContainer [2025-03-04 10:51:26,211 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:51:26,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:51:26,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:51:26,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:51:26,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:51:25" (1/3) ... [2025-03-04 10:51:26,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d157a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:26, skipping insertion in model container [2025-03-04 10:51:26,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:51:25" (2/3) ... [2025-03-04 10:51:26,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d157a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:51:26, skipping insertion in model container [2025-03-04 10:51:26,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:51:26" (3/3) ... [2025-03-04 10:51:26,218 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound50.c [2025-03-04 10:51:26,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:51:26,229 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound50.c that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-04 10:51:26,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:51:26,270 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;@2f94a1d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:51:26,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-04 10:51:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 10:51:26,277 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,277 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 10:51:26,277 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,281 INFO L85 PathProgramCache]: Analyzing trace with hash 163813, now seen corresponding path program 1 times [2025-03-04 10:51:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785824922] [2025-03-04 10:51:26,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 10:51:26,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 10:51:26,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785824922] [2025-03-04 10:51:26,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785824922] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:26,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747176146] [2025-03-04 10:51:26,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:26,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:26,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,411 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,551 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2025-03-04 10:51:26,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-04 10:51:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,557 INFO L225 Difference]: With dead ends: 264 [2025-03-04 10:51:26,557 INFO L226 Difference]: Without dead ends: 128 [2025-03-04 10:51:26,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,560 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-04 10:51:26,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-04 10:51:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-03-04 10:51:26,587 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2025-03-04 10:51:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,587 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-03-04 10:51:26,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-03-04 10:51:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-04 10:51:26,588 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,588 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-04 10:51:26,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:51:26,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 5078303, now seen corresponding path program 1 times [2025-03-04 10:51:26,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194268792] [2025-03-04 10:51:26,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 10:51:26,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 10:51:26,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194268792] [2025-03-04 10:51:26,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194268792] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538914889] [2025-03-04 10:51:26,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:26,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:26,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,619 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,694 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2025-03-04 10:51:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:26,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-04 10:51:26,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,695 INFO L225 Difference]: With dead ends: 128 [2025-03-04 10:51:26,695 INFO L226 Difference]: Without dead ends: 124 [2025-03-04 10:51:26,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,696 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-04 10:51:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-03-04 10:51:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2025-03-04 10:51:26,701 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2025-03-04 10:51:26,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,702 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2025-03-04 10:51:26,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2025-03-04 10:51:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 10:51:26,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 10:51:26,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:51:26,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash 157427491, now seen corresponding path program 1 times [2025-03-04 10:51:26,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778443973] [2025-03-04 10:51:26,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 10:51:26,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 10:51:26,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778443973] [2025-03-04 10:51:26,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778443973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:26,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958120973] [2025-03-04 10:51:26,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:26,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:26,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,735 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,837 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2025-03-04 10:51:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-04 10:51:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,840 INFO L225 Difference]: With dead ends: 124 [2025-03-04 10:51:26,840 INFO L226 Difference]: Without dead ends: 123 [2025-03-04 10:51:26,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,841 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-04 10:51:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-04 10:51:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-03-04 10:51:26,848 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2025-03-04 10:51:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,848 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-03-04 10:51:26,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-03-04 10:51:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 10:51:26,848 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,849 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 10:51:26,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:51:26,849 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,849 INFO L85 PathProgramCache]: Analyzing trace with hash 585285021, now seen corresponding path program 1 times [2025-03-04 10:51:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246071658] [2025-03-04 10:51:26,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 10:51:26,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 10:51:26,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246071658] [2025-03-04 10:51:26,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246071658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:26,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:26,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:26,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641264395] [2025-03-04 10:51:26,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:26,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:26,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:26,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:26,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,889 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:26,983 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-03-04 10:51:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:26,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-04 10:51:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:26,984 INFO L225 Difference]: With dead ends: 123 [2025-03-04 10:51:26,984 INFO L226 Difference]: Without dead ends: 122 [2025-03-04 10:51:26,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:26,985 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:26,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-04 10:51:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-04 10:51:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-04 10:51:26,992 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2025-03-04 10:51:26,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:26,992 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-04 10:51:26,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-04 10:51:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 10:51:26,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:26,992 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:26,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:51:26,992 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:26,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:26,993 INFO L85 PathProgramCache]: Analyzing trace with hash -181807589, now seen corresponding path program 1 times [2025-03-04 10:51:26,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:26,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872861894] [2025-03-04 10:51:26,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:26,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 10:51:26,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 10:51:26,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:26,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872861894] [2025-03-04 10:51:27,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872861894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:27,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235088508] [2025-03-04 10:51:27,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:27,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:27,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:27,036 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,064 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2025-03-04 10:51:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:27,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-04 10:51:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,066 INFO L225 Difference]: With dead ends: 170 [2025-03-04 10:51:27,066 INFO L226 Difference]: Without dead ends: 126 [2025-03-04 10:51:27,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:27,068 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 4 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 351 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-03-04 10:51:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-03-04 10:51:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 123 states have internal predecessors, (126), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2025-03-04 10:51:27,076 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 8 [2025-03-04 10:51:27,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,076 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2025-03-04 10:51:27,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2025-03-04 10:51:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-04 10:51:27,080 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,081 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:51:27,081 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,081 INFO L85 PathProgramCache]: Analyzing trace with hash -276034339, now seen corresponding path program 1 times [2025-03-04 10:51:27,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557696298] [2025-03-04 10:51:27,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:27,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:27,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492239819] [2025-03-04 10:51:27,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:27,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:51:27,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-04 10:51:27,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-04 10:51:27,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:27,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557696298] [2025-03-04 10:51:27,153 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492239819] [2025-03-04 10:51:27,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492239819] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:27,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157517499] [2025-03-04 10:51:27,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:27,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:27,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:27,154 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,238 INFO L93 Difference]: Finished difference Result 194 states and 199 transitions. [2025-03-04 10:51:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:27,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-04 10:51:27,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,240 INFO L225 Difference]: With dead ends: 194 [2025-03-04 10:51:27,240 INFO L226 Difference]: Without dead ends: 188 [2025-03-04 10:51:27,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:27,241 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 221 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:27,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-03-04 10:51:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 150. [2025-03-04 10:51:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.690721649484536) internal successors, (164), 146 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 168 transitions. [2025-03-04 10:51:27,251 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 168 transitions. Word has length 11 [2025-03-04 10:51:27,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,251 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 168 transitions. [2025-03-04 10:51:27,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 168 transitions. [2025-03-04 10:51:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 10:51:27,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,252 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:51:27,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-04 10:51:27,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1018975259, now seen corresponding path program 1 times [2025-03-04 10:51:27,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690113267] [2025-03-04 10:51:27,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:27,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:27,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221601742] [2025-03-04 10:51:27,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:27,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:51:27,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 10:51:27,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 10:51:27,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:27,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690113267] [2025-03-04 10:51:27,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221601742] [2025-03-04 10:51:27,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221601742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:51:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399596232] [2025-03-04 10:51:27,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:51:27,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:51:27,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:27,533 INFO L87 Difference]: Start difference. First operand 150 states and 168 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:27,571 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2025-03-04 10:51:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:51:27,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-04 10:51:27,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:27,572 INFO L225 Difference]: With dead ends: 256 [2025-03-04 10:51:27,572 INFO L226 Difference]: Without dead ends: 250 [2025-03-04 10:51:27,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:51:27,572 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 94 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:27,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 219 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-04 10:51:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 202. [2025-03-04 10:51:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6891891891891893) internal successors, (250), 197 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 256 transitions. [2025-03-04 10:51:27,591 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 256 transitions. Word has length 13 [2025-03-04 10:51:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:27,591 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 256 transitions. [2025-03-04 10:51:27,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2025-03-04 10:51:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:51:27,592 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:27,592 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:27,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:27,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-04 10:51:27,793 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:27,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:27,793 INFO L85 PathProgramCache]: Analyzing trace with hash -17317031, now seen corresponding path program 1 times [2025-03-04 10:51:27,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:27,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718780306] [2025-03-04 10:51:27,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:27,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:27,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:27,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:27,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901843864] [2025-03-04 10:51:27,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:27,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:27,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:27,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:27,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:51:27,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:51:27,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:51:27,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:27,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:27,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:27,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:27,868 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:27,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:27,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718780306] [2025-03-04 10:51:27,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:27,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901843864] [2025-03-04 10:51:27,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901843864] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:27,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:27,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:27,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051572332] [2025-03-04 10:51:27,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:27,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:27,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:27,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:27,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:27,869 INFO L87 Difference]: Start difference. First operand 202 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:28,004 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2025-03-04 10:51:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:28,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 10:51:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:28,006 INFO L225 Difference]: With dead ends: 294 [2025-03-04 10:51:28,006 INFO L226 Difference]: Without dead ends: 292 [2025-03-04 10:51:28,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:28,007 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:28,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 241 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2025-03-04 10:51:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 203. [2025-03-04 10:51:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 198 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 256 transitions. [2025-03-04 10:51:28,017 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 256 transitions. Word has length 15 [2025-03-04 10:51:28,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:28,017 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 256 transitions. [2025-03-04 10:51:28,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 256 transitions. [2025-03-04 10:51:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 10:51:28,018 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:28,018 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:28,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 10:51:28,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,222 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash -536827885, now seen corresponding path program 1 times [2025-03-04 10:51:28,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543979695] [2025-03-04 10:51:28,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:28,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:28,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071304835] [2025-03-04 10:51:28,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:28,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:51:28,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 10:51:28,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 10:51:28,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:28,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:28,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:28,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543979695] [2025-03-04 10:51:28,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:28,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071304835] [2025-03-04 10:51:28,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071304835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:28,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:28,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:28,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043159897] [2025-03-04 10:51:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:28,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:28,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:28,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:28,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:28,290 INFO L87 Difference]: Start difference. First operand 203 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:28,431 INFO L93 Difference]: Finished difference Result 293 states and 355 transitions. [2025-03-04 10:51:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:28,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-03-04 10:51:28,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:28,433 INFO L225 Difference]: With dead ends: 293 [2025-03-04 10:51:28,433 INFO L226 Difference]: Without dead ends: 291 [2025-03-04 10:51:28,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:28,434 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 141 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:28,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-03-04 10:51:28,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 204. [2025-03-04 10:51:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6666666666666667) internal successors, (250), 199 states have internal predecessors, (250), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2025-03-04 10:51:28,440 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 16 [2025-03-04 10:51:28,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:28,440 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2025-03-04 10:51:28,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2025-03-04 10:51:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-04 10:51:28,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:28,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:28,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:28,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,645 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash 538204823, now seen corresponding path program 1 times [2025-03-04 10:51:28,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208337848] [2025-03-04 10:51:28,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:28,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:28,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:28,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856176843] [2025-03-04 10:51:28,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:28,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:28,657 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:28,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:51:28,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 10:51:28,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 10:51:28,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:28,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:28,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:28,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:28,697 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:28,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:28,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208337848] [2025-03-04 10:51:28,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:28,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856176843] [2025-03-04 10:51:28,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856176843] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:28,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:28,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135294923] [2025-03-04 10:51:28,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:28,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:28,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:28,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:28,698 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:28,786 INFO L93 Difference]: Finished difference Result 279 states and 299 transitions. [2025-03-04 10:51:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:28,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-03-04 10:51:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:28,787 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:28,787 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:28,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:28,787 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 194 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:28,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 264 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:28,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:28,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 204. [2025-03-04 10:51:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6466666666666667) internal successors, (247), 199 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 253 transitions. [2025-03-04 10:51:28,793 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 253 transitions. Word has length 17 [2025-03-04 10:51:28,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:28,793 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 253 transitions. [2025-03-04 10:51:28,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2025-03-04 10:51:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 10:51:28,793 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:28,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:28,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 10:51:28,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-04 10:51:28,994 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:28,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:28,995 INFO L85 PathProgramCache]: Analyzing trace with hash -495519599, now seen corresponding path program 1 times [2025-03-04 10:51:28,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353773901] [2025-03-04 10:51:28,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:28,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:29,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:29,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:29,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826112508] [2025-03-04 10:51:29,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:29,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:29,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:51:29,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 10:51:29,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 10:51:29,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:29,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:29,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353773901] [2025-03-04 10:51:29,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826112508] [2025-03-04 10:51:29,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826112508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:29,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:29,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481765299] [2025-03-04 10:51:29,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:29,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:29,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:29,063 INFO L87 Difference]: Start difference. First operand 204 states and 253 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,169 INFO L93 Difference]: Finished difference Result 277 states and 296 transitions. [2025-03-04 10:51:29,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:29,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-04 10:51:29,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,170 INFO L225 Difference]: With dead ends: 277 [2025-03-04 10:51:29,170 INFO L226 Difference]: Without dead ends: 275 [2025-03-04 10:51:29,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:29,171 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 191 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-03-04 10:51:29,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 204. [2025-03-04 10:51:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 150 states have (on average 1.6266666666666667) internal successors, (244), 199 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 250 transitions. [2025-03-04 10:51:29,180 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 250 transitions. Word has length 18 [2025-03-04 10:51:29,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,181 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 250 transitions. [2025-03-04 10:51:29,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 250 transitions. [2025-03-04 10:51:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 10:51:29,181 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,181 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 10:51:29,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,385 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1818761685, now seen corresponding path program 1 times [2025-03-04 10:51:29,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750947371] [2025-03-04 10:51:29,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:29,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:29,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:29,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670930672] [2025-03-04 10:51:29,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:29,402 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:29,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:51:29,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:51:29,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:51:29,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:29,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:29,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:29,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750947371] [2025-03-04 10:51:29,494 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670930672] [2025-03-04 10:51:29,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670930672] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:29,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:29,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:29,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107579331] [2025-03-04 10:51:29,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:29,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:29,496 INFO L87 Difference]: Start difference. First operand 204 states and 250 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:29,677 INFO L93 Difference]: Finished difference Result 292 states and 341 transitions. [2025-03-04 10:51:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:29,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-03-04 10:51:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:29,679 INFO L225 Difference]: With dead ends: 292 [2025-03-04 10:51:29,679 INFO L226 Difference]: Without dead ends: 290 [2025-03-04 10:51:29,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:29,679 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 216 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:29,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 282 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-03-04 10:51:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 207. [2025-03-04 10:51:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.607843137254902) internal successors, (246), 202 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 252 transitions. [2025-03-04 10:51:29,685 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 252 transitions. Word has length 19 [2025-03-04 10:51:29,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:29,685 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 252 transitions. [2025-03-04 10:51:29,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 252 transitions. [2025-03-04 10:51:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 10:51:29,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:29,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:29,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:29,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,886 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:29,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:29,887 INFO L85 PathProgramCache]: Analyzing trace with hash 547037455, now seen corresponding path program 1 times [2025-03-04 10:51:29,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:29,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006403534] [2025-03-04 10:51:29,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:29,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:29,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:29,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:29,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256180144] [2025-03-04 