./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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_unwindbound20.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 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:06:51,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:06:51,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:06:51,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:06:51,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:06:51,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:06:51,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:06:51,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:06:51,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:06:51,736 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:06:51,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:06:51,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:06:51,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:06:51,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:06:51,737 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:06:51,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:06:51,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:06:51,737 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:06:51,738 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:06:51,738 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:06:51,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:06:51,739 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:06:51,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:06:51,740 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 -> 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a [2025-03-17 15:06:51,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:06:51,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:06:51,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:06:51,959 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:06:51,959 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:06:51,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2025-03-17 15:06:53,076 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c93eccd6/bb9ca00d1864425d89c10d04acfe5868/FLAG761ac6ec3 [2025-03-17 15:06:53,249 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:06:53,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2025-03-17 15:06:53,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c93eccd6/bb9ca00d1864425d89c10d04acfe5868/FLAG761ac6ec3 [2025-03-17 15:06:53,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c93eccd6/bb9ca00d1864425d89c10d04acfe5868 [2025-03-17 15:06:53,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:06:53,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:06:53,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:06:53,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:06:53,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:06:53,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53, skipping insertion in model container [2025-03-17 15:06:53,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:06:53,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:06:53,767 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:06:53,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:06:53,790 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:06:53,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53 WrapperNode [2025-03-17 15:06:53,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:06:53,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:06:53,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:06:53,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:06:53,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,821 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2025-03-17 15:06:53,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:06:53,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:06:53,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:06:53,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:06:53,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,846 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]. [2025-03-17 15:06:53,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:06:53,860 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:06:53,860 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:06:53,860 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:06:53,860 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (1/1) ... [2025-03-17 15:06:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:06:53,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:53,887 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) [2025-03-17 15:06:53,891 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 [2025-03-17 15:06:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:06:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:06:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:06:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:06:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:06:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:06:53,953 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:06:53,954 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:06:54,291 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-03-17 15:06:54,293 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:06:54,302 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:06:54,303 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:06:54,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:06:54 BoogieIcfgContainer [2025-03-17 15:06:54,304 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:06:54,306 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:06:54,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:06:54,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:06:54,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:06:53" (1/3) ... [2025-03-17 15:06:54,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a79f768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:06:54, skipping insertion in model container [2025-03-17 15:06:54,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:06:53" (2/3) ... [2025-03-17 15:06:54,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a79f768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:06:54, skipping insertion in model container [2025-03-17 15:06:54,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:06:54" (3/3) ... [2025-03-17 15:06:54,312 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound20.c [2025-03-17 15:06:54,323 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:06:54,324 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound20.c that has 2 procedures, 135 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-03-17 15:06:54,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:06:54,377 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;@6dc3b9f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:06:54,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-17 15:06:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 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) [2025-03-17 15:06:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-17 15:06:54,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:54,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-17 15:06:54,385 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)] === [2025-03-17 15:06:54,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:54,390 INFO L85 PathProgramCache]: Analyzing trace with hash 5184, now seen corresponding path program 1 times [2025-03-17 15:06:54,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499676369] [2025-03-17 15:06:54,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:54,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 15:06:54,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 15:06:54,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:54,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:54,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:54,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499676369] [2025-03-17 15:06:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499676369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:54,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:06:54,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798863805] [2025-03-17 15:06:54,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:54,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:54,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:54,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:54,517 INFO L87 Difference]: Start difference. First operand has 135 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 131 states have internal predecessors, (136), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2025-03-17 15:06:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:54,658 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions. [2025-03-17 15:06:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:54,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2025-03-17 15:06:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:54,665 INFO L225 Difference]: With dead ends: 258 [2025-03-17 15:06:54,665 INFO L226 Difference]: Without dead ends: 127 [2025-03-17 15:06:54,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:54,668 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 80 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 [2025-03-17 15:06:54,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 80 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:54,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-03-17 15:06:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-03-17 15:06:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 124 states have internal predecessors, (127), 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) [2025-03-17 15:06:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2025-03-17 15:06:54,698 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 2 [2025-03-17 15:06:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:54,698 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2025-03-17 15:06:54,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2025-03-17 15:06:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2025-03-17 15:06:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 15:06:54,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:54,698 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 15:06:54,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:06:54,699 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)] === [2025-03-17 15:06:54,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash 160802, now seen corresponding path program 1 times [2025-03-17 15:06:54,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:54,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55550150] [2025-03-17 15:06:54,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:54,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 15:06:54,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 15:06:54,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:54,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:54,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:54,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55550150] [2025-03-17 15:06:54,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55550150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:54,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:54,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:06:54,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634522497] [2025-03-17 15:06:54,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:54,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:54,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:54,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:54,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:54,729 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2025-03-17 15:06:54,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:54,830 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2025-03-17 15:06:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:54,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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 [2025-03-17 15:06:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:54,831 INFO L225 Difference]: With dead ends: 127 [2025-03-17 15:06:54,831 INFO L226 Difference]: Without dead ends: 123 [2025-03-17 15:06:54,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:54,832 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 74 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 [2025-03-17 15:06:54,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 74 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-17 15:06:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-17 15:06:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.7826086956521738) 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) [2025-03-17 15:06:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2025-03-17 15:06:54,840 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 3 [2025-03-17 15:06:54,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:54,841 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2025-03-17 15:06:54,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2025-03-17 15:06:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2025-03-17 15:06:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:06:54,842 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:54,842 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:06:54,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:06:54,842 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)] === [2025-03-17 15:06:54,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash 4984958, now seen corresponding path program 1 times [2025-03-17 15:06:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:54,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621232823] [2025-03-17 15:06:54,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:54,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:06:54,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:06:54,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:54,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:54,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621232823] [2025-03-17 15:06:54,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621232823] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:54,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:54,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:06:54,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163656214] [2025-03-17 15:06:54,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:54,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:54,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:54,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:54,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:54,882 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-03-17 15:06:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:55,024 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2025-03-17 15:06:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:55,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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 [2025-03-17 15:06:55,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:55,026 INFO L225 Difference]: With dead ends: 123 [2025-03-17 15:06:55,026 INFO L226 Difference]: Without dead ends: 122 [2025-03-17 15:06:55,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,027 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 87 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 60 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 [2025-03-17 15:06:55,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 60 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-17 15:06:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-03-17 15:06:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7681159420289856) 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) [2025-03-17 15:06:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2025-03-17 15:06:55,038 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 4 [2025-03-17 15:06:55,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:55,038 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2025-03-17 15:06:55,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-03-17 15:06:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2025-03-17 15:06:55,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:06:55,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:55,038 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:06:55,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:06:55,039 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)] === [2025-03-17 15:06:55,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:55,039 INFO L85 PathProgramCache]: Analyzing trace with hash 154533792, now seen corresponding path program 1 times [2025-03-17 15:06:55,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:55,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738692273] [2025-03-17 15:06:55,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:55,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:06:55,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:06:55,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:55,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:55,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738692273] [2025-03-17 15:06:55,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738692273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:55,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:55,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:06:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625350959] [2025-03-17 15:06:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:55,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:55,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:55,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:55,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,087 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2025-03-17 15:06:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:55,194 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-03-17 15:06:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2025-03-17 15:06:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:55,195 INFO L225 Difference]: With dead ends: 122 [2025-03-17 15:06:55,195 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 15:06:55,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,196 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 60 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 [2025-03-17 15:06:55,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 60 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 15:06:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-03-17 15:06:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 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) [2025-03-17 15:06:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2025-03-17 15:06:55,201 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 5 [2025-03-17 15:06:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:55,201 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2025-03-17 15:06:55,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2025-03-17 15:06:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2025-03-17 15:06:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 15:06:55,202 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:55,202 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:55,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:06:55,202 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)] === [2025-03-17 15:06:55,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1816878306, now seen corresponding path program 1 times [2025-03-17 15:06:55,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:55,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293372133] [2025-03-17 15:06:55,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:55,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 15:06:55,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 15:06:55,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:55,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293372133] [2025-03-17 15:06:55,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293372133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:55,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:55,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:06:55,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916494814] [2025-03-17 15:06:55,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:55,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:06:55,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:55,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:06:55,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:06:55,254 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:06:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:55,287 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2025-03-17 15:06:55,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:06:55,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 15:06:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:55,289 INFO L225 Difference]: With dead ends: 169 [2025-03-17 15:06:55,289 INFO L226 Difference]: Without dead ends: 125 [2025-03-17 15:06:55,290 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 [2025-03-17 15:06:55,290 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 349 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 [2025-03-17 15:06:55,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 349 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:06:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-03-17 15:06:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-03-17 15:06:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 122 states have internal predecessors, (125), 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) [2025-03-17 15:06:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2025-03-17 15:06:55,300 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 7 [2025-03-17 15:06:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:55,300 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2025-03-17 15:06:55,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:06:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2025-03-17 15:06:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-17 15:06:55,301 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:55,301 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:55,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:06:55,301 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)] === [2025-03-17 15:06:55,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:55,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1443662536, now seen corresponding path program 1 times [2025-03-17 15:06:55,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:55,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435897457] [2025-03-17 15:06:55,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:55,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 15:06:55,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 15:06:55,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:55,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615958548] [2025-03-17 15:06:55,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:55,314 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) [2025-03-17 15:06:55,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:06:55,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 15:06:55,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 15:06:55,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:55,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:06:55,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:55,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435897457] [2025-03-17 15:06:55,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:55,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615958548] [2025-03-17 15:06:55,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615958548] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:55,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:55,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:06:55,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484177243] [2025-03-17 15:06:55,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:55,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:55,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:55,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:55,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,360 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-03-17 15:06:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:55,433 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2025-03-17 15:06:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:55,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2025-03-17 15:06:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:55,435 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:06:55,435 INFO L226 Difference]: Without dead ends: 187 [2025-03-17 15:06:55,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,435 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 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 [2025-03-17 15:06:55,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:55,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-03-17 15:06:55,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2025-03-17 15:06:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 96 states have (on average 1.6979166666666667) internal successors, (163), 145 states have internal predecessors, (163), 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) [2025-03-17 15:06:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2025-03-17 15:06:55,441 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 10 [2025-03-17 15:06:55,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:55,441 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2025-03-17 15:06:55,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-03-17 15:06:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2025-03-17 15:06:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 15:06:55,442 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:55,442 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:55,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:55,642 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 [2025-03-17 15:06:55,643 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)] === [2025-03-17 15:06:55,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash -85257866, now seen corresponding path program 1 times [2025-03-17 15:06:55,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:55,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752598356] [2025-03-17 15:06:55,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:55,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 15:06:55,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 15:06:55,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:55,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501355105] [2025-03-17 15:06:55,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:55,700 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) [2025-03-17 15:06:55,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:06:55,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 15:06:55,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 15:06:55,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:55,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:06:55,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:55,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:55,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:55,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752598356] [2025-03-17 15:06:55,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:55,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501355105] [2025-03-17 15:06:55,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501355105] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:55,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:55,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:06:55,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787622264] [2025-03-17 15:06:55,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:55,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:06:55,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:55,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:06:55,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,737 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-03-17 15:06:55,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:55,777 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2025-03-17 15:06:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:06:55,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2025-03-17 15:06:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:55,778 INFO L225 Difference]: With dead ends: 255 [2025-03-17 15:06:55,778 INFO L226 Difference]: Without dead ends: 249 [2025-03-17 15:06:55,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:06:55,779 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 217 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 [2025-03-17 15:06:55,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:06:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-03-17 15:06:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2025-03-17 15:06:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 147 states have (on average 1.6938775510204083) internal successors, (249), 196 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) [2025-03-17 15:06:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2025-03-17 15:06:55,786 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 12 [2025-03-17 15:06:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:55,790 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2025-03-17 15:06:55,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-03-17 15:06:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2025-03-17 15:06:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 