10:51:29,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:29,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:29,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:29,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:29,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:51:29,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:51:29,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:51:29,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:29,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:29,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:29,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:29,965 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:29,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:29,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006403534] [2025-03-04 10:51:29,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:29,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256180144] [2025-03-04 10:51:29,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256180144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:29,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:29,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:29,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167160648] [2025-03-04 10:51:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:29,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:29,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:29,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:29,967 INFO L87 Difference]: Start difference. First operand 207 states and 252 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,141 INFO L93 Difference]: Finished difference Result 291 states and 339 transitions. [2025-03-04 10:51:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:30,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-03-04 10:51:30,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,142 INFO L225 Difference]: With dead ends: 291 [2025-03-04 10:51:30,142 INFO L226 Difference]: Without dead ends: 289 [2025-03-04 10:51:30,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:30,143 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 214 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 285 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-03-04 10:51:30,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 208. [2025-03-04 10:51:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5974025974025974) internal successors, (246), 203 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 252 transitions. [2025-03-04 10:51:30,148 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 252 transitions. Word has length 20 [2025-03-04 10:51:30,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,148 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 252 transitions. [2025-03-04 10:51:30,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 252 transitions. [2025-03-04 10:51:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-04 10:51:30,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,149 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:30,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-04 10:51:30,349 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash -221708013, now seen corresponding path program 1 times [2025-03-04 10:51:30,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091373969] [2025-03-04 10:51:30,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:30,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:30,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:30,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637030208] [2025-03-04 10:51:30,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:30,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:30,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:51:30,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 10:51:30,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 10:51:30,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:30,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:30,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:30,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091373969] [2025-03-04 10:51:30,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637030208] [2025-03-04 10:51:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637030208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142922926] [2025-03-04 10:51:30,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:30,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:30,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:30,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:30,474 INFO L87 Difference]: Start difference. First operand 208 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:30,708 INFO L93 Difference]: Finished difference Result 279 states and 337 transitions. [2025-03-04 10:51:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:30,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-03-04 10:51:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:30,710 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:30,710 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:30,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:30,711 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 284 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:30,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 216 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 209. [2025-03-04 10:51:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5870967741935484) internal successors, (246), 204 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2025-03-04 10:51:30,716 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 21 [2025-03-04 10:51:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:30,717 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2025-03-04 10:51:30,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2025-03-04 10:51:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 10:51:30,718 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:30,718 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:30,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 10:51:30,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 10:51:30,918 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:30,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1716986253, now seen corresponding path program 1 times [2025-03-04 10:51:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108832836] [2025-03-04 10:51:30,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:30,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:30,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:30,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678355069] [2025-03-04 10:51:30,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:30,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:30,930 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:30,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:51:30,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:51:30,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:51:30,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:30,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:30,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:51:30,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108832836] [2025-03-04 10:51:31,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678355069] [2025-03-04 10:51:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678355069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:31,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:31,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:31,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531785371] [2025-03-04 10:51:31,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:31,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:31,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:31,052 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:31,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,256 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2025-03-04 10:51:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:31,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-03-04 10:51:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,257 INFO L225 Difference]: With dead ends: 279 [2025-03-04 10:51:31,257 INFO L226 Difference]: Without dead ends: 277 [2025-03-04 10:51:31,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:31,259 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 369 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 201 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:31,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-03-04 10:51:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 210. [2025-03-04 10:51:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 205 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 252 transitions. [2025-03-04 10:51:31,265 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 252 transitions. Word has length 22 [2025-03-04 10:51:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,265 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 252 transitions. [2025-03-04 10:51:31,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 252 transitions. [2025-03-04 10:51:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 10:51:31,266 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,266 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:31,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-04 10:51:31,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:31,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:31,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1971996559, now seen corresponding path program 1 times [2025-03-04 10:51:31,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427423153] [2025-03-04 10:51:31,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:31,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:31,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:31,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:31,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833979961] [2025-03-04 10:51:31,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:31,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:31,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:31,476 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:31,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:51:31,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 10:51:31,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 10:51:31,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:31,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:31,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:31,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:31,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:31,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427423153] [2025-03-04 10:51:31,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:31,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833979961] [2025-03-04 10:51:31,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833979961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:31,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:31,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:31,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354057063] [2025-03-04 10:51:31,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:31,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:31,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:31,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:31,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:31,641 INFO L87 Difference]: Start difference. First operand 210 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:31,892 INFO L93 Difference]: Finished difference Result 271 states and 333 transitions. [2025-03-04 10:51:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-04 10:51:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:31,893 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:31,893 INFO L226 Difference]: Without dead ends: 267 [2025-03-04 10:51:31,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:31,894 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 279 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:31,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 146 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:31,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-04 10:51:31,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 211. [2025-03-04 10:51:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 159 states have (on average 1.5471698113207548) internal successors, (246), 206 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 252 transitions. [2025-03-04 10:51:31,899 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 252 transitions. Word has length 25 [2025-03-04 10:51:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:31,899 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 252 transitions. [2025-03-04 10:51:31,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 252 transitions. [2025-03-04 10:51:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 10:51:31,900 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:31,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:31,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:32,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-04 10:51:32,100 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:32,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1002351241, now seen corresponding path program 1 times [2025-03-04 10:51:32,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:32,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272322178] [2025-03-04 10:51:32,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:32,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:32,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:32,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410905783] [2025-03-04 10:51:32,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:32,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:32,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:32,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:51:32,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:51:32,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:51:32,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:32,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:32,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:32,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:32,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272322178] [2025-03-04 10:51:32,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:32,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410905783] [2025-03-04 10:51:32,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410905783] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:32,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:32,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:51:32,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988890456] [2025-03-04 10:51:32,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:32,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:32,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:32,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:32,263 INFO L87 Difference]: Start difference. First operand 211 states and 252 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:32,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:32,527 INFO L93 Difference]: Finished difference Result 269 states and 327 transitions. [2025-03-04 10:51:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-04 10:51:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:32,528 INFO L225 Difference]: With dead ends: 269 [2025-03-04 10:51:32,529 INFO L226 Difference]: Without dead ends: 265 [2025-03-04 10:51:32,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:32,529 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 257 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:32,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 151 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:32,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-03-04 10:51:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210. [2025-03-04 10:51:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.525) internal successors, (244), 205 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2025-03-04 10:51:32,534 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 26 [2025-03-04 10:51:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:32,534 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2025-03-04 10:51:32,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2025-03-04 10:51:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-04 10:51:32,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:32,536 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:32,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:32,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-04 10:51:32,736 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:32,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:32,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1008117453, now seen corresponding path program 1 times [2025-03-04 10:51:32,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:32,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468385844] [2025-03-04 10:51:32,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:32,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 10:51:32,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 10:51:32,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:32,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:32,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468385844] [2025-03-04 10:51:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468385844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:32,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:32,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805499101] [2025-03-04 10:51:32,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:32,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:32,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:32,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:32,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:32,778 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:32,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:32,950 INFO L93 Difference]: Finished difference Result 235 states and 281 transitions. [2025-03-04 10:51:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:32,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-03-04 10:51:32,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:32,951 INFO L225 Difference]: With dead ends: 235 [2025-03-04 10:51:32,951 INFO L226 Difference]: Without dead ends: 233 [2025-03-04 10:51:32,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:32,951 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 92 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:32,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 156 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-04 10:51:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 211. [2025-03-04 10:51:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.515527950310559) internal successors, (244), 206 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 250 transitions. [2025-03-04 10:51:32,956 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 250 transitions. Word has length 27 [2025-03-04 10:51:32,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:32,956 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 250 transitions. [2025-03-04 10:51:32,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2025-03-04 10:51:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 10:51:32,956 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:32,956 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:32,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 10:51:32,956 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:32,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1186870023, now seen corresponding path program 1 times [2025-03-04 10:51:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:32,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585693885] [2025-03-04 10:51:32,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:32,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 10:51:32,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 10:51:32,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:32,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585693885] [2025-03-04 10:51:33,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585693885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978863086] [2025-03-04 10:51:33,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,006 INFO L87 Difference]: Start difference. First operand 211 states and 250 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,175 INFO L93 Difference]: Finished difference Result 229 states and 273 transitions. [2025-03-04 10:51:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:33,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-03-04 10:51:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,176 INFO L225 Difference]: With dead ends: 229 [2025-03-04 10:51:33,176 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:33,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:33,177 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 160 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:33,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 212. [2025-03-04 10:51:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 162 states have (on average 1.5061728395061729) internal successors, (244), 207 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 250 transitions. [2025-03-04 10:51:33,182 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 250 transitions. Word has length 28 [2025-03-04 10:51:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,182 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 250 transitions. [2025-03-04 10:51:33,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:51:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2025-03-04 10:51:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:51:33,184 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 10:51:33,185 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1442248241, now seen corresponding path program 1 times [2025-03-04 10:51:33,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216107553] [2025-03-04 10:51:33,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:51:33,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:51:33,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216107553] [2025-03-04 10:51:33,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216107553] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595590794] [2025-03-04 10:51:33,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,253 INFO L87 Difference]: Start difference. First operand 212 states and 250 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,371 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2025-03-04 10:51:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:33,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-03-04 10:51:33,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,372 INFO L225 Difference]: With dead ends: 228 [2025-03-04 10:51:33,372 INFO L226 Difference]: Without dead ends: 227 [2025-03-04 10:51:33,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:33,373 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 172 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-04 10:51:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 216. [2025-03-04 10:51:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.5) internal successors, (249), 211 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 255 transitions. [2025-03-04 10:51:33,378 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 255 transitions. Word has length 38 [2025-03-04 10:51:33,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,379 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 255 transitions. [2025-03-04 10:51:33,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 255 transitions. [2025-03-04 10:51:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-04 10:51:33,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 10:51:33,380 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1760022488, now seen corresponding path program 1 times [2025-03-04 10:51:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429515059] [2025-03-04 10:51:33,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 10:51:33,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 10:51:33,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429515059] [2025-03-04 10:51:33,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429515059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300570509] [2025-03-04 10:51:33,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,422 INFO L87 Difference]: Start difference. First operand 216 states and 255 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,507 INFO L93 Difference]: Finished difference Result 216 states and 255 transitions. [2025-03-04 10:51:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:33,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-03-04 10:51:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,508 INFO L225 Difference]: With dead ends: 216 [2025-03-04 10:51:33,508 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 10:51:33,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:33,509 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 68 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:33,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 10:51:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-03-04 10:51:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2025-03-04 10:51:33,514 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 39 [2025-03-04 10:51:33,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,514 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2025-03-04 10:51:33,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2025-03-04 10:51:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:51:33,515 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,515 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 10:51:33,515 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1317775772, now seen corresponding path program 1 times [2025-03-04 10:51:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582955160] [2025-03-04 10:51:33,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:51:33,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:51:33,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582955160] [2025-03-04 10:51:33,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582955160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950425317] [2025-03-04 10:51:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,551 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,643 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2025-03-04 10:51:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:33,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-03-04 10:51:33,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,644 INFO L225 Difference]: With dead ends: 215 [2025-03-04 10:51:33,644 INFO L226 Difference]: Without dead ends: 214 [2025-03-04 10:51:33,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:33,646 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 63 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 115 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:33,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-04 10:51:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-03-04 10:51:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4819277108433735) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-03-04 10:51:33,651 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 40 [2025-03-04 10:51:33,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,651 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-03-04 10:51:33,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-03-04 10:51:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:33,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,652 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 10:51:33,652 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,652 INFO L85 PathProgramCache]: Analyzing trace with hash 835504358, now seen corresponding path program 1 times [2025-03-04 10:51:33,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996459761] [2025-03-04 10:51:33,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:33,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:33,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996459761] [2025-03-04 10:51:33,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996459761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608148690] [2025-03-04 10:51:33,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,688 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,717 INFO L93 Difference]: Finished difference Result 234 states and 274 transitions. [2025-03-04 10:51:33,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:33,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,719 INFO L225 Difference]: With dead ends: 234 [2025-03-04 10:51:33,719 INFO L226 Difference]: Without dead ends: 232 [2025-03-04 10:51:33,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,719 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 310 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:33,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-04 10:51:33,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2025-03-04 10:51:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4585635359116023) internal successors, (264), 224 states have internal predecessors, (264), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 270 transitions. [2025-03-04 10:51:33,725 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 270 transitions. Word has length 41 [2025-03-04 10:51:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,725 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 270 transitions. [2025-03-04 10:51:33,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 270 transitions. [2025-03-04 10:51:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:51:33,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,725 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 10:51:33,725 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2098623993, now seen corresponding path program 1 times [2025-03-04 10:51:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341223937] [2025-03-04 10:51:33,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:51:33,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:51:33,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341223937] [2025-03-04 10:51:33,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341223937] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423181626] [2025-03-04 10:51:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:33,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:33,775 INFO L87 Difference]: Start difference. First operand 229 states and 270 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:33,921 INFO L93 Difference]: Finished difference Result 230 states and 270 transitions. [2025-03-04 10:51:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:51:33,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2025-03-04 10:51:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:33,922 INFO L225 Difference]: With dead ends: 230 [2025-03-04 10:51:33,922 INFO L226 Difference]: Without dead ends: 229 [2025-03-04 10:51:33,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:33,922 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 151 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:33,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 164 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:33,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-03-04 10:51:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-03-04 10:51:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.4530386740331491) internal successors, (263), 224 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 269 transitions. [2025-03-04 10:51:33,927 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 269 transitions. Word has length 41 [2025-03-04 10:51:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:33,927 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 269 transitions. [2025-03-04 10:51:33,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 269 transitions. [2025-03-04 10:51:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 10:51:33,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:33,928 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:33,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-04 10:51:33,928 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:33,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:33,928 INFO L85 PathProgramCache]: Analyzing trace with hash -632834310, now seen corresponding path program 1 times [2025-03-04 10:51:33,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:33,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521167517] [2025-03-04 10:51:33,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:33,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:33,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 10:51:33,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 10:51:33,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:33,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:33,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521167517] [2025-03-04 10:51:33,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521167517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:33,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:33,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405663389] [2025-03-04 10:51:33,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:33,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:33,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:33,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:33,961 INFO L87 Difference]: Start difference. First operand 229 states and 269 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:34,017 INFO L93 Difference]: Finished difference Result 271 states and 283 transitions. [2025-03-04 10:51:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-03-04 10:51:34,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:34,019 INFO L225 Difference]: With dead ends: 271 [2025-03-04 10:51:34,019 INFO L226 Difference]: Without dead ends: 269 [2025-03-04 10:51:34,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:34,019 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 62 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:34,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 307 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-03-04 10:51:34,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 237. [2025-03-04 10:51:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 189 states have (on average 1.4285714285714286) internal successors, (270), 232 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 276 transitions. [2025-03-04 10:51:34,024 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 276 transitions. Word has length 42 [2025-03-04 10:51:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:34,024 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 276 transitions. [2025-03-04 10:51:34,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 276 transitions. [2025-03-04 10:51:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 10:51:34,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:34,025 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:34,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-04 10:51:34,025 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:34,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:34,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1174869162, now seen corresponding path program 1 times [2025-03-04 10:51:34,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:34,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574863147] [2025-03-04 10:51:34,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:34,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:34,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:34,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:34,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574863147] [2025-03-04 10:51:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574863147] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116296174] [2025-03-04 10:51:34,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:34,098 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:34,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:51:34,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:51:34,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:51:34,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:34,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:51:34,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116296174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:34,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:34,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-03-04 10:51:34,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787381324] [2025-03-04 10:51:34,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:34,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:34,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:34,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:34,187 INFO L87 Difference]: Start difference. First operand 237 states and 276 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:34,217 INFO L93 Difference]: Finished difference Result 237 states and 276 transitions. [2025-03-04 10:51:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:51:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-03-04 10:51:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:34,218 INFO L225 Difference]: With dead ends: 237 [2025-03-04 10:51:34,218 INFO L226 Difference]: Without dead ends: 236 [2025-03-04 10:51:34,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:34,218 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:34,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 336 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:34,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-04 10:51:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2025-03-04 10:51:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2025-03-04 10:51:34,224 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 44 [2025-03-04 10:51:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:34,224 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2025-03-04 10:51:34,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2025-03-04 10:51:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:51:34,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:34,224 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:34,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:34,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-04 10:51:34,425 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:34,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2061205744, now seen corresponding path program 1 times [2025-03-04 10:51:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:34,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906197195] [2025-03-04 10:51:34,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:34,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:34,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:34,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906197195] [2025-03-04 10:51:34,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906197195] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333310433] [2025-03-04 10:51:34,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:34,478 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:34,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:51:34,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:51:34,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:51:34,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:34,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:34,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333310433] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:34,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:34,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-03-04 10:51:34,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961599479] [2025-03-04 10:51:34,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:34,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:34,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:34,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:34,629 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:34,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:34,717 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2025-03-04 10:51:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2025-03-04 10:51:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:34,719 INFO L225 Difference]: With dead ends: 651 [2025-03-04 10:51:34,719 INFO L226 Difference]: Without dead ends: 588 [2025-03-04 10:51:34,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:51:34,719 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 266 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:34,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 946 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:51:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-03-04 10:51:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2025-03-04 10:51:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2025-03-04 10:51:34,733 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2025-03-04 10:51:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:34,733 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2025-03-04 10:51:34,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 10:51:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2025-03-04 10:51:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 10:51:34,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:34,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:34,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:34,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,934 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:34,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash 838799342, now seen corresponding path program 1 times [2025-03-04 10:51:34,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:34,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385303337] [2025-03-04 10:51:34,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:34,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:34,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:34,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:34,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547302459] [2025-03-04 10:51:34,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:34,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:34,948 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:34,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:51:34,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 10:51:34,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 10:51:34,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:34,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:34,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:34,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:35,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:35,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385303337] [2025-03-04 10:51:35,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547302459] [2025-03-04 10:51:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547302459] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:35,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:35,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:35,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127179866] [2025-03-04 10:51:35,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:35,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:35,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:35,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:35,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:35,400 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:35,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:35,949 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2025-03-04 10:51:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:35,951 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2025-03-04 10:51:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:35,952 INFO L225 Difference]: With dead ends: 414 [2025-03-04 10:51:35,952 INFO L226 Difference]: Without dead ends: 410 [2025-03-04 10:51:35,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:35,952 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 219 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:35,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 347 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:51:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-04 10:51:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-03-04 10:51:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 360 states have (on average 1.4027777777777777) internal successors, (505), 398 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 519 transitions. [2025-03-04 10:51:35,965 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 519 transitions. Word has length 47 [2025-03-04 10:51:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:35,965 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 519 transitions. [2025-03-04 10:51:35,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 519 transitions. [2025-03-04 10:51:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:51:35,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:35,965 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:35,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:36,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-04 10:51:36,174 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:36,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:36,174 INFO L85 PathProgramCache]: Analyzing trace with hash 232975910, now seen corresponding path program 1 times [2025-03-04 10:51:36,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:36,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619844473] [2025-03-04 10:51:36,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:36,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:36,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:36,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:36,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:36,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:36,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800465051] [2025-03-04 10:51:36,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:36,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:36,186 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:36,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:51:36,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:51:36,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:51:36,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:36,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:36,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:51:36,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:36,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:36,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619844473] [2025-03-04 10:51:36,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800465051] [2025-03-04 10:51:36,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800465051] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:36,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:36,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:36,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871015037] [2025-03-04 10:51:36,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:36,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:36,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:36,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:36,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:36,715 INFO L87 Difference]: Start difference. First operand 410 states and 519 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:37,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:37,092 INFO L93 Difference]: Finished difference Result 410 states and 519 transitions. [2025-03-04 10:51:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:37,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2025-03-04 10:51:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:37,094 INFO L225 Difference]: With dead ends: 410 [2025-03-04 10:51:37,094 INFO L226 Difference]: Without dead ends: 408 [2025-03-04 10:51:37,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:37,099 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 253 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:37,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 331 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:51:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-04 10:51:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-04 10:51:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 360 states have (on average 1.3805555555555555) internal successors, (497), 396 states have internal predecessors, (497), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 511 transitions. [2025-03-04 10:51:37,112 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 511 transitions. Word has length 48 [2025-03-04 10:51:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:37,112 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 511 transitions. [2025-03-04 10:51:37,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 511 transitions. [2025-03-04 10:51:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 10:51:37,113 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:37,113 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:37,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:37,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 10:51:37,313 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:37,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash -81734166, now seen corresponding path program 1 times [2025-03-04 10:51:37,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:37,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985771001] [2025-03-04 10:51:37,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:37,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:37,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:37,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:37,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1994031890] [2025-03-04 10:51:37,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:37,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:37,331 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:37,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:51:37,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 10:51:37,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 10:51:37,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:37,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:37,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:37,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:37,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985771001] [2025-03-04 10:51:37,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994031890] [2025-03-04 10:51:37,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994031890] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:37,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:37,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:37,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117020423] [2025-03-04 10:51:37,586 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:37,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:37,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:37,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:37,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:37,587 INFO L87 Difference]: Start difference. First operand 408 states and 511 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:38,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:38,282 INFO L93 Difference]: Finished difference Result 500 states and 604 transitions. [2025-03-04 10:51:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 10:51:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-03-04 10:51:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:38,284 INFO L225 Difference]: With dead ends: 500 [2025-03-04 10:51:38,284 INFO L226 Difference]: Without dead ends: 498 [2025-03-04 10:51:38,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:38,285 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 762 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:38,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 338 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:51:38,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-03-04 10:51:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 418. [2025-03-04 10:51:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 370 states have (on average 1.364864864864865) internal successors, (505), 406 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-04 10:51:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 519 transitions. [2025-03-04 10:51:38,296 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 519 transitions. Word has length 51 [2025-03-04 10:51:38,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:38,297 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 519 transitions. [2025-03-04 10:51:38,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2025-03-04 10:51:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-04 10:51:38,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:38,297 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:38,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-04 10:51:38,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,497 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:38,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:38,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1761208226, now seen corresponding path program 1 times [2025-03-04 10:51:38,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135061861] [2025-03-04 10:51:38,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:38,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:38,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:38,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:38,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434616884] [2025-03-04 10:51:38,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:38,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:38,510 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:38,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:51:38,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 10:51:38,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 10:51:38,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:38,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:38,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:51:38,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:38,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:39,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:39,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135061861] [2025-03-04 10:51:39,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:39,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434616884] [2025-03-04 10:51:39,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434616884] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:39,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:39,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909793151] [2025-03-04 10:51:39,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:39,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:39,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:39,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:39,144 INFO L87 Difference]: Start difference. First operand 418 states and 519 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,211 INFO L93 Difference]: Finished difference Result 516 states and 634 transitions. [2025-03-04 10:51:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-04 10:51:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-03-04 10:51:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,213 INFO L225 Difference]: With dead ends: 516 [2025-03-04 10:51:40,213 INFO L226 Difference]: Without dead ends: 514 [2025-03-04 10:51:40,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:51:40,214 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 968 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 347 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:51:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-03-04 10:51:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 452. [2025-03-04 10:51:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 403 states have (on average 1.3672456575682381) internal successors, (551), 439 states have internal predecessors, (551), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 567 transitions. [2025-03-04 10:51:40,226 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 567 transitions. Word has length 52 [2025-03-04 10:51:40,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,226 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 567 transitions. [2025-03-04 10:51:40,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 567 transitions. [2025-03-04 10:51:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 10:51:40,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,227 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-04 10:51:40,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,427 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:40,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1975884055, now seen corresponding path program 1 times [2025-03-04 10:51:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:40,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781816927] [2025-03-04 10:51:40,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:40,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:40,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:40,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:40,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394497296] [2025-03-04 10:51:40,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:40,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:40,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:40,449 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:40,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:51:40,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:51:40,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:51:40,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:40,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:40,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:40,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:40,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:40,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:40,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781816927] [2025-03-04 10:51:40,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:40,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394497296] [2025-03-04 10:51:40,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394497296] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:40,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:40,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:51:40,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487363406] [2025-03-04 10:51:40,694 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:40,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:40,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:40,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:40,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:40,694 INFO L87 Difference]: Start difference. First operand 452 states and 567 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:40,913 INFO L93 Difference]: Finished difference Result 489 states and 601 transitions. [2025-03-04 10:51:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:40,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-03-04 10:51:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:40,915 INFO L225 Difference]: With dead ends: 489 [2025-03-04 10:51:40,915 INFO L226 Difference]: Without dead ends: 485 [2025-03-04 10:51:40,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:40,915 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 155 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:40,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 465 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:40,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-04 10:51:40,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 452. [2025-03-04 10:51:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.3448275862068966) internal successors, (546), 439 states have internal predecessors, (546), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:51:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 562 transitions. [2025-03-04 10:51:40,929 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 562 transitions. Word has length 53 [2025-03-04 10:51:40,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:40,929 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 562 transitions. [2025-03-04 10:51:40,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 562 transitions. [2025-03-04 10:51:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-04 10:51:40,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:40,931 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:40,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:41,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:41,132 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:41,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1122863481, now seen corresponding path program 1 times [2025-03-04 10:51:41,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:41,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013872346] [2025-03-04 10:51:41,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:41,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:41,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:41,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:41,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:41,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359863315] [2025-03-04 10:51:41,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:41,144 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:41,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:51:41,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 10:51:41,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 10:51:41,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:41,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:41,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:51:41,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:41,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:41,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:41,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013872346] [2025-03-04 10:51:41,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:41,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359863315] [2025-03-04 10:51:41,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359863315] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:41,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:41,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-04 10:51:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393192105] [2025-03-04 10:51:41,581 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:41,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:51:41,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:41,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:51:41,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:41,582 INFO L87 Difference]: Start difference. First operand 452 states and 562 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:41,737 INFO L93 Difference]: Finished difference Result 601 states and 742 transitions. [2025-03-04 10:51:41,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:41,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2025-03-04 10:51:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:41,739 INFO L225 Difference]: With dead ends: 601 [2025-03-04 10:51:41,739 INFO L226 Difference]: Without dead ends: 599 [2025-03-04 10:51:41,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:41,740 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 302 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:41,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 316 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-03-04 10:51:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 537. [2025-03-04 10:51:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 489 states have (on average 1.3640081799591002) internal successors, (667), 522 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 687 transitions. [2025-03-04 10:51:41,755 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 687 transitions. Word has length 54 [2025-03-04 10:51:41,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:41,755 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 687 transitions. [2025-03-04 10:51:41,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 687 transitions. [2025-03-04 10:51:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:41,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:41,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:41,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:41,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-04 10:51:41,956 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:41,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash 833846246, now seen corresponding path program 1 times [2025-03-04 10:51:41,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:41,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923804546] [2025-03-04 10:51:41,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:41,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:41,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:41,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:41,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:41,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:41,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189004718] [2025-03-04 10:51:41,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:41,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:41,969 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:41,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:51:41,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:41,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:41,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:41,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:41,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:41,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:42,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:42,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:42,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923804546] [2025-03-04 10:51:42,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:42,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189004718] [2025-03-04 10:51:42,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189004718] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:42,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:42,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787023928] [2025-03-04 10:51:42,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:42,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:42,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:42,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:42,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:42,098 INFO L87 Difference]: Start difference. First operand 537 states and 687 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:42,219 INFO L93 Difference]: Finished difference Result 597 states and 735 transitions. [2025-03-04 10:51:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:42,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:42,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:42,221 INFO L225 Difference]: With dead ends: 597 [2025-03-04 10:51:42,221 INFO L226 Difference]: Without dead ends: 595 [2025-03-04 10:51:42,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:42,221 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 251 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:42,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 250 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-03-04 10:51:42,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 538. [2025-03-04 10:51:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 490 states have (on average 1.3571428571428572) internal successors, (665), 523 states have internal predecessors, (665), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 685 transitions. [2025-03-04 10:51:42,236 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 685 transitions. Word has length 55 [2025-03-04 10:51:42,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:42,236 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 685 transitions. [2025-03-04 10:51:42,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 685 transitions. [2025-03-04 10:51:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 10:51:42,237 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:42,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:42,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:42,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-03-04 10:51:42,438 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:42,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:42,438 INFO L85 PathProgramCache]: Analyzing trace with hash 60671258, now seen corresponding path program 1 times [2025-03-04 10:51:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:42,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921104882] [2025-03-04 10:51:42,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:42,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 10:51:42,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 10:51:42,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:42,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:42,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921104882] [2025-03-04 10:51:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921104882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:42,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:42,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931755977] [2025-03-04 10:51:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:42,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:42,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:42,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:42,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:42,489 INFO L87 Difference]: Start difference. First operand 538 states and 685 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:42,632 INFO L93 Difference]: Finished difference Result 543 states and 690 transitions. [2025-03-04 10:51:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:42,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-04 10:51:42,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:42,634 INFO L225 Difference]: With dead ends: 543 [2025-03-04 10:51:42,634 INFO L226 Difference]: Without dead ends: 542 [2025-03-04 10:51:42,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:42,634 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:42,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-03-04 10:51:42,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 541. [2025-03-04 10:51:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 493 states have (on average 1.354969574036511) internal successors, (668), 