15:06:55,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:55,791 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:55,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:55,991 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 [2025-03-17 15:06:55,992 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)] === [2025-03-17 15:06:55,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash -328428108, now seen corresponding path program 1 times [2025-03-17 15:06:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:55,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035521998] [2025-03-17 15:06:55,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:55,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:06:55,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:06:55,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:55,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:55,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786423063] [2025-03-17 15:06:55,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:55,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:55,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:56,002 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) [2025-03-17 15:06:56,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:06:56,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:06:56,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:06:56,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:56,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:56,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:06:56,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:56,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:56,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:56,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035521998] [2025-03-17 15:06:56,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:56,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786423063] [2025-03-17 15:06:56,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786423063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:56,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:56,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:06:56,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3650868] [2025-03-17 15:06:56,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:56,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:06:56,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:56,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:06:56,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:06:56,075 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-03-17 15:06:56,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:56,202 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2025-03-17 15:06:56,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:06:56,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2025-03-17 15:06:56,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:56,204 INFO L225 Difference]: With dead ends: 293 [2025-03-17 15:06:56,204 INFO L226 Difference]: Without dead ends: 291 [2025-03-17 15:06:56,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:06:56,205 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 238 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 [2025-03-17 15:06:56,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:56,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-03-17 15:06:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 202. [2025-03-17 15:06:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 197 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) [2025-03-17 15:06:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2025-03-17 15:06:56,221 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 14 [2025-03-17 15:06:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:56,221 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2025-03-17 15:06:56,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-03-17 15:06:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2025-03-17 15:06:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-17 15:06:56,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:56,221 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:56,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:56,421 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 [2025-03-17 15:06:56,422 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)] === [2025-03-17 15:06:56,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:56,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1591336682, now seen corresponding path program 1 times [2025-03-17 15:06:56,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:56,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392670499] [2025-03-17 15:06:56,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:56,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 15:06:56,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 15:06:56,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:56,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365728825] [2025-03-17 15:06:56,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:56,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:56,437 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) [2025-03-17 15:06:56,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:06:56,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 15:06:56,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 15:06:56,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:56,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:56,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:06:56,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:56,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:56,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:56,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392670499] [2025-03-17 15:06:56,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:56,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365728825] [2025-03-17 15:06:56,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365728825] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:56,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:56,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:06:56,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862784024] [2025-03-17 15:06:56,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:56,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:06:56,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:56,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:06:56,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:06:56,484 INFO L87 Difference]: Start difference. First operand 202 states and 255 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) [2025-03-17 15:06:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:56,631 INFO L93 Difference]: Finished difference Result 292 states and 354 transitions. [2025-03-17 15:06:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:06:56,632 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 [2025-03-17 15:06:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:56,633 INFO L225 Difference]: With dead ends: 292 [2025-03-17 15:06:56,633 INFO L226 Difference]: Without dead ends: 290 [2025-03-17 15:06:56,633 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 [2025-03-17 15:06:56,633 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 241 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 [2025-03-17 15:06:56,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-03-17 15:06:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 203. [2025-03-17 15:06:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 198 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) [2025-03-17 15:06:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2025-03-17 15:06:56,639 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 15 [2025-03-17 15:06:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:56,639 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2025-03-17 15:06:56,639 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) [2025-03-17 15:06:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2025-03-17 15:06:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-17 15:06:56,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:56,639 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:56,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:56,844 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 [2025-03-17 15:06:56,844 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)] === [2025-03-17 15:06:56,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2086796814, now seen corresponding path program 1 times [2025-03-17 15:06:56,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:56,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433616045] [2025-03-17 15:06:56,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:56,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:56,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:06:56,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:06:56,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:56,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:56,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008698059] [2025-03-17 15:06:56,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:56,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:56,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:56,853 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) [2025-03-17 15:06:56,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:06:56,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:06:56,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:06:56,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:56,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:56,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:06:56,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:56,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:56,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:56,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433616045] [2025-03-17 15:06:56,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:56,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008698059] [2025-03-17 15:06:56,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008698059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:56,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:56,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:06:56,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469841234] [2025-03-17 15:06:56,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:56,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:06:56,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:56,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:06:56,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:06:56,912 INFO L87 Difference]: Start difference. First operand 203 states and 255 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) [2025-03-17 15:06:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:57,020 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2025-03-17 15:06:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:06:57,021 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 [2025-03-17 15:06:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:57,021 INFO L225 Difference]: With dead ends: 278 [2025-03-17 15:06:57,021 INFO L226 Difference]: Without dead ends: 276 [2025-03-17 15:06:57,022 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 [2025-03-17 15:06:57,022 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 261 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 [2025-03-17 15:06:57,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:57,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-03-17 15:06:57,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 203. [2025-03-17 15:06:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.651006711409396) internal successors, (246), 198 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) [2025-03-17 15:06:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2025-03-17 15:06:57,029 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 16 [2025-03-17 15:06:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:57,029 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2025-03-17 15:06:57,029 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) [2025-03-17 15:06:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2025-03-17 15:06:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 15:06:57,029 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:57,029 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:57,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:57,230 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 [2025-03-17 15:06:57,230 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)] === [2025-03-17 15:06:57,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash -266191724, now seen corresponding path program 1 times [2025-03-17 15:06:57,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:57,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809791680] [2025-03-17 15:06:57,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:57,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 15:06:57,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 15:06:57,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:57,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:57,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258384283] [2025-03-17 15:06:57,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:57,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:57,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:57,240 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) [2025-03-17 15:06:57,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:06:57,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 15:06:57,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 15:06:57,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:57,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:57,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:06:57,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:57,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:57,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:57,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809791680] [2025-03-17 15:06:57,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:57,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258384283] [2025-03-17 15:06:57,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258384283] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:57,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:57,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:06:57,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949942748] [2025-03-17 15:06:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:57,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:06:57,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:57,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:06:57,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:06:57,283 INFO L87 Difference]: Start difference. First operand 203 states and 252 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) [2025-03-17 15:06:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:57,383 INFO L93 Difference]: Finished difference Result 276 states and 295 transitions. [2025-03-17 15:06:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:06:57,384 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 [2025-03-17 15:06:57,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:57,385 INFO L225 Difference]: With dead ends: 276 [2025-03-17 15:06:57,385 INFO L226 Difference]: Without dead ends: 274 [2025-03-17 15:06:57,385 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 [2025-03-17 15:06:57,385 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 263 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 [2025-03-17 15:06:57,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-03-17 15:06:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2025-03-17 15:06:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6308724832214765) internal successors, (243), 198 states have internal predecessors, (243), 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) [2025-03-17 15:06:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2025-03-17 15:06:57,393 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 17 [2025-03-17 15:06:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:57,393 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2025-03-17 15:06:57,393 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) [2025-03-17 15:06:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2025-03-17 15:06:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 15:06:57,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:57,394 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:57,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:57,597 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 [2025-03-17 15:06:57,597 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)] === [2025-03-17 15:06:57,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:57,597 INFO L85 PathProgramCache]: Analyzing trace with hash 337991216, now seen corresponding path program 1 times [2025-03-17 15:06:57,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:57,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660180477] [2025-03-17 15:06:57,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:57,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:57,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 15:06:57,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 15:06:57,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:57,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:57,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124167120] [2025-03-17 15:06:57,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:57,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:57,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:57,616 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) [2025-03-17 15:06:57,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:06:57,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 15:06:57,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 15:06:57,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:57,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:57,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:06:57,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:57,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:57,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:57,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660180477] [2025-03-17 15:06:57,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:57,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124167120] [2025-03-17 15:06:57,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124167120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:57,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:57,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:06:57,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489754091] [2025-03-17 15:06:57,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:57,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:06:57,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:57,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:06:57,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:06:57,712 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) [2025-03-17 15:06:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:57,900 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2025-03-17 15:06:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:06:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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 [2025-03-17 15:06:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:57,901 INFO L225 Difference]: With dead ends: 291 [2025-03-17 15:06:57,901 INFO L226 Difference]: Without dead ends: 289 [2025-03-17 15:06:57,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:06:57,902 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 216 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 278 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 [2025-03-17 15:06:57,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:06:57,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-03-17 15:06:57,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2025-03-17 15:06:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.611842105263158) internal successors, (245), 201 states have internal predecessors, (245), 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) [2025-03-17 15:06:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2025-03-17 15:06:57,925 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 18 [2025-03-17 15:06:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:57,925 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2025-03-17 15:06:57,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) [2025-03-17 15:06:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2025-03-17 15:06:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-17 15:06:57,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:57,925 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:57,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:58,125 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 [2025-03-17 15:06:58,126 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)] === [2025-03-17 15:06:58,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1887793170, now seen corresponding path program 1 times [2025-03-17 15:06:58,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609882729] [2025-03-17 15:06:58,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:58,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:06:58,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:06:58,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:58,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:58,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897478213] [2025-03-17 15:06:58,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:58,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:58,135 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) [2025-03-17 15:06:58,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:06:58,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:06:58,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:06:58,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:58,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:58,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:06:58,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:58,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:58,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609882729] [2025-03-17 15:06:58,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897478213] [2025-03-17 15:06:58,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897478213] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:58,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:58,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:06:58,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424030626] [2025-03-17 15:06:58,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:58,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:06:58,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:58,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:06:58,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:06:58,227 INFO L87 Difference]: Start difference. First operand 206 states and 251 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) [2025-03-17 15:06:58,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:58,400 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2025-03-17 15:06:58,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:06:58,400 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 [2025-03-17 15:06:58,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:58,401 INFO L225 Difference]: With dead ends: 290 [2025-03-17 15:06:58,401 INFO L226 Difference]: Without dead ends: 288 [2025-03-17 15:06:58,401 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 [2025-03-17 15:06:58,402 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 281 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 [2025-03-17 15:06:58,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:06:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-03-17 15:06:58,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 207. [2025-03-17 15:06:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 202 states have internal predecessors, (245), 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) [2025-03-17 15:06:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2025-03-17 15:06:58,410 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 19 [2025-03-17 15:06:58,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:58,410 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2025-03-17 15:06:58,411 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) [2025-03-17 15:06:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2025-03-17 15:06:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-17 15:06:58,411 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:58,411 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] [2025-03-17 15:06:58,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:58,611 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 [2025-03-17 15:06:58,612 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)] === [2025-03-17 15:06:58,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:58,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1607953810, now seen corresponding path program 1 times [2025-03-17 15:06:58,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:58,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708213121] [2025-03-17 15:06:58,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:58,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:58,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:06:58,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:06:58,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:58,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:58,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970689191] [2025-03-17 15:06:58,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:58,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:58,633 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) [2025-03-17 15:06:58,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:06:58,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:06:58,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:06:58,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:58,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:58,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:06:58,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:58,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:58,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:58,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708213121] [2025-03-17 15:06:58,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:58,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970689191] [2025-03-17 15:06:58,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970689191] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:58,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:58,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:06:58,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204999855] [2025-03-17 15:06:58,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:58,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:06:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:58,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:06:58,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:06:58,755 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.0) 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) [2025-03-17 15:06:58,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:58,985 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2025-03-17 15:06:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:06:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) 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 [2025-03-17 15:06:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:58,987 INFO L225 Difference]: With dead ends: 278 [2025-03-17 15:06:58,987 INFO L226 Difference]: Without dead ends: 276 [2025-03-17 15:06:58,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:06:58,987 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 371 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 199 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 [2025-03-17 15:06:58,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:06:58,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-03-17 15:06:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 208. [2025-03-17 15:06:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 203 states have internal predecessors, (245), 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) [2025-03-17 15:06:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2025-03-17 15:06:58,994 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 20 [2025-03-17 15:06:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:58,994 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2025-03-17 15:06:58,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) 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) [2025-03-17 15:06:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2025-03-17 15:06:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 15:06:58,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:58,995 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] [2025-03-17 15:06:59,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:06:59,195 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 [2025-03-17 15:06:59,195 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)] === [2025-03-17 15:06:59,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:59,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1693039504, now seen corresponding path program 1 times [2025-03-17 15:06:59,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:59,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509827861] [2025-03-17 