526 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 688 transitions. [2025-03-04 10:51:42,648 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 688 transitions. Word has length 55 [2025-03-04 10:51:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:42,648 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 688 transitions. [2025-03-04 10:51:42,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 688 transitions. [2025-03-04 10:51:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:42,648 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:42,648 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:42,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-04 10:51:42,649 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:42,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:42,649 INFO L85 PathProgramCache]: Analyzing trace with hash 79429918, now seen corresponding path program 1 times [2025-03-04 10:51:42,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:42,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389624905] [2025-03-04 10:51:42,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:42,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:42,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:42,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:42,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:42,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:42,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565899499] [2025-03-04 10:51:42,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:42,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:42,662 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:42,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:51:42,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:42,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:42,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:42,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:42,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:42,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:42,740 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 10:51:42,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:42,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389624905] [2025-03-04 10:51:42,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:42,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565899499] [2025-03-04 10:51:42,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565899499] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:42,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:42,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-04 10:51:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845172643] [2025-03-04 10:51:42,795 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:42,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:51:42,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:42,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:51:42,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:51:42,795 INFO L87 Difference]: Start difference. First operand 541 states and 688 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:42,935 INFO L93 Difference]: Finished difference Result 598 states and 734 transitions. [2025-03-04 10:51:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:51:42,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:42,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:42,937 INFO L225 Difference]: With dead ends: 598 [2025-03-04 10:51:42,937 INFO L226 Difference]: Without dead ends: 596 [2025-03-04 10:51:42,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:51:42,937 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 312 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:42,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 221 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-03-04 10:51:42,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 542. [2025-03-04 10:51:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 494 states have (on average 1.3481781376518218) internal successors, (666), 527 states have internal predecessors, (666), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 686 transitions. [2025-03-04 10:51:42,950 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 686 transitions. Word has length 56 [2025-03-04 10:51:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:42,950 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 686 transitions. [2025-03-04 10:51:42,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 686 transitions. [2025-03-04 10:51:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 10:51:42,950 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:42,950 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:42,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 10:51:43,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:43,151 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:43,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1880808972, now seen corresponding path program 1 times [2025-03-04 10:51:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289055622] [2025-03-04 10:51:43,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:43,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 10:51:43,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 10:51:43,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:43,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289055622] [2025-03-04 10:51:43,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289055622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:43,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:43,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:51:43,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050931396] [2025-03-04 10:51:43,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:43,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:51:43,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:43,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:51:43,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:51:43,213 INFO L87 Difference]: Start difference. First operand 542 states and 686 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:43,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:43,357 INFO L93 Difference]: Finished difference Result 544 states and 687 transitions. [2025-03-04 10:51:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:51:43,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-03-04 10:51:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:43,359 INFO L225 Difference]: With dead ends: 544 [2025-03-04 10:51:43,359 INFO L226 Difference]: Without dead ends: 521 [2025-03-04 10:51:43,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:43,359 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 44 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:43,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 125 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:51:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-03-04 10:51:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2025-03-04 10:51:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 473 states have (on average 1.3615221987315012) internal successors, (644), 506 states have internal predecessors, (644), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 664 transitions. [2025-03-04 10:51:43,371 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 664 transitions. Word has length 56 [2025-03-04 10:51:43,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:43,371 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 664 transitions. [2025-03-04 10:51:43,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 664 transitions. [2025-03-04 10:51:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:43,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:43,372 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:43,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-04 10:51:43,372 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:43,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1832639772, now seen corresponding path program 1 times [2025-03-04 10:51:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:43,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147558367] [2025-03-04 10:51:43,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:43,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:43,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:43,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:43,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901290545] [2025-03-04 10:51:43,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:43,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:43,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:43,381 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:43,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:51:43,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:43,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:43,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:43,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:43,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:51:43,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:43,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147558367] [2025-03-04 10:51:43,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:43,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901290545] [2025-03-04 10:51:43,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901290545] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:43,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:43,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:51:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774010450] [2025-03-04 10:51:43,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:43,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:51:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:43,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:51:43,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:43,865 INFO L87 Difference]: Start difference. First operand 521 states and 664 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:44,852 INFO L93 Difference]: Finished difference Result 586 states and 738 transitions. [2025-03-04 10:51:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:51:44,853 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:44,854 INFO L225 Difference]: With dead ends: 586 [2025-03-04 10:51:44,854 INFO L226 Difference]: Without dead ends: 582 [2025-03-04 10:51:44,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:51:44,855 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 696 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:44,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 316 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:51:44,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-03-04 10:51:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 547. [2025-03-04 10:51:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 499 states have (on average 1.3386773547094188) internal successors, (668), 532 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-04 10:51:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 688 transitions. [2025-03-04 10:51:44,867 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 688 transitions. Word has length 57 [2025-03-04 10:51:44,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:44,867 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 688 transitions. [2025-03-04 10:51:44,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 688 transitions. [2025-03-04 10:51:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-04 10:51:44,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:44,867 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:44,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:45,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:45,068 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:45,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2020583835, now seen corresponding path program 1 times [2025-03-04 10:51:45,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:45,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764577075] [2025-03-04 10:51:45,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:45,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:45,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:45,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:45,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215405023] [2025-03-04 10:51:45,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:45,081 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:45,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:51:45,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-04 10:51:45,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-04 10:51:45,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:45,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:45,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:45,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:45,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:45,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:45,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764577075] [2025-03-04 10:51:45,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:45,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215405023] [2025-03-04 10:51:45,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215405023] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:45,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:45,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:45,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747528126] [2025-03-04 10:51:45,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:45,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:45,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:45,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:45,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:45,315 INFO L87 Difference]: Start difference. First operand 547 states and 688 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:45,871 INFO L93 Difference]: Finished difference Result 716 states and 859 transitions. [2025-03-04 10:51:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:45,872 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2025-03-04 10:51:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:45,873 INFO L225 Difference]: With dead ends: 716 [2025-03-04 10:51:45,873 INFO L226 Difference]: Without dead ends: 715 [2025-03-04 10:51:45,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:45,874 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 859 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:45,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 413 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:51:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-03-04 10:51:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 601. [2025-03-04 10:51:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 552 states have (on average 1.335144927536232) internal successors, (737), 585 states have internal predecessors, (737), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 759 transitions. [2025-03-04 10:51:45,891 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 759 transitions. Word has length 57 [2025-03-04 10:51:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:45,891 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 759 transitions. [2025-03-04 10:51:45,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 759 transitions. [2025-03-04 10:51:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:45,892 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:45,892 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:45,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-04 10:51:46,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-04 10:51:46,093 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:46,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:46,093 INFO L85 PathProgramCache]: Analyzing trace with hash -977258020, now seen corresponding path program 1 times [2025-03-04 10:51:46,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:46,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975833199] [2025-03-04 10:51:46,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:46,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:46,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:46,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:46,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:46,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:46,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975833199] [2025-03-04 10:51:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975833199] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904896613] [2025-03-04 10:51:46,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:46,139 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:46,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:51:46,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:46,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:46,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:46,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:46,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:46,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:46,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:46,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904896613] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:46,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:46,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-04 10:51:46,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061570761] [2025-03-04 10:51:46,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:46,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:46,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:46,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:46,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:46,295 INFO L87 Difference]: Start difference. First operand 601 states and 759 transitions. Second operand has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:46,526 INFO L93 Difference]: Finished difference Result 620 states and 783 transitions. [2025-03-04 10:51:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:51:46,526 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2025-03-04 10:51:46,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:46,528 INFO L225 Difference]: With dead ends: 620 [2025-03-04 10:51:46,528 INFO L226 Difference]: Without dead ends: 618 [2025-03-04 10:51:46,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:51:46,528 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 181 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:46,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 321 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-04 10:51:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 599. [2025-03-04 10:51:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.3115942028985508) internal successors, (724), 583 states have internal predecessors, (724), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 746 transitions. [2025-03-04 10:51:46,543 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 746 transitions. Word has length 58 [2025-03-04 10:51:46,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:46,543 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 746 transitions. [2025-03-04 10:51:46,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:51:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2025-03-04 10:51:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 10:51:46,543 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:46,543 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:46,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:46,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-04 10:51:46,744 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:46,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1786410627, now seen corresponding path program 1 times [2025-03-04 10:51:46,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:46,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335272667] [2025-03-04 10:51:46,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:46,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:46,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:46,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:46,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:46,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445287833] [2025-03-04 10:51:46,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:46,756 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:46,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:51:46,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 10:51:46,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 10:51:46,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:46,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:46,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:51:46,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:46,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:47,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:47,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335272667] [2025-03-04 10:51:47,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:47,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445287833] [2025-03-04 10:51:47,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445287833] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:47,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:47,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-04 10:51:47,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677525387] [2025-03-04 10:51:47,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:47,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:51:47,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:47,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:51:47,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:51:47,031 INFO L87 Difference]: Start difference. First operand 599 states and 746 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:47,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:47,519 INFO L93 Difference]: Finished difference Result 710 states and 838 transitions. [2025-03-04 10:51:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:51:47,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2025-03-04 10:51:47,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:47,521 INFO L225 Difference]: With dead ends: 710 [2025-03-04 10:51:47,521 INFO L226 Difference]: Without dead ends: 708 [2025-03-04 10:51:47,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:47,522 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 854 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:47,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 430 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:51:47,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2025-03-04 10:51:47,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 599. [2025-03-04 10:51:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.2971014492753623) internal successors, (716), 583 states have internal predecessors, (716), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 738 transitions. [2025-03-04 10:51:47,537 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 738 transitions. Word has length 58 [2025-03-04 10:51:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:47,537 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 738 transitions. [2025-03-04 10:51:47,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 738 transitions. [2025-03-04 10:51:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-04 10:51:47,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:47,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:47,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-04 10:51:47,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-04 10:51:47,738 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:47,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:47,738 INFO L85 PathProgramCache]: Analyzing trace with hash -455845341, now seen corresponding path program 1 times [2025-03-04 10:51:47,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:47,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218250616] [2025-03-04 10:51:47,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:47,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:47,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:47,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:47,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:47,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:47,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391884454] [2025-03-04 10:51:47,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:47,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:47,746 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:47,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:51:47,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 10:51:47,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 10:51:47,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:47,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:47,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:47,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:48,078 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:48,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218250616] [2025-03-04 10:51:48,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:48,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391884454] [2025-03-04 10:51:48,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391884454] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:48,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:48,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:51:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154457306] [2025-03-04 10:51:48,259 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:48,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:51:48,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:48,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:51:48,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:51:48,259 INFO L87 Difference]: Start difference. First operand 599 states and 738 transitions. Second operand has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:49,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:49,714 INFO L93 Difference]: Finished difference Result 713 states and 879 transitions. [2025-03-04 10:51:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-04 10:51:49,715 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-03-04 10:51:49,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:49,716 INFO L225 Difference]: With dead ends: 713 [2025-03-04 10:51:49,716 INFO L226 Difference]: Without dead ends: 709 [2025-03-04 10:51:49,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=468, Invalid=2082, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:51:49,717 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 791 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:49,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 519 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:51:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-03-04 10:51:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 601. [2025-03-04 10:51:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.2870036101083033) internal successors, (713), 585 states have internal predecessors, (713), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 735 transitions. [2025-03-04 10:51:49,733 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 735 transitions. Word has length 59 [2025-03-04 10:51:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:49,733 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 735 transitions. [2025-03-04 10:51:49,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 20 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 735 transitions. [2025-03-04 10:51:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-04 10:51:49,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:49,734 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:49,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-04 10:51:49,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:49,938 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:49,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1246303615, now seen corresponding path program 1 times [2025-03-04 10:51:49,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:49,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975000211] [2025-03-04 10:51:49,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:49,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:49,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:49,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:49,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:49,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798636400] [2025-03-04 10:51:49,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:49,950 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:49,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:51:49,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-04 10:51:49,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-04 10:51:49,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:49,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:49,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:51:49,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:50,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:50,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:50,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975000211] [2025-03-04 10:51:50,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:50,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798636400] [2025-03-04 10:51:50,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798636400] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:50,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:51:50,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:51:50,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958489136] [2025-03-04 10:51:50,161 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:50,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:51:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:50,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:51:50,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:50,162 INFO L87 Difference]: Start difference. First operand 601 states and 735 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:50,463 INFO L93 Difference]: Finished difference Result 662 states and 785 transitions. [2025-03-04 10:51:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:51:50,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2025-03-04 10:51:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:50,465 INFO L225 Difference]: With dead ends: 662 [2025-03-04 10:51:50,465 INFO L226 Difference]: Without dead ends: 661 [2025-03-04 10:51:50,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:50,466 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 428 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:50,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 438 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2025-03-04 10:51:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 601. [2025-03-04 10:51:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.279783393501805) internal successors, (709), 585 states have internal predecessors, (709), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 10:51:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 731 transitions. [2025-03-04 10:51:50,481 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 731 transitions. Word has length 60 [2025-03-04 10:51:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:50,482 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 731 transitions. [2025-03-04 10:51:50,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 731 transitions. [2025-03-04 10:51:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-04 10:51:50,482 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:50,482 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:50,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:50,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:50,682 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:50,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash 355795800, now seen corresponding path program 1 times [2025-03-04 10:51:50,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:50,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360744034] [2025-03-04 10:51:50,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:50,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:50,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:50,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:50,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:50,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360744034] [2025-03-04 10:51:50,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360744034] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393836590] [2025-03-04 10:51:50,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:50,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:50,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:50,727 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:50,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:51:50,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 10:51:50,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 10:51:50,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:50,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:50,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:50,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:50,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:50,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393836590] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:50,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:50,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:51:50,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14724785] [2025-03-04 10:51:50,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:50,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:51:50,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:50,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:51:50,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:51:50,929 INFO L87 Difference]: Start difference. First operand 601 states and 731 transitions. Second operand has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:51,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:51,218 INFO L93 Difference]: Finished difference Result 805 states and 999 transitions. [2025-03-04 10:51:51,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:51,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-03-04 10:51:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:51,221 INFO L225 Difference]: With dead ends: 805 [2025-03-04 10:51:51,221 INFO L226 Difference]: Without dead ends: 803 [2025-03-04 10:51:51,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:51:51,221 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 220 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:51,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 343 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:51,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-04 10:51:51,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 776. [2025-03-04 10:51:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 726 states have (on average 1.303030303030303) internal successors, (946), 757 states have internal predecessors, (946), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 10:51:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 974 transitions. [2025-03-04 10:51:51,240 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 974 transitions. Word has length 62 [2025-03-04 10:51:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:51,240 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 974 transitions. [2025-03-04 10:51:51,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 974 transitions. [2025-03-04 10:51:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-04 10:51:51,241 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:51,241 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:51,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-04 10:51:51,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:51,441 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:51,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:51,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1855232034, now seen corresponding path program 1 times [2025-03-04 10:51:51,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:51,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204576645] [2025-03-04 10:51:51,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:51,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-04 10:51:51,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-04 10:51:51,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:51,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:51,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204576645] [2025-03-04 10:51:51,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204576645] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:51:51,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:51:51,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:51:51,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786627869] [2025-03-04 10:51:51,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:51:51,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:51:51,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:51,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:51:51,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:51:51,476 INFO L87 Difference]: Start difference. First operand 776 states and 974 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:51,745 INFO L93 Difference]: Finished difference Result 1068 states and 1371 transitions. [2025-03-04 10:51:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:51:51,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2025-03-04 10:51:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:51,748 INFO L225 Difference]: With dead ends: 1068 [2025-03-04 10:51:51,748 INFO L226 Difference]: Without dead ends: 1066 [2025-03-04 10:51:51,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:51:51,750 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 90 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:51,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 311 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:51,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2025-03-04 10:51:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 986. [2025-03-04 10:51:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 931 states have (on average 1.3329752953813103) internal successors, (1241), 962 states have internal predecessors, (1241), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1279 transitions. [2025-03-04 10:51:51,785 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1279 transitions. Word has length 63 [2025-03-04 10:51:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:51,785 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1279 transitions. [2025-03-04 10:51:51,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 10:51:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1279 transitions. [2025-03-04 10:51:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-04 10:51:51,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:51,786 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:51,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-04 10:51:51,786 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:51,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:51,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1677618154, now seen corresponding path program 1 times [2025-03-04 10:51:51,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:51,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028850320] [2025-03-04 10:51:51,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:51,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:51,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:51,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:51,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642865278] [2025-03-04 10:51:51,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:51,797 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:51,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:51:51,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 10:51:51,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 10:51:51,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:51,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:51,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:51:51,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:52,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:51:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:52,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028850320] [2025-03-04 10:51:52,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:52,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642865278] [2025-03-04 10:51:52,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642865278] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:52,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:52,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-03-04 10:51:52,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987787259] [2025-03-04 10:51:52,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:52,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:51:52,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:52,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:51:52,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:51:52,185 INFO L87 Difference]: Start difference. First operand 986 states and 1279 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:53,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:53,432 INFO L93 Difference]: Finished difference Result 1027 states and 1328 transitions. [2025-03-04 10:51:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:51:53,433 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2025-03-04 10:51:53,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:53,435 INFO L225 Difference]: With dead ends: 1027 [2025-03-04 10:51:53,435 INFO L226 Difference]: Without dead ends: 1001 [2025-03-04 10:51:53,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:51:53,435 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 349 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:53,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 280 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:51:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2025-03-04 10:51:53,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 971. [2025-03-04 10:51:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 916 states have (on average 1.334061135371179) internal successors, (1222), 947 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1260 transitions. [2025-03-04 10:51:53,460 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1260 transitions. Word has length 64 [2025-03-04 10:51:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:53,460 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1260 transitions. [2025-03-04 10:51:53,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1260 transitions. [2025-03-04 10:51:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-04 10:51:53,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:53,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:53,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-04 10:51:53,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-04 10:51:53,661 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:53,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1549396357, now seen corresponding path program 1 times [2025-03-04 10:51:53,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:53,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131254063] [2025-03-04 10:51:53,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:53,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:53,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:53,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:53,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:53,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897949657] [2025-03-04 10:51:53,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:53,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:53,675 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:53,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:51:53,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 10:51:53,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 10:51:53,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:53,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:53,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:53,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:53,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131254063] [2025-03-04 10:51:54,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897949657] [2025-03-04 10:51:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897949657] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:54,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:54,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2025-03-04 10:51:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390123675] [2025-03-04 10:51:54,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:54,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-04 10:51:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:54,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-04 10:51:54,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:51:54,241 INFO L87 Difference]: Start difference. First operand 971 states and 1260 transitions. Second operand has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:56,394 INFO L93 Difference]: Finished difference Result 1119 states and 1453 transitions. [2025-03-04 10:51:56,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-04 10:51:56,394 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2025-03-04 10:51:56,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:56,396 INFO L225 Difference]: With dead ends: 1119 [2025-03-04 10:51:56,396 INFO L226 Difference]: Without dead ends: 1117 [2025-03-04 10:51:56,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=618, Invalid=2688, Unknown=0, NotChecked=0, Total=3306 [2025-03-04 10:51:56,398 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 604 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:56,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 668 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2389 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-04 10:51:56,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2025-03-04 10:51:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 974. [2025-03-04 10:51:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 919 states have (on average 1.3297062023939064) internal successors, (1222), 950 states have internal predecessors, (1222), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1260 transitions. [2025-03-04 10:51:56,435 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1260 transitions. Word has length 66 [2025-03-04 10:51:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:56,436 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1260 transitions. [2025-03-04 10:51:56,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.2) internal successors, (124), 21 states have internal predecessors, (124), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1260 transitions. [2025-03-04 10:51:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-04 10:51:56,436 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:56,436 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:56,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:56,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-04 10:51:56,640 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:56,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:56,640 INFO L85 PathProgramCache]: Analyzing trace with hash -786646757, now seen corresponding path program 1 times [2025-03-04 10:51:56,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:56,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945241829] [2025-03-04 10:51:56,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:56,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:56,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:56,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:51:56,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574718672] [2025-03-04 10:51:56,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:56,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:56,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:56,652 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:56,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:51:56,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-04 10:51:56,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-04 10:51:56,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:56,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:56,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:51:56,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:57,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:51:57,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:57,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945241829] [2025-03-04 10:51:57,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:51:57,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574718672] [2025-03-04 10:51:57,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574718672] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:57,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:51:57,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2025-03-04 10:51:57,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465202265] [2025-03-04 10:51:57,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:57,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:51:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:57,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:51:57,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:57,271 INFO L87 Difference]: Start difference. First operand 974 states and 1260 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:58,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:58,549 INFO L93 Difference]: Finished difference Result 1033 states and 1329 transitions. [2025-03-04 10:51:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:51:58,550 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2025-03-04 10:51:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:58,552 INFO L225 Difference]: With dead ends: 1033 [2025-03-04 10:51:58,552 INFO L226 Difference]: Without dead ends: 1029 [2025-03-04 10:51:58,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2025-03-04 10:51:58,553 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 442 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:58,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 251 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:51:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2025-03-04 10:51:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 992. [2025-03-04 10:51:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 938 states have (on average 1.3208955223880596) internal successors, (1239), 968 states have internal predecessors, (1239), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 10:51:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1277 transitions. [2025-03-04 10:51:58,583 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1277 transitions. Word has length 67 [2025-03-04 10:51:58,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:58,583 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1277 transitions. [2025-03-04 10:51:58,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:51:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1277 transitions. [2025-03-04 10:51:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 10:51:58,583 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:58,583 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:58,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:58,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:58,784 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:58,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash -391273442, now seen corresponding path program 1 times [2025-03-04 10:51:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:58,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73378654] [2025-03-04 10:51:58,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:58,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:58,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:58,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:58,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73378654] [2025-03-04 10:51:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73378654] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:58,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56350863] [2025-03-04 10:51:58,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:58,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:58,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:58,838 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:58,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-04 10:51:58,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:51:58,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:51:58,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:58,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:58,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:51:58,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:58,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56350863] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:59,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:59,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-04 10:51:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107258963] [2025-03-04 10:51:59,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:59,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:51:59,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:59,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:51:59,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:51:59,074 INFO L87 Difference]: Start difference. First operand 992 states and 1277 transitions. Second operand has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:51:59,337 INFO L93 Difference]: Finished difference Result 1337 states and 1725 transitions. [2025-03-04 10:51:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:51:59,338 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2025-03-04 10:51:59,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:51:59,341 INFO L225 Difference]: With dead ends: 1337 [2025-03-04 10:51:59,341 INFO L226 Difference]: Without dead ends: 1336 [2025-03-04 10:51:59,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:51:59,341 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 1013 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:51:59,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 297 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:51:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2025-03-04 10:51:59,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1197. [2025-03-04 10:51:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 1137 states have (on average 1.324538258575198) internal successors, (1506), 1167 states have internal predecessors, (1506), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-04 10:51:59,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1556 transitions. [2025-03-04 10:51:59,382 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1556 transitions. Word has length 74 [2025-03-04 10:51:59,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:51:59,382 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1556 transitions. [2025-03-04 10:51:59,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:51:59,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1556 transitions. [2025-03-04 10:51:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 10:51:59,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:51:59,383 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:51:59,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-04 10:51:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-04 10:51:59,587 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:51:59,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:51:59,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1474992472, now seen corresponding path program 1 times [2025-03-04 10:51:59,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:51:59,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830286180] [2025-03-04 10:51:59,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:59,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:51:59,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:59,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:59,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:59,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:51:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830286180] [2025-03-04 10:51:59,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830286180] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:51:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505126115] [2025-03-04 10:51:59,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:51:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:51:59,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:51:59,633 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:51:59,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-04 10:51:59,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 10:51:59,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 10:51:59,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:51:59,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:51:59,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:51:59,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:51:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:51:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:51:59,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505126115] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:51:59,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:51:59,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-04 10:51:59,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379839728] [2025-03-04 10:51:59,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:51:59,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:51:59,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:51:59,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:51:59,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:51:59,916 INFO L87 Difference]: Start difference. First operand 1197 states and 1556 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:00,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:00,233 INFO L93 Difference]: Finished difference Result 1669 states and 2161 transitions. [2025-03-04 10:52:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:52:00,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2025-03-04 10:52:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:00,237 INFO L225 Difference]: With dead ends: 1669 [2025-03-04 10:52:00,237 INFO L226 Difference]: Without dead ends: 1668 [2025-03-04 10:52:00,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:52:00,237 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 487 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:00,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 446 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2025-03-04 10:52:00,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1455. [2025-03-04 10:52:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1387 states have (on average 1.3316510454217736) internal successors, (1847), 1417 states have internal predecessors, (1847), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 10:52:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1913 transitions. [2025-03-04 10:52:00,289 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1913 transitions. Word has length 77 [2025-03-04 10:52:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:00,290 INFO L471 AbstractCegarLoop]: Abstraction has 1455 states and 1913 transitions. [2025-03-04 10:52:00,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1913 transitions. [2025-03-04 10:52:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:52:00,290 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:00,290 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:00,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-04 10:52:00,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-04 10:52:00,491 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:00,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:00,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1547535403, now seen corresponding path program 1 times [2025-03-04 10:52:00,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:00,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73313834] [2025-03-04 10:52:00,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:00,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:00,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:00,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:00,561 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:00,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73313834] [2025-03-04 10:52:00,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73313834] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:00,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024694827] [2025-03-04 10:52:00,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:00,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:00,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:00,563 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:00,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-04 10:52:00,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:00,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:00,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:00,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:00,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:00,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:00,863 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024694827] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:01,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:01,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-04 10:52:01,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441298122] [2025-03-04 10:52:01,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:01,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:01,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:01,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:01,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:01,073 INFO L87 Difference]: Start difference. First operand 1455 states and 1913 transitions. Second operand has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:01,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:01,813 INFO L93 Difference]: Finished difference Result 1636 states and 2133 transitions. [2025-03-04 10:52:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:52:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2025-03-04 10:52:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:01,817 INFO L225 Difference]: With dead ends: 1636 [2025-03-04 10:52:01,817 INFO L226 Difference]: Without dead ends: 1635 [2025-03-04 10:52:01,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:01,818 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 706 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:01,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 868 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2025-03-04 10:52:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1494. [2025-03-04 10:52:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1424 states have (on average 1.3300561797752808) internal successors, (1894), 1454 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:52:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1964 transitions. [2025-03-04 10:52:01,871 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1964 transitions. Word has length 81 [2025-03-04 10:52:01,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:01,871 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1964 transitions. [2025-03-04 10:52:01,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1964 transitions. [2025-03-04 10:52:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:52:01,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:01,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:01,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:02,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:02,072 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:02,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1752187702, now seen corresponding path program 1 times [2025-03-04 10:52:02,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:02,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099499247] [2025-03-04 10:52:02,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:02,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:02,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:02,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:02,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:02,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317188764] [2025-03-04 10:52:02,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:02,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:02,082 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:02,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-04 10:52:02,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:52:02,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:52:02,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:02,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:02,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:52:02,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:02,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:02,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099499247] [2025-03-04 10:52:02,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:02,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317188764] [2025-03-04 10:52:02,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317188764] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:02,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:02,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-04 10:52:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427787860] [2025-03-04 10:52:02,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:02,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 10:52:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:02,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 10:52:02,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-04 10:52:02,409 INFO L87 Difference]: Start difference. First operand 1494 states and 1964 transitions. Second operand has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:03,125 INFO L93 Difference]: Finished difference Result 1508 states and 1973 transitions. [2025-03-04 10:52:03,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:03,125 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-03-04 10:52:03,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:03,130 INFO L225 Difference]: With dead ends: 1508 [2025-03-04 10:52:03,132 INFO L226 Difference]: Without dead ends: 1505 [2025-03-04 10:52:03,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:03,133 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 186 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:03,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 742 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:52:03,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2025-03-04 10:52:03,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1496. [2025-03-04 10:52:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1426 states have (on average 1.3281907433380085) internal successors, (1894), 1456 states have internal predecessors, (1894), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:52:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1964 transitions. [2025-03-04 10:52:03,183 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1964 transitions. Word has length 81 [2025-03-04 10:52:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:03,183 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 1964 transitions. [2025-03-04 10:52:03,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 14 states have internal predecessors, (140), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1964 transitions. [2025-03-04 10:52:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:52:03,184 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:03,184 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:03,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:03,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,384 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:03,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:03,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1122836813, now seen corresponding path program 1 times [2025-03-04 10:52:03,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:03,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168417507] [2025-03-04 10:52:03,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:03,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:03,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:03,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:03,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:03,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168417507] [2025-03-04 10:52:03,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168417507] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:03,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67399016] [2025-03-04 10:52:03,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:03,433 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:03,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-04 10:52:03,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:03,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:03,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:03,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:03,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:03,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:03,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67399016] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:03,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:52:03,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727210271] [2025-03-04 10:52:03,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:03,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:52:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:03,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:52:03,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:03,587 INFO L87 Difference]: Start difference. First operand 1496 states and 1964 transitions. Second operand has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:03,684 INFO L93 Difference]: Finished difference Result 2078 states and 2711 transitions. [2025-03-04 10:52:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:03,684 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 83 [2025-03-04 10:52:03,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:03,689 INFO L225 Difference]: With dead ends: 2078 [2025-03-04 10:52:03,689 INFO L226 Difference]: Without dead ends: 2077 [2025-03-04 10:52:03,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:03,689 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 