15:06:59,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:59,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:59,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 15:06:59,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 15:06:59,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:59,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:59,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82053130] [2025-03-17 15:06:59,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:59,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:59,205 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) [2025-03-17 15:06:59,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:06:59,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 15:06:59,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 15:06:59,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:59,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:59,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:06:59,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:59,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:59,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509827861] [2025-03-17 15:06:59,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82053130] [2025-03-17 15:06:59,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82053130] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:59,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:06:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026785403] [2025-03-17 15:06:59,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:59,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:06:59,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:59,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:06:59,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:06:59,346 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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) [2025-03-17 15:06:59,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:06:59,566 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2025-03-17 15:06:59,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:06:59,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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 [2025-03-17 15:06:59,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:06:59,567 INFO L225 Difference]: With dead ends: 278 [2025-03-17 15:06:59,567 INFO L226 Difference]: Without dead ends: 276 [2025-03-17 15:06:59,567 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 [2025-03-17 15:06:59,569 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 369 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 199 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 [2025-03-17 15:06:59,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 199 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:06:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-03-17 15:06:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 209. [2025-03-17 15:06:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 204 states have internal predecessors, (245), 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) [2025-03-17 15:06:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2025-03-17 15:06:59,576 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 21 [2025-03-17 15:06:59,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:06:59,576 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2025-03-17 15:06:59,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 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) [2025-03-17 15:06:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2025-03-17 15:06:59,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 15:06:59,577 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:06:59,577 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:06:59,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 15:06:59,778 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 [2025-03-17 15:06:59,778 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)] === [2025-03-17 15:06:59,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:06:59,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1538966250, now seen corresponding path program 1 times [2025-03-17 15:06:59,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:06:59,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998172274] [2025-03-17 15:06:59,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:59,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:06:59,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 15:06:59,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 15:06:59,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:59,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:06:59,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169380962] [2025-03-17 15:06:59,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:06:59,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:06:59,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:06:59,790 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) [2025-03-17 15:06:59,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:06:59,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 15:06:59,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 15:06:59,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:06:59,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:06:59,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:06:59,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:06:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:06:59,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:06:59,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:06:59,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998172274] [2025-03-17 15:06:59,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:06:59,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169380962] [2025-03-17 15:06:59,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169380962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:06:59,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:06:59,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:06:59,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647235407] [2025-03-17 15:06:59,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:06:59,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:06:59,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:06:59,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:06:59,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:06:59,974 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-17 15:07:00,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:00,269 INFO L93 Difference]: Finished difference Result 270 states and 332 transitions. [2025-03-17 15:07:00,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:00,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2025-03-17 15:07:00,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:00,271 INFO L225 Difference]: With dead ends: 270 [2025-03-17 15:07:00,271 INFO L226 Difference]: Without dead ends: 266 [2025-03-17 15:07:00,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:07:00,272 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 258 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:00,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 146 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:07:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-03-17 15:07:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 210. [2025-03-17 15:07:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 158 states have (on average 1.5506329113924051) internal successors, (245), 205 states have internal predecessors, (245), 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) [2025-03-17 15:07:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 251 transitions. [2025-03-17 15:07:00,278 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 251 transitions. Word has length 24 [2025-03-17 15:07:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:00,278 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 251 transitions. [2025-03-17 15:07:00,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-17 15:07:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2025-03-17 15:07:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:07:00,279 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:00,279 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] [2025-03-17 15:07:00,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:07:00,483 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 [2025-03-17 15:07:00,483 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)] === [2025-03-17 15:07:00,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:00,483 INFO L85 PathProgramCache]: Analyzing trace with hash 463313548, now seen corresponding path program 1 times [2025-03-17 15:07:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:00,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108056428] [2025-03-17 15:07:00,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:00,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:00,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:07:00,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:07:00,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:00,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:00,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848895893] [2025-03-17 15:07:00,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:00,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:00,495 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) [2025-03-17 15:07:00,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:07:00,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:07:00,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:07:00,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:00,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:00,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:07:00,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:00,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:07:00,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108056428] [2025-03-17 15:07:00,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:00,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848895893] [2025-03-17 15:07:00,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848895893] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:00,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:00,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:07:00,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470212672] [2025-03-17 15:07:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:00,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:07:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:00,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:07:00,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:07:00,657 INFO L87 Difference]: Start difference. First operand 210 states and 251 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 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) [2025-03-17 15:07:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:00,925 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2025-03-17 15:07:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:00,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 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 [2025-03-17 15:07:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:00,926 INFO L225 Difference]: With dead ends: 268 [2025-03-17 15:07:00,926 INFO L226 Difference]: Without dead ends: 264 [2025-03-17 15:07:00,927 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 [2025-03-17 15:07:00,927 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 257 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 146 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 [2025-03-17 15:07:00,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 146 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:00,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-03-17 15:07:00,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 209. [2025-03-17 15:07:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.528301886792453) internal successors, (243), 204 states have internal predecessors, (243), 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) [2025-03-17 15:07:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2025-03-17 15:07:00,933 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 25 [2025-03-17 15:07:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:00,933 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2025-03-17 15:07:00,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 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) [2025-03-17 15:07:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2025-03-17 15:07:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 15:07:00,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:00,935 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] [2025-03-17 15:07:00,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-17 15:07:01,135 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 [2025-03-17 15:07:01,136 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)] === [2025-03-17 15:07:01,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:01,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1477818152, now seen corresponding path program 1 times [2025-03-17 15:07:01,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:01,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195709012] [2025-03-17 15:07:01,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:01,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:07:01,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:07:01,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:01,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:01,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:01,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195709012] [2025-03-17 15:07:01,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195709012] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:01,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:01,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:01,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88385154] [2025-03-17 15:07:01,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:01,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:01,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:01,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:01,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:01,205 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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) [2025-03-17 15:07:01,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:01,395 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2025-03-17 15:07:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:07:01,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 [2025-03-17 15:07:01,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:01,397 INFO L225 Difference]: With dead ends: 234 [2025-03-17 15:07:01,397 INFO L226 Difference]: Without dead ends: 232 [2025-03-17 15:07:01,397 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 [2025-03-17 15:07:01,397 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 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 [2025-03-17 15:07:01,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:01,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-17 15:07:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2025-03-17 15:07:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.51875) internal successors, (243), 205 states have internal predecessors, (243), 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) [2025-03-17 15:07:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 249 transitions. [2025-03-17 15:07:01,402 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 249 transitions. Word has length 26 [2025-03-17 15:07:01,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:01,402 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 249 transitions. [2025-03-17 15:07:01,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-03-17 15:07:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 249 transitions. [2025-03-17 15:07:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:07:01,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:01,403 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] [2025-03-17 15:07:01,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 15:07:01,403 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)] === [2025-03-17 15:07:01,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1432277494, now seen corresponding path program 1 times [2025-03-17 15:07:01,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:01,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269256003] [2025-03-17 15:07:01,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:01,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:07:01,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:07:01,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:01,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:01,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:01,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269256003] [2025-03-17 15:07:01,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269256003] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:01,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:01,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:01,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336107993] [2025-03-17 15:07:01,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:01,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:01,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:01,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:01,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:01,452 INFO L87 Difference]: Start difference. First operand 210 states and 249 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) [2025-03-17 15:07:01,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:01,648 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2025-03-17 15:07:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:01,648 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 [2025-03-17 15:07:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:01,649 INFO L225 Difference]: With dead ends: 228 [2025-03-17 15:07:01,649 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 15:07:01,649 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 [2025-03-17 15:07:01,650 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 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 [2025-03-17 15:07:01,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:01,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 15:07:01,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2025-03-17 15:07:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 206 states have internal predecessors, (243), 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) [2025-03-17 15:07:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2025-03-17 15:07:01,655 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 27 [2025-03-17 15:07:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:01,655 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2025-03-17 15:07:01,655 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) [2025-03-17 15:07:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2025-03-17 15:07:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:07:01,656 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:01,656 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] [2025-03-17 15:07:01,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 15:07:01,656 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)] === [2025-03-17 15:07:01,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:01,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1376557365, now seen corresponding path program 1 times [2025-03-17 15:07:01,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:01,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847049394] [2025-03-17 15:07:01,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:01,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:01,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:07:01,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:07:01,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:01,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:01,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847049394] [2025-03-17 15:07:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847049394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:01,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:01,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:01,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44985761] [2025-03-17 15:07:01,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:01,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:01,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:01,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:01,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:01,706 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:07:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:01,839 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2025-03-17 15:07:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 37 [2025-03-17 15:07:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:01,840 INFO L225 Difference]: With dead ends: 227 [2025-03-17 15:07:01,840 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 15:07:01,840 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 [2025-03-17 15:07:01,841 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 172 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 110 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 [2025-03-17 15:07:01,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 15:07:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2025-03-17 15:07:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.503030303030303) internal successors, (248), 210 states have internal predecessors, (248), 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) [2025-03-17 15:07:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2025-03-17 15:07:01,849 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 37 [2025-03-17 15:07:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:01,850 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2025-03-17 15:07:01,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-03-17 15:07:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2025-03-17 15:07:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:07:01,852 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:01,852 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] [2025-03-17 15:07:01,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-17 15:07:01,852 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)] === [2025-03-17 15:07:01,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -276394624, now seen corresponding path program 1 times [2025-03-17 15:07:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053543789] [2025-03-17 15:07:01,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:01,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:07:01,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:07:01,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:01,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:01,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:01,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053543789] [2025-03-17 15:07:01,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053543789] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:01,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:01,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:01,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214352051] [2025-03-17 15:07:01,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:01,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:01,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:01,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:01,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:01,912 INFO L87 Difference]: Start difference. First operand 215 states and 254 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) [2025-03-17 15:07:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:01,982 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2025-03-17 15:07:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:01,983 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 [2025-03-17 15:07:01,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:01,983 INFO L225 Difference]: With dead ends: 215 [2025-03-17 15:07:01,983 INFO L226 Difference]: Without dead ends: 214 [2025-03-17 15:07:01,984 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 [2025-03-17 15:07:01,984 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 140 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 [2025-03-17 15:07:01,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 140 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:01,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-17 15:07:01,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-03-17 15:07:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.490909090909091) 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) [2025-03-17 15:07:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2025-03-17 15:07:01,990 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 38 [2025-03-17 15:07:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:01,990 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2025-03-17 15:07:01,990 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) [2025-03-17 15:07:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2025-03-17 15:07:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:07:01,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:01,991 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] [2025-03-17 15:07:01,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-17 15:07:01,991 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)] === [2025-03-17 15:07:01,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash 65599298, now seen corresponding path program 1 times [2025-03-17 15:07:01,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770636447] [2025-03-17 15:07:01,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:01,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:07:01,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:07:01,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:01,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770636447] [2025-03-17 15:07:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770636447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:02,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321577282] [2025-03-17 15:07:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:02,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:02,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:02,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:02,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:02,036 INFO L87 Difference]: Start difference. First operand 214 states and 252 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) [2025-03-17 15:07:02,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:02,141 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2025-03-17 15:07:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:02,141 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 [2025-03-17 15:07:02,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:02,144 INFO L225 Difference]: With dead ends: 214 [2025-03-17 15:07:02,144 INFO L226 Difference]: Without dead ends: 213 [2025-03-17 15:07:02,144 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 [2025-03-17 15:07:02,145 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 63 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 112 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 [2025-03-17 15:07:02,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 112 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-03-17 15:07:02,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-03-17 15:07:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4848484848484849) internal successors, (245), 208 states have internal predecessors, (245), 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) [2025-03-17 15:07:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 251 transitions. [2025-03-17 15:07:02,153 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 251 transitions. Word has length 39 [2025-03-17 15:07:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:02,153 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 251 transitions. [2025-03-17 15:07:02,153 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) [2025-03-17 15:07:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2025-03-17 15:07:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:07:02,154 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:02,154 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] [2025-03-17 15:07:02,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-17 15:07:02,154 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)] === [2025-03-17 15:07:02,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:02,155 INFO L85 PathProgramCache]: Analyzing trace with hash 672739326, now seen corresponding path program 1 times [2025-03-17 15:07:02,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875634140] [2025-03-17 15:07:02,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:02,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:07:02,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:07:02,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:02,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875634140] [2025-03-17 15:07:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875634140] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:02,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:02,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:02,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251991342] [2025-03-17 15:07:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:02,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:02,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:02,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:02,192 INFO L87 Difference]: Start difference. First operand 213 states and 251 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) [2025-03-17 15:07:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:02,254 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2025-03-17 15:07:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:02,255 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 [2025-03-17 15:07:02,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:02,255 INFO L225 Difference]: With dead ends: 233 [2025-03-17 15:07:02,256 INFO L226 Difference]: Without dead ends: 231 [2025-03-17 15:07:02,256 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 [2025-03-17 15:07:02,256 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:02,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-03-17 15:07:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2025-03-17 15:07:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.461111111111111) internal successors, (263), 223 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) [2025-03-17 15:07:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2025-03-17 15:07:02,262 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 40 [2025-03-17 15:07:02,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:02,262 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2025-03-17 15:07:02,262 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) [2025-03-17 15:07:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2025-03-17 15:07:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:07:02,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:02,263 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] [2025-03-17 15:07:02,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-17 15:07:02,263 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)] === [2025-03-17 15:07:02,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:02,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2033578271, now seen corresponding path program 1 times [2025-03-17 15:07:02,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:02,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314060145] [2025-03-17 15:07:02,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:02,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:02,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:07:02,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:07:02,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:02,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:02,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314060145] [2025-03-17 15:07:02,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314060145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:02,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:02,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:07:02,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794537291] [2025-03-17 15:07:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:02,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:07:02,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:02,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:07:02,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:07:02,321 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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) [2025-03-17 15:07:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:02,497 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2025-03-17 15:07:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:07:02,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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 [2025-03-17 15:07:02,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:02,498 INFO L225 Difference]: With dead ends: 229 [2025-03-17 15:07:02,498 INFO L226 Difference]: Without dead ends: 228 [2025-03-17 15:07:02,498 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 [2025-03-17 15:07:02,498 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 151 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 160 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 [2025-03-17 15:07:02,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 160 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:02,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-03-17 15:07:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-03-17 15:07:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 223 states have internal predecessors, (262), 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) [2025-03-17 15:07:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2025-03-17 15:07:02,506 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 40 [2025-03-17 15:07:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:02,506 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2025-03-17 15:07:02,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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) [2025-03-17 15:07:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2025-03-17 15:07:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:07:02,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:02,506 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:07:02,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-17 15:07:02,507 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)] === [2025-03-17 15:07:02,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1383583008, now seen corresponding path program 1 times [2025-03-17 15:07:02,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:02,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858673552] [2025-03-17 15:07:02,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:02,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:02,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:07:02,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:07:02,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:02,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858673552] [2025-03-17 15:07:02,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858673552] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:02,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:02,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:02,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378752539] [2025-03-17 15:07:02,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:02,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:02,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:02,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:02,558 INFO L87 Difference]: Start difference. First operand 228 states and 268 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) [2025-03-17 15:07:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:02,605 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2025-03-17 15:07:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:02,605 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 [2025-03-17 15:07:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:02,610 INFO L225 Difference]: With dead ends: 270 [2025-03-17 15:07:02,610 INFO L226 Difference]: Without dead ends: 268 [2025-03-17 15:07:02,610 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 [2025-03-17 15:07:02,610 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:02,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 312 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:07:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-03-17 15:07:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-03-17 15:07:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.4308510638297873) internal successors, (269), 231 states have internal predecessors, (269), 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) [2025-03-17 15:07:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2025-03-17 15:07:02,616 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 41 [2025-03-17 15:07:02,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:02,617 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2025-03-17 15:07:02,617 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) [2025-03-17 15:07:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2025-03-17 15:07:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 15:07:02,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:02,617 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] [2025-03-17 15:07:02,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-17 15:07:02,617 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)] === [2025-03-17 15:07:02,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1259876048, now seen corresponding path program 1 times [2025-03-17 15:07:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:02,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218154401] [2025-03-17 15:07:02,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:02,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:07:02,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:07:02,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:02,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:02,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218154401] [2025-03-17 15:07:02,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218154401] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:02,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648932535] [2025-03-17 15:07:02,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:02,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:02,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:02,677 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) [2025-03-17 15:07:02,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:07:02,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:07:02,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:07:02,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:02,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:02,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:02,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:02,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:07:02,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648932535] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:02,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:07:02,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-03-17 15:07:02,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349404512] [2025-03-17 15:07:02,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:02,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:07:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:02,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:07:02,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:07:02,760 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2025-03-17 15:07:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:02,790 INFO L93 Difference]: Finished difference Result 236 states and 275 transitions. [2025-03-17 15:07:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:07:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 43 [2025-03-17 15:07:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:02,791 INFO L225 Difference]: With dead ends: 236 [2025-03-17 15:07:02,791 INFO L226 Difference]: Without dead ends: 235 [2025-03-17 15:07:02,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:02,792 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 157 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:02,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 223 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:07:02,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-03-17 15:07:02,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2025-03-17 15:07:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 188 states have (on average 1.4202127659574468) internal successors, (267), 230 states have internal predecessors, (267), 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) [2025-03-17 15:07:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 273 transitions. [2025-03-17 15:07:02,797 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 273 transitions. Word has length 43 [2025-03-17 15:07:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:02,797 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 273 transitions. [2025-03-17 15:07:02,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2025-03-17 15:07:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 273 transitions. [2025-03-17 15:07:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:07:02,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:02,797 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] [2025-03-17 15:07:02,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:03,002 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 [2025-03-17 15:07:03,002 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)] === [2025-03-17 15:07:03,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:03,002 INFO L85 PathProgramCache]: Analyzing trace with hash 401451912, now seen corresponding path program 1 times [2025-03-17 15:07:03,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:03,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607855643] [2025-03-17 15:07:03,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:03,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:03,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:07:03,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:07:03,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:03,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:03,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:03,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607855643] [2025-03-17 15:07:03,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607855643] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:03,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550262158] [2025-03-17 15:07:03,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:03,068 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) [2025-03-17 15:07:03,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:07:03,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:07:03,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:07:03,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:03,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:03,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:03,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:03,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:03,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550262158] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:03,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:03,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-03-17 15:07:03,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479322586] [2025-03-17 15:07:03,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:03,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:07:03,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:03,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:07:03,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:07:03,216 INFO L87 Difference]: Start difference. First operand 235 states and 273 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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) [2025-03-17 15:07:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:03,311 INFO L93 Difference]: Finished difference Result 650 states and 770 transitions. [2025-03-17 15:07:03,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:07:03,311 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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 44 [2025-03-17 15:07:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:03,314 INFO L225 Difference]: With dead ends: 650 [2025-03-17 15:07:03,314 INFO L226 Difference]: Without dead ends: 587 [2025-03-17 15:07:03,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:07:03,315 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 264 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:03,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1111 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:07:03,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-03-17 15:07:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 413. [2025-03-17 15:07:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.4596100278551531) internal successors, (524), 401 states have internal predecessors, (524), 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) [2025-03-17 15:07:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 538 transitions. [2025-03-17 15:07:03,329 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 538 transitions. Word has length 44 [2025-03-17 15:07:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:03,329 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 538 transitions. [2025-03-17 15:07:03,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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) [2025-03-17 15:07:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 538 transitions. [2025-03-17 15:07:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:07:03,330 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:03,330 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] [2025-03-17 15:07:03,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:03,534 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 [2025-03-17 15:07:03,534 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)] === [2025-03-17 15:07:03,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -751766458, now seen corresponding path program 1 times [2025-03-17 15:07:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29249967] [2025-03-17 15:07:03,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:03,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:07:03,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:07:03,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:03,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:03,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948523393] [2025-03-17 15:07:03,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:03,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:03,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:03,545 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) [2025-03-17 15:07:03,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:07:03,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:07:03,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:07:03,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:03,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:03,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:07:03,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:03,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:03,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:03,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29249967] [2025-03-17 15:07:03,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:03,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948523393] [2025-03-17 15:07:03,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948523393] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:03,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:03,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:07:04,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055030117] [2025-03-17 15:07:04,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:04,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:04,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:04,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:04,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:04,001 INFO L87 Difference]: Start difference. First operand 413 states and 538 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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) [2025-03-17 15:07:04,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:04,464 INFO L93 Difference]: Finished difference Result 413 states and 538 transitions. [2025-03-17 15:07:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:04,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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 46 [2025-03-17 15:07:04,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:04,466 INFO L225 Difference]: With dead ends: 413 [2025-03-17 15:07:04,466 INFO L226 Difference]: Without dead ends: 409 [2025-03-17 15:07:04,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:07:04,466 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 318 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:04,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 205 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:07:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-03-17 15:07:04,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-03-17 15:07:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 359 states have (on average 1.4038997214484679) internal successors, (504), 397 states have internal predecessors, (504), 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) [2025-03-17 15:07:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 518 transitions. [2025-03-17 15:07:04,490 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 518 transitions. Word has length 46 [2025-03-17 15:07:04,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:04,490 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 518 transitions. [2025-03-17 15:07:04,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 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) [2025-03-17 15:07:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 518 transitions. [2025-03-17 15:07:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 15:07:04,491 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:04,491 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] [2025-03-17 15:07:04,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:04,695 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 [2025-03-17 15:07:04,695 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)] === [2025-03-17 15:07:04,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1829923636, now seen corresponding path program 1 times [2025-03-17 15:07:04,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:04,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498182387] [2025-03-17 15:07:04,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:04,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:07:04,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:07:04,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:04,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:04,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932846898] [2025-03-17 15:07:04,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:04,708 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) [2025-03-17 15:07:04,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:07:04,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:07:04,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:07:04,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:04,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:04,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:07:04,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:04,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:05,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:05,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498182387] [2025-03-17 15:07:05,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:05,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932846898] [2025-03-17 15:07:05,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932846898] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:05,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:05,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:07:05,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107155660] [2025-03-17 15:07:05,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:05,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:05,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:05,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:05,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:05,237 INFO L87 Difference]: Start difference. First operand 409 states and 518 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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) [2025-03-17 15:07:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:05,593 INFO L93 Difference]: Finished difference Result 409 states and 518 transitions. [2025-03-17 15:07:05,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:05,593 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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 [2025-03-17 15:07:05,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:05,595 INFO L225 Difference]: With dead ends: 409 [2025-03-17 15:07:05,595 INFO L226 Difference]: Without dead ends: 407 [2025-03-17 15:07:05,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:07:05,596 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 232 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:05,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 226 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:07:05,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-03-17 15:07:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-03-17 15:07:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 359 states have (on average 1.3816155988857939) internal successors, (496), 395 states have internal predecessors, (496), 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) [2025-03-17 15:07:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 510 transitions. [2025-03-17 15:07:05,608 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 510 transitions. Word has length 47 [2025-03-17 15:07:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:05,609 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 510 transitions. [2025-03-17 15:07:05,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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) [2025-03-17 15:07:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 510 transitions. [2025-03-17 15:07:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:07:05,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:05,609 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] [2025-03-17 15:07:05,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-17 15:07:05,809 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 [2025-03-17 15:07:05,810 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)] === [2025-03-17 15:07:05,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash 764927426, now seen corresponding path program 1 times [2025-03-17 15:07:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:05,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154515096] [2025-03-17 15:07:05,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:05,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:07:05,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:07:05,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:05,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:05,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613473318] [2025-03-17 15:07:05,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:05,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:05,824 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) [2025-03-17 15:07:05,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:07:05,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:07:05,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:07:05,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:05,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:05,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:07:05,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:05,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:06,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:06,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154515096] [2025-03-17 15:07:06,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:06,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613473318] [2025-03-17 15:07:06,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613473318] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:06,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:06,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:07:06,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768807589] [2025-03-17 15:07:06,070 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:06,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:06,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:06,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:06,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:06,071 INFO L87 Difference]: Start difference. First operand 407 states and 510 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 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) [2025-03-17 15:07:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:06,713 INFO L93 Difference]: Finished difference Result 499 states and 603 transitions. [2025-03-17 15:07:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:07:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 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 50 [2025-03-17 15:07:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:06,715 INFO L225 Difference]: With dead ends: 499 [2025-03-17 15:07:06,715 INFO L226 Difference]: Without dead ends: 497 [2025-03-17 15:07:06,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:07:06,716 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 873 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:06,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 274 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:07:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-03-17 15:07:06,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 417. [2025-03-17 15:07:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 369 states have (on average 1.3658536585365855) internal successors, (504), 405 states have internal predecessors, (504), 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) [2025-03-17 15:07:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 518 transitions. [2025-03-17 15:07:06,727 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 518 transitions. Word has length 50 [2025-03-17 15:07:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:06,727 