374 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:03,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 503 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:03,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2025-03-04 10:52:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1838. [2025-03-04 10:52:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1759 states have (on average 1.3393973848777714) internal successors, (2356), 1789 states have internal predecessors, (2356), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2444 transitions. [2025-03-04 10:52:03,759 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2444 transitions. Word has length 83 [2025-03-04 10:52:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2444 transitions. [2025-03-04 10:52:03,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 10:52:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2444 transitions. [2025-03-04 10:52:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:52:03,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:03,759 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:03,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,960 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:03,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash 225201652, now seen corresponding path program 1 times [2025-03-04 10:52:03,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:03,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093434936] [2025-03-04 10:52:03,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:03,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:03,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:03,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:03,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:03,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171676311] [2025-03-04 10:52:03,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:03,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:03,975 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:03,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-04 10:52:03,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:52:04,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:52:04,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:04,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:04,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:04,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:04,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:04,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:04,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093434936] [2025-03-04 10:52:04,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:04,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171676311] [2025-03-04 10:52:04,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171676311] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:04,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:04,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:52:04,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216758249] [2025-03-04 10:52:04,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:04,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:04,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:04,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:04,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:04,421 INFO L87 Difference]: Start difference. First operand 1838 states and 2444 transitions. Second operand has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:05,314 INFO L93 Difference]: Finished difference Result 1847 states and 2453 transitions. [2025-03-04 10:52:05,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 10:52:05,314 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 83 [2025-03-04 10:52:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:05,317 INFO L225 Difference]: With dead ends: 1847 [2025-03-04 10:52:05,317 INFO L226 Difference]: Without dead ends: 1846 [2025-03-04 10:52:05,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 10:52:05,318 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 460 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:05,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 470 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:52:05,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2025-03-04 10:52:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1842. [2025-03-04 10:52:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1763 states have (on average 1.339194554736245) internal successors, (2361), 1793 states have internal predecessors, (2361), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2449 transitions. [2025-03-04 10:52:05,384 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2449 transitions. Word has length 83 [2025-03-04 10:52:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:05,384 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2449 transitions. [2025-03-04 10:52:05,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.705882352941176) internal successors, (148), 18 states have internal predecessors, (148), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2449 transitions. [2025-03-04 10:52:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:52:05,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:05,384 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:05,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-03-04 10:52:05,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-04 10:52:05,585 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:05,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1608683382, now seen corresponding path program 1 times [2025-03-04 10:52:05,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:05,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945730412] [2025-03-04 10:52:05,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:05,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:05,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:05,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:05,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120983929] [2025-03-04 10:52:05,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:05,597 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:05,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-04 10:52:05,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:52:05,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:52:05,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:05,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:05,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 10:52:05,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:05,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:05,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:05,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945730412] [2025-03-04 10:52:05,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:05,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120983929] [2025-03-04 10:52:05,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120983929] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:05,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:05,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 10:52:05,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997173250] [2025-03-04 10:52:05,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:05,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:05,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:05,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:05,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:05,925 INFO L87 Difference]: Start difference. First operand 1842 states and 2449 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:06,920 INFO L93 Difference]: Finished difference Result 1933 states and 2564 transitions. [2025-03-04 10:52:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:52:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2025-03-04 10:52:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:06,923 INFO L225 Difference]: With dead ends: 1933 [2025-03-04 10:52:06,923 INFO L226 Difference]: Without dead ends: 1929 [2025-03-04 10:52:06,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:52:06,924 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:06,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 558 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:52:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2025-03-04 10:52:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1887. [2025-03-04 10:52:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3373893805309736) internal successors, (2418), 1838 states have internal predecessors, (2418), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2506 transitions. [2025-03-04 10:52:06,992 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2506 transitions. Word has length 84 [2025-03-04 10:52:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:06,992 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2506 transitions. [2025-03-04 10:52:06,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2506 transitions. [2025-03-04 10:52:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:52:06,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:06,992 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:06,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-04 10:52:07,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-03-04 10:52:07,197 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:07,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1670422706, now seen corresponding path program 1 times [2025-03-04 10:52:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295488181] [2025-03-04 10:52:07,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:07,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:07,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:07,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:07,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:07,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:07,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:07,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295488181] [2025-03-04 10:52:07,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295488181] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:07,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36678257] [2025-03-04 10:52:07,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:07,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:07,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:07,257 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:07,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-04 10:52:07,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:52:07,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:52:07,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:07,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:07,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:52:07,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:07,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:07,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36678257] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:07,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:07,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-03-04 10:52:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572173648] [2025-03-04 10:52:07,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:07,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:07,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:07,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:07,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:52:07,455 INFO L87 Difference]: Start difference. First operand 1887 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:07,700 INFO L93 Difference]: Finished difference Result 1889 states and 2507 transitions. [2025-03-04 10:52:07,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:52:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 85 [2025-03-04 10:52:07,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:07,703 INFO L225 Difference]: With dead ends: 1889 [2025-03-04 10:52:07,703 INFO L226 Difference]: Without dead ends: 1888 [2025-03-04 10:52:07,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:52:07,704 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 153 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:07,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 361 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2025-03-04 10:52:07,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1887. [2025-03-04 10:52:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1808 states have (on average 1.3368362831858407) internal successors, (2417), 1838 states have internal predecessors, (2417), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-04 10:52:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2505 transitions. [2025-03-04 10:52:07,763 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2505 transitions. Word has length 85 [2025-03-04 10:52:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:07,763 INFO L471 AbstractCegarLoop]: Abstraction has 1887 states and 2505 transitions. [2025-03-04 10:52:07,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.0) internal successors, (117), 10 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2505 transitions. [2025-03-04 10:52:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 10:52:07,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:07,764 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:07,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:07,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-03-04 10:52:07,968 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:07,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2114148629, now seen corresponding path program 1 times [2025-03-04 10:52:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042697072] [2025-03-04 10:52:07,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:07,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:07,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:07,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:07,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:08,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:08,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042697072] [2025-03-04 10:52:08,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042697072] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:08,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337375872] [2025-03-04 10:52:08,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:08,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:08,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:08,049 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:08,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-04 10:52:08,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 10:52:08,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 10:52:08,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:08,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:08,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:52:08,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:52:08,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:08,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337375872] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:08,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:08,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2025-03-04 10:52:08,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426450359] [2025-03-04 10:52:08,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:08,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-04 10:52:08,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:08,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-04 10:52:08,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-03-04 10:52:08,270 INFO L87 Difference]: Start difference. First operand 1887 states and 2505 transitions. Second operand has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:08,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:08,478 INFO L93 Difference]: Finished difference Result 3084 states and 4053 transitions. [2025-03-04 10:52:08,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:08,478 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 87 [2025-03-04 10:52:08,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:08,482 INFO L225 Difference]: With dead ends: 3084 [2025-03-04 10:52:08,482 INFO L226 Difference]: Without dead ends: 2898 [2025-03-04 10:52:08,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2025-03-04 10:52:08,482 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 329 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:08,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1205 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:52:08,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2025-03-04 10:52:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2521. [2025-03-04 10:52:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2426 states have (on average 1.304616652926628) internal successors, (3165), 2456 states have internal predecessors, (3165), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3281 transitions. [2025-03-04 10:52:08,591 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3281 transitions. Word has length 87 [2025-03-04 10:52:08,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:08,591 INFO L471 AbstractCegarLoop]: Abstraction has 2521 states and 3281 transitions. [2025-03-04 10:52:08,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 states have internal predecessors, (172), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-04 10:52:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3281 transitions. [2025-03-04 10:52:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 10:52:08,592 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:08,592 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:08,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:08,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-04 10:52:08,796 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:08,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash -200663506, now seen corresponding path program 1 times [2025-03-04 10:52:08,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:08,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986613677] [2025-03-04 10:52:08,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:08,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:08,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:08,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:08,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:08,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:08,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986613677] [2025-03-04 10:52:08,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986613677] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:08,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445796469] [2025-03-04 10:52:08,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:08,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:08,836 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:08,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-04 10:52:08,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:52:08,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:52:08,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:08,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:08,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:52:08,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:08,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:09,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445796469] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:09,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:09,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 6 [2025-03-04 10:52:09,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471171605] [2025-03-04 10:52:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:09,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:52:09,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:09,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:52:09,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:52:09,107 INFO L87 Difference]: Start difference. First operand 2521 states and 3281 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:09,385 INFO L93 Difference]: Finished difference Result 2550 states and 3297 transitions. [2025-03-04 10:52:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:09,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 89 [2025-03-04 10:52:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:09,389 INFO L225 Difference]: With dead ends: 2550 [2025-03-04 10:52:09,389 INFO L226 Difference]: Without dead ends: 2548 [2025-03-04 10:52:09,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:52:09,390 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 131 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:09,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 174 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2025-03-04 10:52:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2521. [2025-03-04 10:52:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2426 states have (on average 1.293487221764221) internal successors, (3138), 2456 states have internal predecessors, (3138), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3254 transitions. [2025-03-04 10:52:09,492 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3254 transitions. Word has length 89 [2025-03-04 10:52:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:09,492 INFO L471 AbstractCegarLoop]: Abstraction has 2521 states and 3254 transitions. [2025-03-04 10:52:09,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3254 transitions. [2025-03-04 10:52:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:09,492 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:09,492 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:09,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:09,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:09,693 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:09,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:09,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1052993812, now seen corresponding path program 1 times [2025-03-04 10:52:09,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:09,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992332275] [2025-03-04 10:52:09,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:09,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:09,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:09,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:09,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:09,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226512271] [2025-03-04 10:52:09,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:09,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:09,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:09,705 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:09,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-04 10:52:09,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:09,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:09,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:09,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:09,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:52:09,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:09,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:10,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:10,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992332275] [2025-03-04 10:52:10,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:10,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226512271] [2025-03-04 10:52:10,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226512271] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:10,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:10,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:52:10,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791500118] [2025-03-04 10:52:10,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:10,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:52:10,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:10,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:52:10,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:52:10,233 INFO L87 Difference]: Start difference. First operand 2521 states and 3254 transitions. Second operand has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:11,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:11,440 INFO L93 Difference]: Finished difference Result 2666 states and 3419 transitions. [2025-03-04 10:52:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 10:52:11,441 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 92 [2025-03-04 10:52:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:11,445 INFO L225 Difference]: With dead ends: 2666 [2025-03-04 10:52:11,445 INFO L226 Difference]: Without dead ends: 2664 [2025-03-04 10:52:11,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2025-03-04 10:52:11,446 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 767 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:11,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 564 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:52:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2025-03-04 10:52:11,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2549. [2025-03-04 10:52:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 2454 states have (on average 1.2840260798696006) internal successors, (3151), 2484 states have internal predecessors, (3151), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3267 transitions. [2025-03-04 10:52:11,567 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3267 transitions. Word has length 92 [2025-03-04 10:52:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:11,567 INFO L471 AbstractCegarLoop]: Abstraction has 2549 states and 3267 transitions. [2025-03-04 10:52:11,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3267 transitions. [2025-03-04 10:52:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:52:11,568 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:11,568 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:11,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:11,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-03-04 10:52:11,772 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:11,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 627954818, now seen corresponding path program 1 times [2025-03-04 10:52:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:11,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086684069] [2025-03-04 10:52:11,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:11,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:11,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:11,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:11,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:11,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086684069] [2025-03-04 10:52:11,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086684069] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170136317] [2025-03-04 10:52:11,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:11,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:11,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:11,855 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:11,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-04 10:52:11,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:52:11,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:52:11,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:11,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:11,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:11,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:12,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170136317] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:12,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:12,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-04 10:52:12,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689067367] [2025-03-04 10:52:12,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:12,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:12,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:12,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:12,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:12,292 INFO L87 Difference]: Start difference. First operand 2549 states and 3267 transitions. Second operand has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:12,921 INFO L93 Difference]: Finished difference Result 2575 states and 3297 transitions. [2025-03-04 10:52:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-04 10:52:12,921 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 92 [2025-03-04 10:52:12,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:12,924 INFO L225 Difference]: With dead ends: 2575 [2025-03-04 10:52:12,924 INFO L226 Difference]: Without dead ends: 2574 [2025-03-04 10:52:12,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:12,925 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 235 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:12,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 902 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2025-03-04 10:52:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2558. [2025-03-04 10:52:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2463 states have (on average 1.2838002436053593) internal successors, (3162), 2493 states have internal predecessors, (3162), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 10:52:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3278 transitions. [2025-03-04 10:52:13,014 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3278 transitions. Word has length 92 [2025-03-04 10:52:13,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:13,014 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 3278 transitions. [2025-03-04 10:52:13,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3278 transitions. [2025-03-04 10:52:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:52:13,015 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:13,015 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:13,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:13,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-03-04 10:52:13,215 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:13,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -365390028, now seen corresponding path program 1 times [2025-03-04 10:52:13,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:13,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727903212] [2025-03-04 10:52:13,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:13,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:13,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:13,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:13,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:13,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632526500] [2025-03-04 10:52:13,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:13,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:13,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:13,230 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:13,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-04 10:52:13,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:52:13,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:52:13,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:13,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:13,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:13,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:13,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:13,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:13,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727903212] [2025-03-04 10:52:13,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:13,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632526500] [2025-03-04 10:52:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632526500] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:13,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:13,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:13,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968714221] [2025-03-04 10:52:13,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:13,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:13,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:13,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:13,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:13,848 INFO L87 Difference]: Start difference. First operand 2558 states and 3278 transitions. Second operand has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:16,141 INFO L93 Difference]: Finished difference Result 3256 states and 4183 transitions. [2025-03-04 10:52:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-04 10:52:16,142 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2025-03-04 10:52:16,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:16,147 INFO L225 Difference]: With dead ends: 3256 [2025-03-04 10:52:16,147 INFO L226 Difference]: Without dead ends: 3252 [2025-03-04 10:52:16,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=838, Invalid=4132, Unknown=0, NotChecked=0, Total=4970 [2025-03-04 10:52:16,148 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 537 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:16,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1216 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-04 10:52:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2025-03-04 10:52:16,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3017. [2025-03-04 10:52:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2911 states have (on average 1.2885606320851941) internal successors, (3751), 2941 states have internal predecessors, (3751), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3889 transitions. [2025-03-04 10:52:16,257 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3889 transitions. Word has length 95 [2025-03-04 10:52:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:16,257 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 3889 transitions. [2025-03-04 10:52:16,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3889 transitions. [2025-03-04 10:52:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 10:52:16,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:16,258 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:16,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:16,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2025-03-04 10:52:16,458 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:16,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:16,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1501714046, now seen corresponding path program 1 times [2025-03-04 10:52:16,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:16,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82894391] [2025-03-04 10:52:16,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:16,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:16,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:16,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:16,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:16,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621995301] [2025-03-04 10:52:16,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:16,473 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:16,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-04 10:52:16,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 10:52:16,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 10:52:16,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:16,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:16,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:16,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:16,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:52:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82894391] [2025-03-04 