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 518 transitions. [2025-03-17 15:07:06,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 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) [2025-03-17 15:07:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 518 transitions. [2025-03-17 15:07:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:07:06,728 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:06,728 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] [2025-03-17 15:07:06,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-17 15:07:06,928 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 [2025-03-17 15:07:06,929 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)] === [2025-03-17 15:07:06,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:06,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2057053496, now seen corresponding path program 1 times [2025-03-17 15:07:06,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:06,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211616115] [2025-03-17 15:07:06,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:06,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:06,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:07:06,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:07:06,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:06,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:06,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813045988] [2025-03-17 15:07:06,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:06,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:06,939 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) [2025-03-17 15:07:06,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:07:06,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:07:06,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:07:06,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:06,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:06,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:07:06,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:07,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:07,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:07,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211616115] [2025-03-17 15:07:07,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:07,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813045988] [2025-03-17 15:07:07,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813045988] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:07,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:07,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:07:07,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583597776] [2025-03-17 15:07:07,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:07,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:07:07,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:07,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:07:07,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:07:07,566 INFO L87 Difference]: Start difference. First operand 417 states and 518 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 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) [2025-03-17 15:07:08,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:08,617 INFO L93 Difference]: Finished difference Result 515 states and 633 transitions. [2025-03-17 15:07:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-17 15:07:08,618 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 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 [2025-03-17 15:07:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:08,619 INFO L225 Difference]: With dead ends: 515 [2025-03-17 15:07:08,619 INFO L226 Difference]: Without dead ends: 513 [2025-03-17 15:07:08,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2025-03-17 15:07:08,620 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 710 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:08,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 291 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:07:08,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-03-17 15:07:08,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 451. [2025-03-17 15:07:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 402 states have (on average 1.3681592039800996) internal successors, (550), 438 states have internal predecessors, (550), 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) [2025-03-17 15:07:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 566 transitions. [2025-03-17 15:07:08,631 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 566 transitions. Word has length 51 [2025-03-17 15:07:08,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:08,631 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 566 transitions. [2025-03-17 15:07:08,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 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) [2025-03-17 15:07:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 566 transitions. [2025-03-17 15:07:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:07:08,632 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:08,632 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] [2025-03-17 15:07:08,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:07:08,832 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 [2025-03-17 15:07:08,832 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)] === [2025-03-17 15:07:08,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:08,833 INFO L85 PathProgramCache]: Analyzing trace with hash -82913151, now seen corresponding path program 1 times [2025-03-17 15:07:08,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:08,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964598605] [2025-03-17 15:07:08,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:08,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:08,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:07:08,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:07:08,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:08,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:08,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187466781] [2025-03-17 15:07:08,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:08,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:08,844 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) [2025-03-17 15:07:08,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:07:08,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:07:08,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:07:08,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:08,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:08,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:07:08,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:08,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:13,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:13,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964598605] [2025-03-17 15:07:13,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:13,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187466781] [2025-03-17 15:07:13,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187466781] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:13,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:07:13,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:07:13,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309443438] [2025-03-17 15:07:13,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:13,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:07:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:13,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:07:13,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2025-03-17 15:07:13,114 INFO L87 Difference]: Start difference. First operand 451 states and 566 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2025-03-17 15:07:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:13,372 INFO L93 Difference]: Finished difference Result 488 states and 600 transitions. [2025-03-17 15:07:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:13,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 52 [2025-03-17 15:07:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:13,373 INFO L225 Difference]: With dead ends: 488 [2025-03-17 15:07:13,373 INFO L226 Difference]: Without dead ends: 484 [2025-03-17 15:07:13,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:07:13,374 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 460 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 [2025-03-17 15:07:13,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 460 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-17 15:07:13,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 451. [2025-03-17 15:07:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 405 states have (on average 1.345679012345679) internal successors, (545), 438 states have internal predecessors, (545), 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) [2025-03-17 15:07:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 561 transitions. [2025-03-17 15:07:13,386 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 561 transitions. Word has length 52 [2025-03-17 15:07:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:13,387 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 561 transitions. [2025-03-17 15:07:13,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2025-03-17 15:07:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 561 transitions. [2025-03-17 15:07:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:07:13,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:13,387 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] [2025-03-17 15:07:13,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:13,588 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 [2025-03-17 15:07:13,588 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)] === [2025-03-17 15:07:13,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1724659693, now seen corresponding path program 1 times [2025-03-17 15:07:13,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:13,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532411169] [2025-03-17 15:07:13,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:13,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:07:13,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:07:13,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:13,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:13,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700041428] [2025-03-17 15:07:13,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:13,599 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) [2025-03-17 15:07:13,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:07:13,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:07:13,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:07:13,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:13,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:13,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:07:13,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:13,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:14,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532411169] [2025-03-17 15:07:14,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700041428] [2025-03-17 15:07:14,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700041428] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:14,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:07:14,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:07:14,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342901020] [2025-03-17 15:07:14,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:14,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:07:14,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:14,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:07:14,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:07:14,080 INFO L87 Difference]: Start difference. First operand 451 states and 561 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2025-03-17 15:07:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:14,224 INFO L93 Difference]: Finished difference Result 600 states and 741 transitions. [2025-03-17 15:07:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:14,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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 [2025-03-17 15:07:14,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:14,225 INFO L225 Difference]: With dead ends: 600 [2025-03-17 15:07:14,225 INFO L226 Difference]: Without dead ends: 598 [2025-03-17 15:07:14,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:14,226 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 395 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:14,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 302 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:14,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2025-03-17 15:07:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 536. [2025-03-17 15:07:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 488 states have (on average 1.3647540983606556) internal successors, (666), 521 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) [2025-03-17 15:07:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 686 transitions. [2025-03-17 15:07:14,239 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 686 transitions. Word has length 53 [2025-03-17 15:07:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:14,239 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 686 transitions. [2025-03-17 15:07:14,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2025-03-17 15:07:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 686 transitions. [2025-03-17 15:07:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 15:07:14,240 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:14,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:07:14,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-17 15:07:14,440 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 [2025-03-17 15:07:14,441 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:14,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:14,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1860423566, now seen corresponding path program 1 times [2025-03-17 15:07:14,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:14,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887777892] [2025-03-17 15:07:14,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:14,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:14,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:07:14,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:07:14,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:14,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:14,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:14,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887777892] [2025-03-17 15:07:14,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887777892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:14,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:14,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:14,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015527799] [2025-03-17 15:07:14,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:14,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:14,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:14,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:14,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:14,500 INFO L87 Difference]: Start difference. First operand 536 states and 686 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2025-03-17 15:07:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:14,638 INFO L93 Difference]: Finished difference Result 541 states and 691 transitions. [2025-03-17 15:07:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:14,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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 [2025-03-17 15:07:14,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:14,641 INFO L225 Difference]: With dead ends: 541 [2025-03-17 15:07:14,641 INFO L226 Difference]: Without dead ends: 540 [2025-03-17 15:07:14,641 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 [2025-03-17 15:07:14,641 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 47 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 119 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 [2025-03-17 15:07:14,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 119 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-03-17 15:07:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 539. [2025-03-17 15:07:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 491 states have (on average 1.3625254582484725) internal successors, (669), 524 states have internal predecessors, (669), 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) [2025-03-17 15:07:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 689 transitions. [2025-03-17 15:07:14,661 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 689 transitions. Word has length 54 [2025-03-17 15:07:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:14,661 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 689 transitions. [2025-03-17 15:07:14,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 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) [2025-03-17 15:07:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 689 transitions. [2025-03-17 15:07:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 15:07:14,662 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:14,662 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] [2025-03-17 15:07:14,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-17 15:07:14,662 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:14,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1087248578, now seen corresponding path program 1 times [2025-03-17 15:07:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:14,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80774658] [2025-03-17 15:07:14,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:14,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:14,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:07:14,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:07:14,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:14,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:14,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884537165] [2025-03-17 15:07:14,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:14,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:14,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:14,673 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) [2025-03-17 15:07:14,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:07:14,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:07:14,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:07:14,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:14,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:14,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:14,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:07:14,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:07:14,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:14,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80774658] [2025-03-17 15:07:14,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884537165] [2025-03-17 15:07:14,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884537165] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:14,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:14,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-17 15:07:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692364388] [2025-03-17 15:07:14,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:14,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:07:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:14,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:07:14,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:07:14,804 INFO L87 Difference]: Start difference. First operand 539 states and 689 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2025-03-17 15:07:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:14,934 INFO L93 Difference]: Finished difference Result 599 states and 737 transitions. [2025-03-17 15:07:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:14,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 [2025-03-17 15:07:14,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:14,936 INFO L225 Difference]: With dead ends: 599 [2025-03-17 15:07:14,936 INFO L226 Difference]: Without dead ends: 597 [2025-03-17 15:07:14,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:07:14,936 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 251 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 246 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 [2025-03-17 15:07:14,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 246 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:14,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-17 15:07:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 540. [2025-03-17 15:07:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 492 states have (on average 1.3556910569105691) internal successors, (667), 525 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) [2025-03-17 15:07:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 687 transitions. [2025-03-17 15:07:14,950 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 687 transitions. Word has length 54 [2025-03-17 15:07:14,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:14,950 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 687 transitions. [2025-03-17 15:07:14,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2025-03-17 15:07:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 687 transitions. [2025-03-17 15:07:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 15:07:14,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:14,951 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] [2025-03-17 15:07:14,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:07:15,151 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,SelfDestructingSolverStorable34 [2025-03-17 15:07:15,152 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:15,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1838555726, now seen corresponding path program 1 times [2025-03-17 15:07:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:15,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591846468] [2025-03-17 15:07:15,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:15,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:15,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:07:15,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:07:15,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:15,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:15,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:15,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591846468] [2025-03-17 15:07:15,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591846468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:15,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:15,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:07:15,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852111215] [2025-03-17 15:07:15,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:15,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:07:15,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:15,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:07:15,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:07:15,213 INFO L87 Difference]: Start difference. First operand 540 states and 687 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) [2025-03-17 15:07:15,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:15,403 INFO L93 Difference]: Finished difference Result 542 states and 688 transitions. [2025-03-17 15:07:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:07:15,404 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 [2025-03-17 15:07:15,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:15,405 INFO L225 Difference]: With dead ends: 542 [2025-03-17 15:07:15,407 INFO L226 Difference]: Without dead ends: 519 [2025-03-17 15:07:15,407 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 [2025-03-17 15:07:15,407 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:15,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 122 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-03-17 15:07:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-03-17 15:07:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 471 states have (on average 1.3694267515923566) internal successors, (645), 504 states have internal predecessors, (645), 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) [2025-03-17 15:07:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 665 transitions. [2025-03-17 15:07:15,421 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 665 transitions. Word has length 55 [2025-03-17 15:07:15,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:15,421 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 665 transitions. [2025-03-17 15:07:15,421 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) [2025-03-17 15:07:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 665 transitions. [2025-03-17 15:07:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 15:07:15,421 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:15,422 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] [2025-03-17 15:07:15,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-17 15:07:15,422 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:15,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:15,422 INFO L85 PathProgramCache]: Analyzing trace with hash 655032516, now seen corresponding path program 1 times [2025-03-17 15:07:15,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:15,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889461666] [2025-03-17 15:07:15,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:15,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:15,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:07:15,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:07:15,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:15,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:15,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753770713] [2025-03-17 15:07:15,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:15,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:15,433 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) [2025-03-17 15:07:15,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:07:15,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:07:15,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:07:15,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:15,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:15,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:15,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:07:15,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:07:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889461666] [2025-03-17 15:07:15,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753770713] [2025-03-17 15:07:15,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753770713] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:15,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:15,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2025-03-17 15:07:15,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527123157] [2025-03-17 15:07:15,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:15,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:07:15,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:15,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:07:15,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:07:15,582 INFO L87 Difference]: Start difference. First operand 519 states and 665 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) [2025-03-17 15:07:15,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:15,712 INFO L93 Difference]: Finished difference Result 576 states and 711 transitions. [2025-03-17 15:07:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:07:15,712 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 [2025-03-17 15:07:15,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:15,714 INFO L225 Difference]: With dead ends: 576 [2025-03-17 15:07:15,714 INFO L226 Difference]: Without dead ends: 574 [2025-03-17 15:07:15,714 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 [2025-03-17 15:07:15,714 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:15,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 217 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2025-03-17 15:07:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 520. [2025-03-17 15:07:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 472 states have (on average 1.3622881355932204) internal successors, (643), 505 states have internal predecessors, (643), 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) [2025-03-17 15:07:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 663 transitions. [2025-03-17 15:07:15,728 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 663 transitions. Word has length 55 [2025-03-17 15:07:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:15,728 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 663 transitions. [2025-03-17 15:07:15,729 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) [2025-03-17 15:07:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 663 transitions. [2025-03-17 15:07:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-17 15:07:15,729 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:15,729 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] [2025-03-17 15:07:15,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:07:15,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-17 15:07:15,930 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)] === [2025-03-17 15:07:15,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1168828420, now seen corresponding path program 1 times [2025-03-17 15:07:15,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:15,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429065045] [2025-03-17 