10:52:17,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621995301] [2025-03-04 10:52:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621995301] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:17,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:17,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-03-04 10:52:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939192927] [2025-03-04 10:52:17,154 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:17,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-04 10:52:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:17,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-04 10:52:17,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-03-04 10:52:17,155 INFO L87 Difference]: Start difference. First operand 3017 states and 3889 transitions. Second operand has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:18,784 INFO L93 Difference]: Finished difference Result 3037 states and 3910 transitions. [2025-03-04 10:52:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2025-03-04 10:52:18,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:18,788 INFO L225 Difference]: With dead ends: 3037 [2025-03-04 10:52:18,788 INFO L226 Difference]: Without dead ends: 3013 [2025-03-04 10:52:18,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=1158, Unknown=0, NotChecked=0, Total=1406 [2025-03-04 10:52:18,789 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 289 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:18,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 952 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-04 10:52:18,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2025-03-04 10:52:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3010. [2025-03-04 10:52:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2904 states have (on average 1.290289256198347) internal successors, (3747), 2934 states have internal predecessors, (3747), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 3885 transitions. [2025-03-04 10:52:18,909 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 3885 transitions. Word has length 96 [2025-03-04 10:52:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:18,909 INFO L471 AbstractCegarLoop]: Abstraction has 3010 states and 3885 transitions. [2025-03-04 10:52:18,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 3885 transitions. [2025-03-04 10:52:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:18,911 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:18,911 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:18,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:19,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:19,112 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:19,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:19,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1177070159, now seen corresponding path program 1 times [2025-03-04 10:52:19,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:19,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641512354] [2025-03-04 10:52:19,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:19,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:19,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:19,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:19,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:19,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:19,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199326999] [2025-03-04 10:52:19,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:19,125 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:19,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-04 10:52:19,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:19,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:19,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:19,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:19,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:19,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:19,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:19,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:19,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641512354] [2025-03-04 10:52:19,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:19,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199326999] [2025-03-04 10:52:19,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199326999] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:19,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:19,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-04 10:52:19,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452606193] [2025-03-04 10:52:19,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:19,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:19,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:19,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:19,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:19,755 INFO L87 Difference]: Start difference. First operand 3010 states and 3885 transitions. Second operand has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:22,108 INFO L93 Difference]: Finished difference Result 3054 states and 3932 transitions. [2025-03-04 10:52:22,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-04 10:52:22,108 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:22,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:22,116 INFO L225 Difference]: With dead ends: 3054 [2025-03-04 10:52:22,116 INFO L226 Difference]: Without dead ends: 3051 [2025-03-04 10:52:22,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-03-04 10:52:22,117 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1014 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:22,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 400 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:52:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2025-03-04 10:52:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3020. [2025-03-04 10:52:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 2914 states have (on average 1.2882635552505148) internal successors, (3754), 2944 states have internal predecessors, (3754), 69 states have call successors, (69), 6 states have call predecessors, (69), 6 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-03-04 10:52:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3892 transitions. [2025-03-04 10:52:22,229 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3892 transitions. Word has length 97 [2025-03-04 10:52:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:22,229 INFO L471 AbstractCegarLoop]: Abstraction has 3020 states and 3892 transitions. [2025-03-04 10:52:22,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3892 transitions. [2025-03-04 10:52:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:22,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:22,230 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:22,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:22,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:22,431 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:22,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:22,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1047503538, now seen corresponding path program 1 times [2025-03-04 10:52:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:22,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133501729] [2025-03-04 10:52:22,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:22,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:22,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:22,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:22,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:22,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:22,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313993791] [2025-03-04 10:52:22,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:22,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:22,443 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:22,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-04 10:52:22,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 10:52:22,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:22,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:22,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:22,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:22,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:22,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:22,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133501729] [2025-03-04 10:52:22,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313993791] [2025-03-04 10:52:22,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313993791] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:22,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:22,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453753207] [2025-03-04 10:52:22,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:22,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:22,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:22,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:22,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:22,981 INFO L87 Difference]: Start difference. First operand 3020 states and 3892 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:25,690 INFO L93 Difference]: Finished difference Result 3313 states and 4246 transitions. [2025-03-04 10:52:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-03-04 10:52:25,690 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:25,693 INFO L225 Difference]: With dead ends: 3313 [2025-03-04 10:52:25,693 INFO L226 Difference]: Without dead ends: 3311 [2025-03-04 10:52:25,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=500, Invalid=3160, Unknown=0, NotChecked=0, Total=3660 [2025-03-04 10:52:25,695 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 525 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:25,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1282 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-04 10:52:25,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2025-03-04 10:52:25,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3115. [2025-03-04 10:52:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 3007 states have (on average 1.2883272364482874) internal successors, (3874), 3037 states have internal predecessors, (3874), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4016 transitions. [2025-03-04 10:52:25,810 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4016 transitions. Word has length 97 [2025-03-04 10:52:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:25,810 INFO L471 AbstractCegarLoop]: Abstraction has 3115 states and 4016 transitions. [2025-03-04 10:52:25,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4016 transitions. [2025-03-04 10:52:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 10:52:25,811 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:25,811 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:25,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:26,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,011 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:26,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:26,012 INFO L85 PathProgramCache]: Analyzing trace with hash -699680590, now seen corresponding path program 2 times [2025-03-04 10:52:26,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:26,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12945835] [2025-03-04 10:52:26,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:26,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:26,022 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:26,022 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:26,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132141666] [2025-03-04 10:52:26,022 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:26,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:26,024 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:26,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-04 10:52:26,046 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-03-04 10:52:26,063 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 10:52:26,063 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:26,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:26,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 10:52:26,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:26,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:26,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12945835] [2025-03-04 10:52:26,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:26,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132141666] [2025-03-04 10:52:26,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132141666] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:26,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:26,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:26,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061977920] [2025-03-04 10:52:26,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:26,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:26,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:26,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:26,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:26,615 INFO L87 Difference]: Start difference. First operand 3115 states and 4016 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:28,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:28,330 INFO L93 Difference]: Finished difference Result 3224 states and 4129 transitions. [2025-03-04 10:52:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-04 10:52:28,331 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2025-03-04 10:52:28,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:28,333 INFO L225 Difference]: With dead ends: 3224 [2025-03-04 10:52:28,333 INFO L226 Difference]: Without dead ends: 3222 [2025-03-04 10:52:28,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=463, Invalid=2087, Unknown=0, NotChecked=0, Total=2550 [2025-03-04 10:52:28,334 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 498 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:28,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 774 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:52:28,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2025-03-04 10:52:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3146. [2025-03-04 10:52:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 3038 states have (on average 1.2847267939433837) internal successors, (3903), 3068 states have internal predecessors, (3903), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4045 transitions. [2025-03-04 10:52:28,449 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4045 transitions. Word has length 97 [2025-03-04 10:52:28,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:28,449 INFO L471 AbstractCegarLoop]: Abstraction has 3146 states and 4045 transitions. [2025-03-04 10:52:28,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4045 transitions. [2025-03-04 10:52:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 10:52:28,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:28,450 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:28,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-03-04 10:52:28,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2025-03-04 10:52:28,650 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:28,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:28,651 INFO L85 PathProgramCache]: Analyzing trace with hash 887675379, now seen corresponding path program 2 times [2025-03-04 10:52:28,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:28,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680450836] [2025-03-04 10:52:28,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:28,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:28,654 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:28,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:28,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:28,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910597840] [2025-03-04 10:52:28,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:28,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:28,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:28,662 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:28,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-04 10:52:28,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-03-04 10:52:28,699 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 10:52:28,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:28,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:28,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:52:28,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:28,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:29,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:29,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680450836] [2025-03-04 10:52:29,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:29,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910597840] [2025-03-04 10:52:29,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910597840] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:29,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:29,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:52:29,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788375394] [2025-03-04 10:52:29,044 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:29,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:52:29,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:29,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:52:29,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:29,045 INFO L87 Difference]: Start difference. First operand 3146 states and 4045 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:29,658 INFO L93 Difference]: Finished difference Result 3345 states and 4284 transitions. [2025-03-04 10:52:29,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:29,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2025-03-04 10:52:29,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:29,661 INFO L225 Difference]: With dead ends: 3345 [2025-03-04 10:52:29,661 INFO L226 Difference]: Without dead ends: 3343 [2025-03-04 10:52:29,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2025-03-04 10:52:29,662 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 352 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:29,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1015 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:52:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2025-03-04 10:52:29,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3178. [2025-03-04 10:52:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3070 states have (on average 1.280456026058632) internal successors, (3931), 3100 states have internal predecessors, (3931), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4073 transitions. [2025-03-04 10:52:29,778 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4073 transitions. Word has length 100 [2025-03-04 10:52:29,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:29,778 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4073 transitions. [2025-03-04 10:52:29,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4073 transitions. [2025-03-04 10:52:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:52:29,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:29,779 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:29,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-03-04 10:52:29,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2025-03-04 10:52:29,980 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:29,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:29,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1673068974, now seen corresponding path program 1 times [2025-03-04 10:52:29,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:29,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106294668] [2025-03-04 10:52:29,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:29,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:29,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:29,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:29,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:30,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:30,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106294668] [2025-03-04 10:52:30,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106294668] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:30,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751396053] [2025-03-04 10:52:30,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:30,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:30,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:30,029 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:30,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-04 10:52:30,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:52:30,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:52:30,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:30,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:30,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:30,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:30,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:30,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751396053] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:30,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:30,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 10:52:30,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650142026] [2025-03-04 10:52:30,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:30,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:52:30,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:30,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:52:30,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:30,243 INFO L87 Difference]: Start difference. First operand 3178 states and 4073 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:30,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:30,689 INFO L93 Difference]: Finished difference Result 3684 states and 4674 transitions. [2025-03-04 10:52:30,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:52:30,690 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 101 [2025-03-04 10:52:30,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:30,693 INFO L225 Difference]: With dead ends: 3684 [2025-03-04 10:52:30,694 INFO L226 Difference]: Without dead ends: 3682 [2025-03-04 10:52:30,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:52:30,695 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 335 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:30,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 770 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2025-03-04 10:52:30,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3178. [2025-03-04 10:52:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3070 states have (on average 1.2677524429967426) internal successors, (3892), 3100 states have internal predecessors, (3892), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4034 transitions. [2025-03-04 10:52:30,872 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4034 transitions. Word has length 101 [2025-03-04 10:52:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:30,872 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4034 transitions. [2025-03-04 10:52:30,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4034 transitions. [2025-03-04 10:52:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 10:52:30,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:30,873 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:30,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2025-03-04 10:52:31,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2025-03-04 10:52:31,074 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash -697610104, now seen corresponding path program 1 times [2025-03-04 10:52:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150931137] [2025-03-04 10:52:31,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:31,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:31,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:31,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:31,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426029520] [2025-03-04 10:52:31,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:31,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:31,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:31,086 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:31,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-04 10:52:31,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 10:52:31,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 10:52:31,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:31,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:31,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 10:52:31,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 10:52:31,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-04 10:52:31,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:31,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150931137] [2025-03-04 10:52:31,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:31,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426029520] [2025-03-04 10:52:31,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426029520] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:31,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:31,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-03-04 10:52:31,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819405433] [2025-03-04 10:52:31,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:31,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:31,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:31,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:31,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-03-04 10:52:31,699 INFO L87 Difference]: Start difference. First operand 3178 states and 4034 transitions. Second operand has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:32,976 INFO L93 Difference]: Finished difference Result 3226 states and 4091 transitions. [2025-03-04 10:52:32,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-04 10:52:32,976 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 104 [2025-03-04 10:52:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:32,979 INFO L225 Difference]: With dead ends: 3226 [2025-03-04 10:52:32,979 INFO L226 Difference]: Without dead ends: 3224 [2025-03-04 10:52:32,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-03-04 10:52:32,980 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 327 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:32,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 309 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 10:52:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3224 states. [2025-03-04 10:52:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3224 to 3179. [2025-03-04 10:52:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3072 states have (on average 1.2467447916666667) internal successors, (3830), 3101 states have internal predecessors, (3830), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 3972 transitions. [2025-03-04 10:52:33,107 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 3972 transitions. Word has length 104 [2025-03-04 10:52:33,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:33,107 INFO L471 AbstractCegarLoop]: Abstraction has 3179 states and 3972 transitions. [2025-03-04 10:52:33,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:33,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3972 transitions. [2025-03-04 10:52:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-04 10:52:33,108 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:33,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:33,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:33,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2025-03-04 10:52:33,309 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:33,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:33,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2084248993, now seen corresponding path program 1 times [2025-03-04 10:52:33,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:33,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560188423] [2025-03-04 10:52:33,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:33,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:33,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:33,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:33,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560188423] [2025-03-04 10:52:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560188423] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:33,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757151427] [2025-03-04 10:52:33,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:33,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:33,486 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:33,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-04 10:52:33,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-04 10:52:33,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-04 10:52:33,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:33,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:33,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:33,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:33,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:34,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757151427] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:34,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:34,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2025-03-04 10:52:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811322574] [2025-03-04 10:52:34,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:34,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:34,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:34,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:34,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:34,131 INFO L87 Difference]: Start difference. First operand 3179 states and 3972 transitions. Second operand has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:35,127 INFO L93 Difference]: Finished difference Result 3214 states and 4004 transitions. [2025-03-04 10:52:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:52:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Word has length 112 [2025-03-04 10:52:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:35,130 INFO L225 Difference]: With dead ends: 3214 [2025-03-04 10:52:35,130 INFO L226 Difference]: Without dead ends: 3163 [2025-03-04 10:52:35,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2025-03-04 10:52:35,130 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 109 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:35,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 927 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2025-03-04 10:52:35,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3161. [2025-03-04 10:52:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 3054 states have (on average 1.246234446627374) internal successors, (3806), 3083 states have internal predecessors, (3806), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 3948 transitions. [2025-03-04 10:52:35,252 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 3948 transitions. Word has length 112 [2025-03-04 10:52:35,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:35,252 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 3948 transitions. [2025-03-04 10:52:35,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.73076923076923) internal successors, (279), 26 states have internal predecessors, (279), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 10:52:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3948 transitions. [2025-03-04 10:52:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-04 10:52:35,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:35,253 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:35,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2025-03-04 10:52:35,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2025-03-04 10:52:35,453 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:35,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2112968708, now seen corresponding path program 1 times [2025-03-04 10:52:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:35,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487442883] [2025-03-04 10:52:35,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:35,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:35,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:35,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:35,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1252670859] [2025-03-04 10:52:35,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:35,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:35,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:35,466 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:35,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-03-04 10:52:35,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:52:35,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:52:35,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:35,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:35,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-04 10:52:35,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 3 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 10:52:36,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:37,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487442883] [2025-03-04 10:52:37,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252670859] [2025-03-04 10:52:37,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252670859] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:37,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:52:37,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-03-04 10:52:37,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339673874] [2025-03-04 10:52:37,186 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:37,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 10:52:37,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:37,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 10:52:37,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:37,187 INFO L87 Difference]: Start difference. First operand 3161 states and 3948 transitions. Second operand has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:37,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:37,901 INFO L93 Difference]: Finished difference Result 3162 states and 3948 transitions. [2025-03-04 10:52:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:52:37,902 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 116 [2025-03-04 10:52:37,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:37,904 INFO L225 Difference]: With dead ends: 3162 [2025-03-04 10:52:37,904 INFO L226 Difference]: Without dead ends: 3161 [2025-03-04 10:52:37,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2025-03-04 10:52:37,905 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:37,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 916 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2025-03-04 10:52:38,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 3161. [2025-03-04 10:52:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 3054 states have (on average 1.2459070072036673) internal successors, (3805), 3083 states have internal predecessors, (3805), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 3947 transitions. [2025-03-04 10:52:38,027 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 3947 transitions. Word has length 116 [2025-03-04 10:52:38,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:38,027 