15:07:15,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:15,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:07:15,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:07:15,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:15,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:15,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906723450] [2025-03-17 15:07:15,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:15,939 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) [2025-03-17 15:07:15,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:07:15,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:07:15,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:07:15,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:15,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:15,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:07:15,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:16,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:16,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429065045] [2025-03-17 15:07:16,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906723450] [2025-03-17 15:07:16,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906723450] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:16,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:16,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:07:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222621162] [2025-03-17 15:07:16,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:16,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:07:16,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:16,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:07:16,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:07:16,445 INFO L87 Difference]: Start difference. First operand 520 states and 663 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 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) [2025-03-17 15:07:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:17,510 INFO L93 Difference]: Finished difference Result 585 states and 737 transitions. [2025-03-17 15:07:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 15:07:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 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 56 [2025-03-17 15:07:17,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:17,512 INFO L225 Difference]: With dead ends: 585 [2025-03-17 15:07:17,512 INFO L226 Difference]: Without dead ends: 581 [2025-03-17 15:07:17,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:07:17,513 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 972 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:17,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 274 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:07:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-03-17 15:07:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 546. [2025-03-17 15:07:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 498 states have (on average 1.3393574297188755) internal successors, (667), 531 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) [2025-03-17 15:07:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 687 transitions. [2025-03-17 15:07:17,528 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 687 transitions. Word has length 56 [2025-03-17 15:07:17,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:17,528 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 687 transitions. [2025-03-17 15:07:17,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 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) [2025-03-17 15:07:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2025-03-17 15:07:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-17 15:07:17,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:17,529 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] [2025-03-17 15:07:17,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:17,733 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 [2025-03-17 15:07:17,733 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)] === [2025-03-17 15:07:17,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:17,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1356772483, now seen corresponding path program 1 times [2025-03-17 15:07:17,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:17,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192212923] [2025-03-17 15:07:17,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:17,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:17,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:07:17,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:07:17,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:17,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:17,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070748163] [2025-03-17 15:07:17,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:17,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:17,748 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) [2025-03-17 15:07:17,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:07:17,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:07:17,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:07:17,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:17,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:17,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:07:17,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:17,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:17,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:17,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192212923] [2025-03-17 15:07:17,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:17,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070748163] [2025-03-17 15:07:17,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070748163] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:17,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:17,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:07:17,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809145055] [2025-03-17 15:07:17,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:17,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:17,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:17,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:17,967 INFO L87 Difference]: Start difference. First operand 546 states and 687 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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) [2025-03-17 15:07:18,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:18,536 INFO L93 Difference]: Finished difference Result 715 states and 858 transitions. [2025-03-17 15:07:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:07:18,536 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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 56 [2025-03-17 15:07:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:18,538 INFO L225 Difference]: With dead ends: 715 [2025-03-17 15:07:18,538 INFO L226 Difference]: Without dead ends: 714 [2025-03-17 15:07:18,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:07:18,538 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 916 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:18,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 383 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:07:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-17 15:07:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 600. [2025-03-17 15:07:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 551 states have (on average 1.3357531760435573) internal successors, (736), 584 states have internal predecessors, (736), 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) [2025-03-17 15:07:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 758 transitions. [2025-03-17 15:07:18,555 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 758 transitions. Word has length 56 [2025-03-17 15:07:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:18,555 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 758 transitions. [2025-03-17 15:07:18,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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) [2025-03-17 15:07:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 758 transitions. [2025-03-17 15:07:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 15:07:18,556 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:18,556 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] [2025-03-17 15:07:18,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:18,756 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 [2025-03-17 15:07:18,757 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)] === [2025-03-17 15:07:18,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:18,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1873942590, now seen corresponding path program 1 times [2025-03-17 15:07:18,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:18,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840629739] [2025-03-17 15:07:18,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:18,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:07:18,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:07:18,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:18,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:18,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:18,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840629739] [2025-03-17 15:07:18,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840629739] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:18,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567474940] [2025-03-17 15:07:18,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:18,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:18,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:18,804 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) [2025-03-17 15:07:18,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:07:18,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:07:18,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:07:18,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:18,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:18,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:07:18,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:18,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:18,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567474940] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:18,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:18,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-03-17 15:07:18,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685614325] [2025-03-17 15:07:18,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:18,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:07:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:18,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:07:18,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:07:18,948 INFO L87 Difference]: Start difference. First operand 600 states and 758 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 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) [2025-03-17 15:07:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:19,199 INFO L93 Difference]: Finished difference Result 619 states and 782 transitions. [2025-03-17 15:07:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:07:19,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 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 57 [2025-03-17 15:07:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:19,201 INFO L225 Difference]: With dead ends: 619 [2025-03-17 15:07:19,201 INFO L226 Difference]: Without dead ends: 617 [2025-03-17 15:07:19,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:07:19,202 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 294 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:19,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 342 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-03-17 15:07:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 598. [2025-03-17 15:07:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.3121597096188748) internal successors, (723), 582 states have internal predecessors, (723), 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) [2025-03-17 15:07:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 745 transitions. [2025-03-17 15:07:19,229 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 745 transitions. Word has length 57 [2025-03-17 15:07:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:19,229 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 745 transitions. [2025-03-17 15:07:19,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 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) [2025-03-17 15:07:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 745 transitions. [2025-03-17 15:07:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 15:07:19,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:19,229 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] [2025-03-17 15:07:19,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:19,433 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 [2025-03-17 15:07:19,433 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)] === [2025-03-17 15:07:19,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash 889726057, now seen corresponding path program 1 times [2025-03-17 15:07:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922808320] [2025-03-17 15:07:19,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:19,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:07:19,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:07:19,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:19,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:19,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910263611] [2025-03-17 15:07:19,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:19,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:19,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:19,441 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) [2025-03-17 15:07:19,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:07:19,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:07:19,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:07:19,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:19,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:19,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:07:19,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:19,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:19,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922808320] [2025-03-17 15:07:19,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910263611] [2025-03-17 15:07:19,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910263611] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:19,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:19,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:07:19,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820989144] [2025-03-17 15:07:19,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:19,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:19,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:19,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:19,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:19,695 INFO L87 Difference]: Start difference. First operand 598 states and 745 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 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) [2025-03-17 15:07:20,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:20,245 INFO L93 Difference]: Finished difference Result 709 states and 837 transitions. [2025-03-17 15:07:20,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:07:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 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 [2025-03-17 15:07:20,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:20,247 INFO L225 Difference]: With dead ends: 709 [2025-03-17 15:07:20,247 INFO L226 Difference]: Without dead ends: 707 [2025-03-17 15:07:20,247 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 [2025-03-17 15:07:20,248 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 1219 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:20,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 392 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:07:20,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2025-03-17 15:07:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 598. [2025-03-17 15:07:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 551 states have (on average 1.2976406533575318) internal successors, (715), 582 states have internal predecessors, (715), 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) [2025-03-17 15:07:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 737 transitions. [2025-03-17 15:07:20,273 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 737 transitions. Word has length 57 [2025-03-17 15:07:20,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:20,273 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 737 transitions. [2025-03-17 15:07:20,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 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) [2025-03-17 15:07:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 737 transitions. [2025-03-17 15:07:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-17 15:07:20,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:20,274 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] [2025-03-17 15:07:20,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:20,475 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 [2025-03-17 15:07:20,475 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)] === [2025-03-17 15:07:20,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:20,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1811704059, now seen corresponding path program 1 times [2025-03-17 15:07:20,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:20,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800186010] [2025-03-17 15:07:20,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:20,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:07:20,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:07:20,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:20,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:20,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621833458] [2025-03-17 15:07:20,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:20,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:20,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:20,483 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) [2025-03-17 15:07:20,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:07:20,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:07:20,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:07:20,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:20,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:20,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 15:07:20,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:20,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:21,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:21,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800186010] [2025-03-17 15:07:21,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:21,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621833458] [2025-03-17 15:07:21,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621833458] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:21,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:21,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-03-17 15:07:21,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413777069] [2025-03-17 15:07:21,208 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:21,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-17 15:07:21,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:21,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-17 15:07:21,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:07:21,209 INFO L87 Difference]: Start difference. First operand 598 states and 737 transitions. Second operand has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 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) [2025-03-17 15:07:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:22,828 INFO L93 Difference]: Finished difference Result 680 states and 834 transitions. [2025-03-17 15:07:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-17 15:07:22,828 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 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 [2025-03-17 15:07:22,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:22,830 INFO L225 Difference]: With dead ends: 680 [2025-03-17 15:07:22,830 INFO L226 Difference]: Without dead ends: 678 [2025-03-17 15:07:22,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=353, Invalid=1809, Unknown=0, NotChecked=0, Total=2162 [2025-03-17 15:07:22,831 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 492 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:22,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 596 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:07:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2025-03-17 15:07:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 600. [2025-03-17 15:07:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 553 states have (on average 1.2929475587703436) internal successors, (715), 584 states have internal predecessors, (715), 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) [2025-03-17 15:07:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 737 transitions. [2025-03-17 15:07:22,847 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 737 transitions. Word has length 58 [2025-03-17 15:07:22,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:22,847 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 737 transitions. [2025-03-17 15:07:22,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 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) [2025-03-17 15:07:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 737 transitions. [2025-03-17 15:07:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:07:22,849 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:22,849 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] [2025-03-17 15:07:22,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:23,054 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 [2025-03-17 15:07:23,054 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)] === [2025-03-17 15:07:23,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:23,054 INFO L85 PathProgramCache]: Analyzing trace with hash 328251047, now seen corresponding path program 1 times [2025-03-17 15:07:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:23,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066758385] [2025-03-17 15:07:23,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:23,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:23,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:07:23,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:07:23,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:23,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18529032] [2025-03-17 15:07:23,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:23,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:23,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:23,064 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) [2025-03-17 15:07:23,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:07:23,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:07:23,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:07:23,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:23,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:23,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 15:07:23,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:23,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:23,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:23,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066758385] [2025-03-17 15:07:23,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:23,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18529032] [2025-03-17 15:07:23,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18529032] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:23,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:23,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-17 15:07:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463701712] [2025-03-17 15:07:23,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:23,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:07:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:23,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:07:23,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:23,578 INFO L87 Difference]: Start difference. First operand 600 states and 737 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 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) [2025-03-17 15:07:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:25,260 INFO L93 Difference]: Finished difference Result 711 states and 875 transitions. [2025-03-17 15:07:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-03-17 15:07:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 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 59 [2025-03-17 15:07:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:25,262 INFO L225 Difference]: With dead ends: 711 [2025-03-17 15:07:25,262 INFO L226 Difference]: Without dead ends: 706 [2025-03-17 15:07:25,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1623, Unknown=0, NotChecked=0, Total=1980 [2025-03-17 15:07:25,263 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 670 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:25,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 439 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 15:07:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-03-17 15:07:25,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 614. [2025-03-17 15:07:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 567 states have (on average 1.2857142857142858) internal successors, (729), 598 states have internal predecessors, (729), 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) [2025-03-17 15:07:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 751 transitions. [2025-03-17 15:07:25,282 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 751 transitions. Word has length 59 [2025-03-17 15:07:25,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:25,282 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 751 transitions. [2025-03-17 15:07:25,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 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) [2025-03-17 15:07:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 751 transitions. [2025-03-17 15:07:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-17 15:07:25,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:25,283 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, 1, 1, 1] [2025-03-17 15:07:25,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:25,483 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 [2025-03-17 15:07:25,483 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:25,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1585847929, now seen corresponding path program 1 times [2025-03-17 15:07:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:25,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183544585] [2025-03-17 15:07:25,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:25,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:07:25,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:07:25,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:25,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293108689] [2025-03-17 15:07:25,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:25,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:25,494 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) [2025-03-17 15:07:25,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:07:25,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:07:25,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:07:25,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:25,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:25,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:07:25,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:25,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:25,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:25,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183544585] [2025-03-17 15:07:25,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:25,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293108689] [2025-03-17 15:07:25,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293108689] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:25,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:25,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:07:25,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793023637] [2025-03-17 15:07:25,795 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:25,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:07:25,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:25,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:07:25,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:07:25,796 INFO L87 Difference]: Start difference. First operand 614 states and 751 transitions. Second operand has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 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) [2025-03-17 15:07:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:26,597 INFO L93 Difference]: Finished difference Result 717 states and 876 transitions. [2025-03-17 15:07:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 15:07:26,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 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 60 [2025-03-17 15:07:26,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:26,599 INFO L225 Difference]: With dead ends: 717 [2025-03-17 15:07:26,599 INFO L226 Difference]: Without dead ends: 715 [2025-03-17 15:07:26,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:07:26,599 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 398 