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 3947 transitions. [2025-03-04 10:52:38,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-04 10:52:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3947 transitions. [2025-03-04 10:52:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 10:52:38,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:38,028 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:38,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:38,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2025-03-04 10:52:38,229 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:38,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:38,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1235479943, now seen corresponding path program 1 times [2025-03-04 10:52:38,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:38,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837521522] [2025-03-04 10:52:38,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:38,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:38,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:38,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:38,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:38,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:38,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837521522] [2025-03-04 10:52:38,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837521522] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:38,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022521456] [2025-03-04 10:52:38,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:38,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:38,345 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:38,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-03-04 10:52:38,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:52:38,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:52:38,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:38,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:38,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:52:38,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:38,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:38,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022521456] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:38,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:38,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-03-04 10:52:38,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432853714] [2025-03-04 10:52:38,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:38,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 10:52:38,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:38,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 10:52:38,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2025-03-04 10:52:38,915 INFO L87 Difference]: Start difference. First operand 3161 states and 3947 transitions. Second operand has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:39,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:39,479 INFO L93 Difference]: Finished difference Result 3198 states and 3983 transitions. [2025-03-04 10:52:39,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-04 10:52:39,479 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 117 [2025-03-04 10:52:39,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:39,482 INFO L225 Difference]: With dead ends: 3198 [2025-03-04 10:52:39,482 INFO L226 Difference]: Without dead ends: 3149 [2025-03-04 10:52:39,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:52:39,482 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 118 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:39,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 785 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:52:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2025-03-04 10:52:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2025-03-04 10:52:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3042 states have (on average 1.244575936883629) internal successors, (3786), 3071 states have internal predecessors, (3786), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-03-04 10:52:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 3928 transitions. [2025-03-04 10:52:39,603 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 3928 transitions. Word has length 117 [2025-03-04 10:52:39,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:39,603 INFO L471 AbstractCegarLoop]: Abstraction has 3149 states and 3928 transitions. [2025-03-04 10:52:39,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.91304347826087) internal successors, (251), 23 states have internal predecessors, (251), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-04 10:52:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3928 transitions. [2025-03-04 10:52:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 10:52:39,603 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:39,603 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:39,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2025-03-04 10:52:39,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,805 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:39,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:39,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1842146946, now seen corresponding path program 1 times [2025-03-04 10:52:39,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:39,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580873496] [2025-03-04 10:52:39,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:39,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:39,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:39,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:39,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295260962] [2025-03-04 10:52:39,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:39,820 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:39,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2025-03-04 10:52:39,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 10:52:39,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 10:52:39,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:39,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:39,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-04 10:52:39,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:40,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:40,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:40,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580873496] [2025-03-04 10:52:40,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:40,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295260962] [2025-03-04 10:52:40,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295260962] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:40,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:40,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:40,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224135191] [2025-03-04 10:52:40,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:40,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:40,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:40,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:40,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:40,557 INFO L87 Difference]: Start difference. First operand 3149 states and 3928 transitions. Second operand has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:42,247 INFO L93 Difference]: Finished difference Result 3240 states and 4021 transitions. [2025-03-04 10:52:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:42,248 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 122 [2025-03-04 10:52:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:42,250 INFO L225 Difference]: With dead ends: 3240 [2025-03-04 10:52:42,250 INFO L226 Difference]: Without dead ends: 3238 [2025-03-04 10:52:42,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=1458, Unknown=0, NotChecked=0, Total=1722 [2025-03-04 10:52:42,251 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 333 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:42,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1278 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-04 10:52:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2025-03-04 10:52:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3194. [2025-03-04 10:52:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3086 states have (on average 1.2427090084251458) internal successors, (3835), 3115 states have internal predecessors, (3835), 72 states have call successors, (72), 6 states have call predecessors, (72), 6 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-03-04 10:52:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 3979 transitions. [2025-03-04 10:52:42,431 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 3979 transitions. Word has length 122 [2025-03-04 10:52:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:42,431 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 3979 transitions. [2025-03-04 10:52:42,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.095238095238095) internal successors, (212), 22 states have internal predecessors, (212), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3979 transitions. [2025-03-04 10:52:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-04 10:52:42,432 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:42,432 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:42,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:42,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:42,632 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:42,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1423744396, now seen corresponding path program 2 times [2025-03-04 10:52:42,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:42,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150887798] [2025-03-04 10:52:42,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:42,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:42,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:42,646 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:42,646 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:42,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:42,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943396397] [2025-03-04 10:52:42,647 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:42,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:42,648 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:42,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2025-03-04 10:52:42,672 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-03-04 10:52:42,690 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 10:52:42,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:42,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:42,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:52:42,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:42,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:43,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:43,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150887798] [2025-03-04 10:52:43,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:43,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943396397] [2025-03-04 10:52:43,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943396397] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:43,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:43,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:52:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552951600] [2025-03-04 10:52:43,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:43,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:52:43,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:43,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:52:43,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:52:43,175 INFO L87 Difference]: Start difference. First operand 3194 states and 3979 transitions. Second operand has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:45,832 INFO L93 Difference]: Finished difference Result 4908 states and 6213 transitions. [2025-03-04 10:52:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-04 10:52:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 123 [2025-03-04 10:52:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:45,836 INFO L225 Difference]: With dead ends: 4908 [2025-03-04 10:52:45,836 INFO L226 Difference]: Without dead ends: 4906 [2025-03-04 10:52:45,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2025-03-04 10:52:45,837 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1128 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:45,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 789 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 10:52:45,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4906 states. [2025-03-04 10:52:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4906 to 4427. [2025-03-04 10:52:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 4277 states have (on average 1.2522796352583587) internal successors, (5356), 4306 states have internal predecessors, (5356), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 5584 transitions. [2025-03-04 10:52:46,022 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 5584 transitions. Word has length 123 [2025-03-04 10:52:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:46,022 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 5584 transitions. [2025-03-04 10:52:46,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 5584 transitions. [2025-03-04 10:52:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 10:52:46,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:46,023 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:46,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:46,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:46,224 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash 761364398, now seen corresponding path program 1 times [2025-03-04 10:52:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253968186] [2025-03-04 10:52:46,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:46,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:46,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:46,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:46,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:46,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:46,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007095236] [2025-03-04 10:52:46,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:46,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:46,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:46,235 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:46,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2025-03-04 10:52:46,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:52:46,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:52:46,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:46,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:46,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:52:46,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-04 10:52:46,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:46,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253968186] [2025-03-04 10:52:46,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007095236] [2025-03-04 10:52:46,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007095236] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:46,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:46,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 10:52:46,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456418129] [2025-03-04 10:52:46,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:46,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:46,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:46,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:46,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:46,572 INFO L87 Difference]: Start difference. First operand 4427 states and 5584 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:47,254 INFO L93 Difference]: Finished difference Result 4477 states and 5630 transitions. [2025-03-04 10:52:47,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:47,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2025-03-04 10:52:47,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:47,258 INFO L225 Difference]: With dead ends: 4477 [2025-03-04 10:52:47,258 INFO L226 Difference]: Without dead ends: 4474 [2025-03-04 10:52:47,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:52:47,259 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 172 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:47,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 186 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2025-03-04 10:52:47,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4453. [2025-03-04 10:52:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 4303 states have (on average 1.2516848710202184) internal successors, (5386), 4332 states have internal predecessors, (5386), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 5614 transitions. [2025-03-04 10:52:47,451 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 5614 transitions. Word has length 124 [2025-03-04 10:52:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:47,451 INFO L471 AbstractCegarLoop]: Abstraction has 4453 states and 5614 transitions. [2025-03-04 10:52:47,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 5614 transitions. [2025-03-04 10:52:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 10:52:47,452 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:47,452 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:47,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:47,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2025-03-04 10:52:47,652 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:47,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:47,653 INFO L85 PathProgramCache]: Analyzing trace with hash 84470716, now seen corresponding path program 1 times [2025-03-04 10:52:47,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:47,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085633286] [2025-03-04 10:52:47,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:47,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:47,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:52:47,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:52:47,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:47,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-04 10:52:47,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:47,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085633286] [2025-03-04 10:52:47,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085633286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:47,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:47,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 10:52:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501922850] [2025-03-04 10:52:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:47,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:52:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:47,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:52:47,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:52:47,725 INFO L87 Difference]: Start difference. First operand 4453 states and 5614 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:48,115 INFO L93 Difference]: Finished difference Result 4475 states and 5627 transitions. [2025-03-04 10:52:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:52:48,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 127 [2025-03-04 10:52:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:48,119 INFO L225 Difference]: With dead ends: 4475 [2025-03-04 10:52:48,119 INFO L226 Difference]: Without dead ends: 4453 [2025-03-04 10:52:48,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:48,119 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:48,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 278 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:52:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2025-03-04 10:52:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 4442. [2025-03-04 10:52:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4292 states have (on average 1.2520969245107176) internal successors, (5374), 4321 states have internal predecessors, (5374), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 5602 transitions. [2025-03-04 10:52:48,296 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 5602 transitions. Word has length 127 [2025-03-04 10:52:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:48,297 INFO L471 AbstractCegarLoop]: Abstraction has 4442 states and 5602 transitions. [2025-03-04 10:52:48,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 10:52:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 5602 transitions. [2025-03-04 10:52:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 10:52:48,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:48,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:48,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-03-04 10:52:48,297 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:48,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash -436197114, now seen corresponding path program 2 times [2025-03-04 10:52:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681513856] [2025-03-04 10:52:48,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:48,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:48,307 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:48,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:48,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:48,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448625310] [2025-03-04 10:52:48,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:48,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:48,309 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:48,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2025-03-04 10:52:48,329 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-04 10:52:48,349 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:52:48,349 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:48,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:48,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-04 10:52:48,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:48,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:49,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:49,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681513856] [2025-03-04 10:52:49,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:49,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448625310] [2025-03-04 10:52:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448625310] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:49,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-04 10:52:49,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436822893] [2025-03-04 10:52:49,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:49,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-04 10:52:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:49,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-04 10:52:49,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:52:49,143 INFO L87 Difference]: Start difference. First operand 4442 states and 5602 transitions. Second operand has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:53,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:53,064 INFO L93 Difference]: Finished difference Result 4520 states and 5684 transitions. [2025-03-04 10:52:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:52:53,064 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 129 [2025-03-04 10:52:53,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:53,069 INFO L225 Difference]: With dead ends: 4520 [2025-03-04 10:52:53,069 INFO L226 Difference]: Without dead ends: 4502 [2025-03-04 10:52:53,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2025-03-04 10:52:53,071 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1192 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:53,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 588 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-04 10:52:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2025-03-04 10:52:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4442. [2025-03-04 10:52:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 4292 states have (on average 1.2509319664492078) internal successors, (5369), 4321 states have internal predecessors, (5369), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 5597 transitions. [2025-03-04 10:52:53,258 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 5597 transitions. Word has length 129 [2025-03-04 10:52:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:53,258 INFO L471 AbstractCegarLoop]: Abstraction has 4442 states and 5597 transitions. [2025-03-04 10:52:53,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 5597 transitions. [2025-03-04 10:52:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-04 10:52:53,259 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:53,259 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:53,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2025-03-04 10:52:53,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2025-03-04 10:52:53,460 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:53,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1018657930, now seen corresponding path program 1 times [2025-03-04 10:52:53,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:53,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218770723] [2025-03-04 10:52:53,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:53,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:53,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:53,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:53,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:53,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1202226632] [2025-03-04 10:52:53,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:53,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:53,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:53,472 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:53,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2025-03-04 10:52:53,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-04 10:52:53,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-04 10:52:53,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:53,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:53,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 10:52:53,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:54,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:54,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:54,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218770723] [2025-03-04 10:52:54,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:54,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202226632] [2025-03-04 10:52:54,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202226632] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:54,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:52:54,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2025-03-04 10:52:54,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626697690] [2025-03-04 10:52:54,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:54,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-04 10:52:54,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:54,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-04 10:52:54,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2025-03-04 10:52:54,376 INFO L87 Difference]: Start difference. First operand 4442 states and 5597 transitions. Second operand has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:56,871 INFO L93 Difference]: Finished difference Result 4498 states and 5651 transitions. [2025-03-04 10:52:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-04 10:52:56,871 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 130 [2025-03-04 10:52:56,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:56,875 INFO L225 Difference]: With dead ends: 4498 [2025-03-04 10:52:56,875 INFO L226 Difference]: Without dead ends: 4497 [2025-03-04 10:52:56,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=479, Invalid=2383, Unknown=0, NotChecked=0, Total=2862 [2025-03-04 10:52:56,876 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 557 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 2323 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:56,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 789 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2323 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 10:52:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2025-03-04 10:52:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 4456. [2025-03-04 10:52:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4456 states, 4306 states have (on average 1.250348351137947) internal successors, (5384), 4335 states have internal predecessors, (5384), 114 states have call successors, (114), 6 states have call predecessors, (114), 6 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-03-04 10:52:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5612 transitions. [2025-03-04 10:52:57,066 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5612 transitions. Word has length 130 [2025-03-04 10:52:57,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:57,066 INFO L471 AbstractCegarLoop]: Abstraction has 4456 states and 5612 transitions. [2025-03-04 10:52:57,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.28) internal successors, (232), 26 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 10:52:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5612 transitions. [2025-03-04 10:52:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 10:52:57,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:57,067 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:57,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2025-03-04 10:52:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:57,268 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:57,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2040034363, now seen corresponding path program 2 times [2025-03-04 10:52:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:57,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170680439] [2025-03-04 10:52:57,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:57,271 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-03-04 10:52:57,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:57,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:57,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:57,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:57,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170680439] [2025-03-04 10:52:57,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170680439] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:52:57,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435928812] [2025-03-04 10:52:57,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:52:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:57,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:57,323 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:57,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2025-03-04 10:52:57,348 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-03-04 10:52:57,369 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:57,369 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:52:57,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:57,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:57,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:57,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:52:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:57,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435928812] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:52:57,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:52:57,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-04 10:52:57,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941680375] [2025-03-04 10:52:57,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:52:57,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:52:57,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:57,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:52:57,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:52:57,574 INFO L87 Difference]: Start difference. First operand 4456 states and 5612 transitions. Second operand has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:57,917 INFO L93 Difference]: Finished difference Result 5016 states and 6338 transitions. [2025-03-04 10:52:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:52:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 131 [2025-03-04 10:52:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:57,921 INFO L225 Difference]: With dead ends: 5016 [2025-03-04 10:52:57,921 INFO L226 Difference]: Without dead ends: 3910 [2025-03-04 10:52:57,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:52:57,923 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 79 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:57,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 502 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:52:57,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2025-03-04 10:52:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3896. [2025-03-04 10:52:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 3761 states have (on average 1.2517947354427015) internal successors, (4708), 3790 states have internal predecessors, (4708), 99 states have call successors, (99), 6 states have call predecessors, (99), 6 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2025-03-04 10:52:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 4906 transitions. [2025-03-04 10:52:58,091 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 4906 transitions. Word has length 131 [2025-03-04 10:52:58,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:58,092 INFO L471 AbstractCegarLoop]: Abstraction has 3896 states and 4906 transitions. [2025-03-04 10:52:58,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-04 10:52:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4906 transitions. [2025-03-04 10:52:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-04 10:52:58,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:58,092 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:58,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2025-03-04 10:52:58,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:58,293 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-04 10:52:58,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1513624774, now seen corresponding path program 1 times [2025-03-04 10:52:58,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:58,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224673185] [2025-03-04 10:52:58,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:58,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 10:52:58,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:58,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:58,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:58,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746281826] [2025-03-04 10:52:58,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:58,307 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:52:58,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2025-03-04 10:52:58,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-04 10:52:58,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-04 10:52:58,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:58,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:58,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-04 10:52:58,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:59,096 INFO L312 TraceCheckSpWp]: Computing backward predicates...