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:26,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 442 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:07:26,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-03-17 15:07:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 625. [2025-03-17 15:07:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 578 states have (on average 1.2906574394463668) internal successors, (746), 609 states have internal predecessors, (746), 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) [2025-03-17 15:07:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 768 transitions. [2025-03-17 15:07:26,615 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 768 transitions. Word has length 60 [2025-03-17 15:07:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:26,615 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 768 transitions. [2025-03-17 15:07:26,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.384615384615385) internal successors, (109), 14 states have internal predecessors, (109), 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) [2025-03-17 15:07:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 768 transitions. [2025-03-17 15:07:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:07:26,615 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:26,615 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] [2025-03-17 15:07:26,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:26,815 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 [2025-03-17 15:07:26,816 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:26,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:26,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1674337726, now seen corresponding path program 1 times [2025-03-17 15:07:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:26,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787208197] [2025-03-17 15:07:26,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:26,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:26,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:07:26,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:07:26,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:26,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:26,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787208197] [2025-03-17 15:07:26,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787208197] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313720789] [2025-03-17 15:07:26,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:26,869 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) [2025-03-17 15:07:26,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:07:26,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:07:26,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:07:26,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:26,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:26,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:07:26,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:26,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:27,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313720789] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:27,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:27,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-17 15:07:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770150311] [2025-03-17 15:07:27,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:27,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:07:27,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:27,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:07:27,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:07:27,082 INFO L87 Difference]: Start difference. First operand 625 states and 768 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 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) [2025-03-17 15:07:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:27,335 INFO L93 Difference]: Finished difference Result 826 states and 1034 transitions. [2025-03-17 15:07:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:07:27,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 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 61 [2025-03-17 15:07:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:27,338 INFO L225 Difference]: With dead ends: 826 [2025-03-17 15:07:27,338 INFO L226 Difference]: Without dead ends: 824 [2025-03-17 15:07:27,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:07:27,339 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 315 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:27,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 219 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:27,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-03-17 15:07:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 790. [2025-03-17 15:07:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 740 states have (on average 1.3148648648648649) internal successors, (973), 771 states have internal predecessors, (973), 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) [2025-03-17 15:07:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1001 transitions. [2025-03-17 15:07:27,358 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1001 transitions. Word has length 61 [2025-03-17 15:07:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:27,358 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1001 transitions. [2025-03-17 15:07:27,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 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) [2025-03-17 15:07:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1001 transitions. [2025-03-17 15:07:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 15:07:27,358 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:27,358 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] [2025-03-17 15:07:27,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:27,559 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,SelfDestructingSolverStorable44 [2025-03-17 15:07:27,559 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:27,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:27,559 INFO L85 PathProgramCache]: Analyzing trace with hash 364862006, now seen corresponding path program 1 times [2025-03-17 15:07:27,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:27,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284282027] [2025-03-17 15:07:27,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:27,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:07:27,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:07:27,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:27,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:27,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:27,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284282027] [2025-03-17 15:07:27,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284282027] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:07:27,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:07:27,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:07:27,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570864605] [2025-03-17 15:07:27,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:07:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:07:27,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:27,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:07:27,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:07:27,605 INFO L87 Difference]: Start difference. First operand 790 states and 1001 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2025-03-17 15:07:27,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:27,810 INFO L93 Difference]: Finished difference Result 1074 states and 1384 transitions. [2025-03-17 15:07:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:07:27,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 62 [2025-03-17 15:07:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:27,813 INFO L225 Difference]: With dead ends: 1074 [2025-03-17 15:07:27,813 INFO L226 Difference]: Without dead ends: 1072 [2025-03-17 15:07:27,814 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 [2025-03-17 15:07:27,814 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 90 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:27,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 304 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2025-03-17 15:07:27,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 992. [2025-03-17 15:07:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 937 states have (on average 1.3383137673425827) internal successors, (1254), 968 states have internal predecessors, (1254), 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) [2025-03-17 15:07:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1292 transitions. [2025-03-17 15:07:27,851 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1292 transitions. Word has length 62 [2025-03-17 15:07:27,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:27,851 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1292 transitions. [2025-03-17 15:07:27,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2025-03-17 15:07:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1292 transitions. [2025-03-17 15:07:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 15:07:27,851 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:27,851 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] [2025-03-17 15:07:27,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-03-17 15:07:27,851 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:27,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1574179652, now seen corresponding path program 1 times [2025-03-17 15:07:27,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:27,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478546091] [2025-03-17 15:07:27,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:27,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:27,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 15:07:27,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 15:07:27,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:27,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:27,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591638932] [2025-03-17 15:07:27,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:27,864 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) [2025-03-17 15:07:27,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:07:27,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 15:07:27,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 15:07:27,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:27,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:27,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:07:27,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:28,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:07:28,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:28,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478546091] [2025-03-17 15:07:28,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:28,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591638932] [2025-03-17 15:07:28,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591638932] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:28,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:28,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2025-03-17 15:07:28,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935483607] [2025-03-17 15:07:28,330 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:28,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:07:28,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:28,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:07:28,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:07:28,331 INFO L87 Difference]: Start difference. First operand 992 states and 1292 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 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) [2025-03-17 15:07:29,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:29,584 INFO L93 Difference]: Finished difference Result 1033 states and 1341 transitions. [2025-03-17 15:07:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 15:07:29,585 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 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 63 [2025-03-17 15:07:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:29,587 INFO L225 Difference]: With dead ends: 1033 [2025-03-17 15:07:29,587 INFO L226 Difference]: Without dead ends: 1007 [2025-03-17 15:07:29,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:07:29,588 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 355 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:29,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 206 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:07:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2025-03-17 15:07:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 977. [2025-03-17 15:07:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 922 states have (on average 1.3394793926247288) internal successors, (1235), 953 states have internal predecessors, (1235), 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) [2025-03-17 15:07:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1273 transitions. [2025-03-17 15:07:29,626 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1273 transitions. Word has length 63 [2025-03-17 15:07:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:29,627 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1273 transitions. [2025-03-17 15:07:29,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 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) [2025-03-17 15:07:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1273 transitions. [2025-03-17 15:07:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 15:07:29,627 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:29,627 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:07:29,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-17 15:07:29,827 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 [2025-03-17 15:07:29,827 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:29,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1494045045, now seen corresponding path program 1 times [2025-03-17 15:07:29,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:29,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427677257] [2025-03-17 15:07:29,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:29,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 15:07:29,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 15:07:29,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:29,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:29,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427677257] [2025-03-17 15:07:29,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427677257] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096064195] [2025-03-17 15:07:29,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:29,863 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) [2025-03-17 15:07:29,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:07:29,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 15:07:29,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 15:07:29,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:29,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:29,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:07:29,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:29,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:30,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096064195] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:30,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:30,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-03-17 15:07:30,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005674327] [2025-03-17 15:07:30,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:30,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:07:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:30,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:07:30,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:07:30,071 INFO L87 Difference]: Start difference. First operand 977 states and 1273 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 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) [2025-03-17 15:07:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:30,329 INFO L93 Difference]: Finished difference Result 1013 states and 1297 transitions. [2025-03-17 15:07:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:07:30,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 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 64 [2025-03-17 15:07:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:30,332 INFO L225 Difference]: With dead ends: 1013 [2025-03-17 15:07:30,332 INFO L226 Difference]: Without dead ends: 1011 [2025-03-17 15:07:30,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:30,332 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 160 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:30,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 263 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-03-17 15:07:30,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 981. [2025-03-17 15:07:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 926 states have (on average 1.326133909287257) internal successors, (1228), 957 states have internal predecessors, (1228), 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) [2025-03-17 15:07:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1266 transitions. [2025-03-17 15:07:30,360 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1266 transitions. Word has length 64 [2025-03-17 15:07:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:30,360 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1266 transitions. [2025-03-17 15:07:30,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 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) [2025-03-17 15:07:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1266 transitions. [2025-03-17 15:07:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 15:07:30,360 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:30,360 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] [2025-03-17 15:07:30,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-03-17 15:07:30,561 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 [2025-03-17 15:07:30,561 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:30,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:30,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1258213107, now seen corresponding path program 1 times [2025-03-17 15:07:30,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720008962] [2025-03-17 15:07:30,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:30,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:30,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 15:07:30,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 15:07:30,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:30,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:30,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800576040] [2025-03-17 15:07:30,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:30,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:30,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:30,571 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) [2025-03-17 15:07:30,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:07:30,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 15:07:30,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 15:07:30,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:30,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:30,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:07:30,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:30,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:07:31,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:31,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720008962] [2025-03-17 15:07:31,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:31,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800576040] [2025-03-17 15:07:31,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800576040] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:31,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:31,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-17 15:07:31,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202042061] [2025-03-17 15:07:31,036 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:31,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:07:31,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:31,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:07:31,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:07:31,037 INFO L87 Difference]: Start difference. First operand 981 states and 1266 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 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) [2025-03-17 15:07:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:32,460 INFO L93 Difference]: Finished difference Result 1028 states and 1320 transitions. [2025-03-17 15:07:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-17 15:07:32,461 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 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 [2025-03-17 15:07:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:32,463 INFO L225 Difference]: With dead ends: 1028 [2025-03-17 15:07:32,463 INFO L226 Difference]: Without dead ends: 1025 [2025-03-17 15:07:32,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:07:32,463 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 284 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:32,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 251 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:07:32,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2025-03-17 15:07:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 986. [2025-03-17 15:07:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 932 states have (on average 1.3165236051502145) internal successors, (1227), 962 states have internal predecessors, (1227), 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) [2025-03-17 15:07:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1265 transitions. [2025-03-17 15:07:32,493 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1265 transitions. Word has length 66 [2025-03-17 15:07:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:32,493 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1265 transitions. [2025-03-17 15:07:32,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 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) [2025-03-17 15:07:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1265 transitions. [2025-03-17 15:07:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 15:07:32,493 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:32,494 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] [2025-03-17 15:07:32,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:32,694 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 [2025-03-17 15:07:32,694 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:32,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:32,695 INFO L85 PathProgramCache]: Analyzing trace with hash 684073319, now seen corresponding path program 1 times [2025-03-17 15:07:32,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:32,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340218206] [2025-03-17 15:07:32,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:32,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:32,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:07:32,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:07:32,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:32,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:32,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:32,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340218206] [2025-03-17 15:07:32,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340218206] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:32,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355191730] [2025-03-17 15:07:32,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:32,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:32,735 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) [2025-03-17 15:07:32,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:07:32,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:07:32,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:07:32,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:32,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:32,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:32,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:32,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355191730] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:32,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-17 15:07:32,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859210259] [2025-03-17 15:07:32,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:32,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:07:32,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:32,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:07:32,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:07:32,991 INFO L87 Difference]: Start difference. First operand 986 states and 1265 transitions. Second operand has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 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) [2025-03-17 15:07:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:33,237 INFO L93 Difference]: Finished difference Result 1325 states and 1698 transitions. [2025-03-17 15:07:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:07:33,238 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 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 73 [2025-03-17 15:07:33,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:33,241 INFO L225 Difference]: With dead ends: 1325 [2025-03-17 15:07:33,241 INFO L226 Difference]: Without dead ends: 1324 [2025-03-17 15:07:33,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:33,241 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 466 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:33,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 273 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:07:33,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2025-03-17 15:07:33,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1191. [2025-03-17 15:07:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1161 states have internal predecessors, (1493), 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) [2025-03-17 15:07:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1543 transitions. [2025-03-17 15:07:33,285 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1543 transitions. Word has length 73 [2025-03-17 15:07:33,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:33,285 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1543 transitions. [2025-03-17 15:07:33,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 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) [2025-03-17 15:07:33,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1543 transitions. [2025-03-17 15:07:33,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-17 15:07:33,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:33,286 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] [2025-03-17 15:07:33,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-17 15:07:33,486 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 [2025-03-17 15:07:33,486 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)] === [2025-03-17 15:07:33,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:33,486 INFO L85 PathProgramCache]: Analyzing trace with hash 969286573, now seen corresponding path program 1 times [2025-03-17 15:07:33,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:33,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652298780] [2025-03-17 15:07:33,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:33,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:07:33,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:07:33,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:33,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:33,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652298780] [2025-03-17 15:07:33,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652298780] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898072476] [2025-03-17 15:07:33,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:33,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:33,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:33,524 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) [2025-03-17 15:07:33,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:07:33,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:07:33,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:07:33,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:33,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:33,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:07:33,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:33,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:33,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898072476] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:33,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:33,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-17 15:07:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542327293] [2025-03-17 15:07:33,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:33,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:07:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:33,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:07:33,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:07:33,820 INFO L87 Difference]: Start difference. First operand 1191 states and 1543 transitions. Second operand has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 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) [2025-03-17 15:07:34,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:34,288 INFO L93 Difference]: Finished difference Result 1663 states and 2150 transitions. [2025-03-17 15:07:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:07:34,289 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 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 76 [2025-03-17 15:07:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:34,292 INFO L225 Difference]: With dead ends: 1663 [2025-03-17 15:07:34,292 INFO L226 Difference]: Without dead ends: 1662 [2025-03-17 15:07:34,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:07:34,292 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 336 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:34,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 649 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:07:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2025-03-17 15:07:34,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1449. [2025-03-17 15:07:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1381 states have (on average 1.329471397538016) internal successors, (1836), 1411 states have internal predecessors, (1836), 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) [2025-03-17 15:07:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1902 transitions. [2025-03-17 15:07:34,343 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1902 transitions. Word has length 76 [2025-03-17 15:07:34,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:34,343 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1902 transitions. [2025-03-17 15:07:34,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 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) [2025-03-17 15:07:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1902 transitions. [2025-03-17 15:07:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 15:07:34,344 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:34,344 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] [2025-03-17 15:07:34,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:34,544 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 [2025-03-17 15:07:34,544 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:34,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1746400854, now seen corresponding path program 1 times [2025-03-17 15:07:34,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:34,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358890025] [2025-03-17 15:07:34,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:34,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:07:34,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:07:34,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:34,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:34,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:34,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358890025] [2025-03-17 15:07:34,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358890025] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:34,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347363865] [2025-03-17 15:07:34,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:34,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:34,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:34,611 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) [2025-03-17 15:07:34,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:07:34,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:07:34,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:07:34,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:34,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:34,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:07:34,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:34,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:35,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347363865] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:35,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:35,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2025-03-17 15:07:35,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743506857] [2025-03-17 15:07:35,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:35,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:07:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:35,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:07:35,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:35,097 INFO L87 Difference]: Start difference. First operand 1449 states and 1902 transitions. Second operand has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 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) [2025-03-17 15:07:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:35,725 INFO L93 Difference]: Finished difference Result 1635 states and 2119 transitions. [2025-03-17 15:07:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:07:35,725 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 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 80 [2025-03-17 15:07:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:35,729 INFO L225 Difference]: With dead ends: 1635 [2025-03-17 15:07:35,729 INFO L226 Difference]: Without dead ends: 1634 [2025-03-17 15:07:35,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 15:07:35,729 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 802 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:35,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 518 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:07:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2025-03-17 15:07:35,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1505. [2025-03-17 15:07:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3289198606271777) internal successors, (1907), 1465 states have internal predecessors, (1907), 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) [2025-03-17 15:07:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1977 transitions. [2025-03-17 15:07:35,784 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1977 transitions. Word has length 80 [2025-03-17 15:07:35,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:35,784 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1977 transitions. [2025-03-17 15:07:35,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.294117647058824) internal successors, (209), 18 states have internal predecessors, (209), 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) [2025-03-17 15:07:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1977 transitions. [2025-03-17 15:07:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-17 15:07:35,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:35,785 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] [2025-03-17 15:07:35,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:35,985 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 [2025-03-17 15:07:35,986 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:35,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash 908349525, now seen corresponding path program 1 times [2025-03-17 15:07:35,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:35,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283665811] [2025-03-17 15:07:35,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:35,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:35,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-17 15:07:35,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 15:07:35,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:35,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:35,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336547437] [2025-03-17 15:07:35,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:35,998 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) [2025-03-17 15:07:35,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:07:36,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-17 15:07:36,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 15:07:36,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:36,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:36,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:07:36,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:36,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:36,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:36,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283665811] [2025-03-17 15:07:36,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:36,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336547437] [2025-03-17 15:07:36,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336547437] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:36,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:36,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:07:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967084917] [2025-03-17 15:07:36,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:36,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:07:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:36,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:07:36,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:07:36,440 INFO L87 Difference]: Start difference. First operand 1505 states and 1977 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 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) [2025-03-17 15:07:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:37,477 INFO L93 Difference]: Finished difference Result 1513 states and 1978 transitions. [2025-03-17 15:07:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:07:37,478 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 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 [2025-03-17 15:07:37,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:37,481 INFO L225 Difference]: With dead ends: 1513 [2025-03-17 15:07:37,481 INFO L226 Difference]: Without dead ends: 1511 [2025-03-17 15:07:37,484 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 [2025-03-17 15:07:37,485 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 202 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:37,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 711 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:07:37,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2025-03-17 15:07:37,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1505. [2025-03-17 15:07:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3254355400696864) internal successors, (1902), 1465 states have internal predecessors, (1902), 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) [2025-03-17 15:07:37,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1972 transitions. [2025-03-17 15:07:37,556 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1972 transitions. Word has length 81 [2025-03-17 15:07:37,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:37,556 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1972 transitions. [2025-03-17 15:07:37,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 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) [2025-03-17 15:07:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1972 transitions. [2025-03-17 15:07:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-17 15:07:37,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:37,557 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] [2025-03-17 15:07:37,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-03-17 15:07:37,757 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 [2025-03-17 15:07:37,757 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)] === [2025-03-17 15:07:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1905935799, now seen corresponding path program 1 times [2025-03-17 15:07:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:37,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955345712] [2025-03-17 15:07:37,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:37,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:37,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:07:37,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:07:37,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:37,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500287086] [2025-03-17 15:07:37,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:37,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:37,772 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) [2025-03-17 15:07:37,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:07:37,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:07:37,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:07:37,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:37,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:37,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:07:37,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:38,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:38,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:38,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955345712] [2025-03-17 15:07:38,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:38,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500287086] [2025-03-17 15:07:38,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500287086] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:38,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:38,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-17 15:07:38,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755008298] [2025-03-17 15:07:38,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:38,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:07:38,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:38,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:07:38,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:38,244 INFO L87 Difference]: Start difference. First operand 1505 states and 1972 transitions. Second operand has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 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) [2025-03-17 15:07:39,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:39,377 INFO L93 Difference]: Finished difference Result 1509 states and 1973 transitions. [2025-03-17 15:07:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 15:07:39,378 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 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 82 [2025-03-17 15:07:39,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:39,380 INFO L225 Difference]: With dead ends: 1509 [2025-03-17 15:07:39,380 INFO L226 Difference]: Without dead ends: 1508 [2025-03-17 15:07:39,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2025-03-17 15:07:39,381 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 473 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:39,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 419 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:07:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2025-03-17 15:07:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1505. [2025-03-17 15:07:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1435 states have (on average 1.3233449477351917) internal successors, (1899), 1465 states have internal predecessors, (1899), 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) [2025-03-17 15:07:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1969 transitions. [2025-03-17 15:07:39,440 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1969 transitions. Word has length 82 [2025-03-17 15:07:39,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:39,440 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1969 transitions. [2025-03-17 15:07:39,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.647058823529411) internal successors, (147), 18 states have internal predecessors, (147), 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) [2025-03-17 15:07:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1969 transitions. [2025-03-17 15:07:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-17 15:07:39,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:39,441 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] [2025-03-17 15:07:39,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-03-17 15:07:39,645 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 [2025-03-17 15:07:39,645 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:39,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:39,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1040993032, now seen corresponding path program 1 times [2025-03-17 15:07:39,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:39,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840329243] [2025-03-17 15:07:39,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:39,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:07:39,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:07:39,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:39,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:39,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840329243] [2025-03-17 15:07:39,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840329243] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:39,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170725473] [2025-03-17 15:07:39,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:39,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:39,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:39,704 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) [2025-03-17 15:07:39,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:07:39,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:07:39,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:07:39,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:39,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:39,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:07:39,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:39,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170725473] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:39,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:39,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-17 15:07:39,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098655177] [2025-03-17 15:07:39,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:39,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:39,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:39,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:39,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:39,882 INFO L87 Difference]: Start difference. First operand 1505 states and 1969 transitions. Second operand has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 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) [2025-03-17 15:07:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:40,042 INFO L93 Difference]: Finished difference Result 2088 states and 2709 transitions. [2025-03-17 15:07:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:07:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 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 82 [2025-03-17 15:07:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:40,046 INFO L225 Difference]: With dead ends: 2088 [2025-03-17 15:07:40,046 INFO L226 Difference]: Without dead ends: 2087 [2025-03-17 15:07:40,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:07:40,046 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 320 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:40,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 843 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:07:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2025-03-17 15:07:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1847. [2025-03-17 15:07:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1768 states have (on average 1.333710407239819) internal successors, (2358), 1798 states have internal predecessors, (2358), 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) [2025-03-17 15:07:40,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2446 transitions. [2025-03-17 15:07:40,109 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2446 transitions. Word has length 82 [2025-03-17 15:07:40,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:40,109 INFO L471 AbstractCegarLoop]: Abstraction has 1847 states and 2446 transitions. [2025-03-17 15:07:40,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.0) internal successors, (176), 12 states have internal predecessors, (176), 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) [2025-03-17 15:07:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2446 transitions. [2025-03-17 15:07:40,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:07:40,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:40,109 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] [2025-03-17 15:07:40,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:40,314 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 [2025-03-17 15:07:40,314 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:40,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1949850602, now seen corresponding path program 1 times [2025-03-17 15:07:40,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:40,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383817644] [2025-03-17 15:07:40,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:40,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:07:40,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:07:40,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:40,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:40,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383817644] [2025-03-17 15:07:40,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383817644] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:40,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909082875] [2025-03-17 15:07:40,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:40,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:40,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:40,388 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) [2025-03-17 15:07:40,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:07:40,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:07:40,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:07:40,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:40,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:40,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:07:40,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:07:40,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:40,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909082875] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:40,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:40,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2025-03-17 15:07:40,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935251034] [2025-03-17 15:07:40,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:40,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:07:40,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:40,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:07:40,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:07:40,631 INFO L87 Difference]: Start difference. First operand 1847 states and 2446 transitions. Second operand has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 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) [2025-03-17 15:07:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:40,801 INFO L93 Difference]: Finished difference Result 3062 states and 4019 transitions. [2025-03-17 15:07:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 15:07:40,802 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 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 86 [2025-03-17 15:07:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:40,806 INFO L225 Difference]: With dead ends: 3062 [2025-03-17 15:07:40,806 INFO L226 Difference]: Without dead ends: 2872 [2025-03-17 15:07:40,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:07:40,807 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 277 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:40,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 971 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:07:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2872 states. [2025-03-17 15:07:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2872 to 2497. [2025-03-17 15:07:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2402 states have (on average 1.2993338884263115) internal successors, (3121), 2432 states have internal predecessors, (3121), 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) [2025-03-17 15:07:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3237 transitions. [2025-03-17 15:07:40,899 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3237 transitions. Word has length 86 [2025-03-17 15:07:40,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:40,899 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3237 transitions. [2025-03-17 15:07:40,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.941176470588236) internal successors, (169), 17 states have internal predecessors, (169), 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) [2025-03-17 15:07:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3237 transitions. [2025-03-17 15:07:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-17 15:07:40,900 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:40,900 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] [2025-03-17 15:07:40,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:41,100 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 [2025-03-17 15:07:41,100 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:41,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1852567361, now seen corresponding path program 1 times [2025-03-17 15:07:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:41,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879417014] [2025-03-17 15:07:41,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:41,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:07:41,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:07:41,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:41,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:41,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417797615] [2025-03-17 15:07:41,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:41,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:41,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:41,112 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) [2025-03-17 15:07:41,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-17 15:07:41,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:07:41,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:07:41,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:41,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:41,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:07:41,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:41,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:41,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:41,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879417014] [2025-03-17 15:07:41,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:41,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417797615] [2025-03-17 15:07:41,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417797615] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:41,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:41,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-17 15:07:41,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577517495] [2025-03-17 15:07:41,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:41,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:07:41,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:41,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:07:41,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:41,765 INFO L87 Difference]: Start difference. First operand 2497 states and 3237 transitions. Second operand has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 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) [2025-03-17 15:07:43,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:43,217 INFO L93 Difference]: Finished difference Result 2539 states and 3285 transitions. [2025-03-17 15:07:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-17 15:07:43,217 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 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 90 [2025-03-17 15:07:43,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:43,220 INFO L225 Difference]: With dead ends: 2539 [2025-03-17 15:07:43,220 INFO L226 Difference]: Without dead ends: 2538 [2025-03-17 15:07:43,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 15:07:43,221 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 166 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:43,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 586 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:07:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2025-03-17 15:07:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2497. [2025-03-17 15:07:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2402 states have (on average 1.298917568692756) internal successors, (3120), 2432 states have internal predecessors, (3120), 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) [2025-03-17 15:07:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3236 transitions. [2025-03-17 15:07:43,313 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3236 transitions. Word has length 90 [2025-03-17 15:07:43,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:43,313 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3236 transitions. [2025-03-17 15:07:43,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.352941176470589) internal successors, (159), 18 states have internal predecessors, (159), 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) [2025-03-17 15:07:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3236 transitions. [2025-03-17 15:07:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 15:07:43,314 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:43,314 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] [2025-03-17 15:07:43,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:43,514 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 [2025-03-17 15:07:43,514 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:43,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:43,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1595013323, now seen corresponding path program 1 times [2025-03-17 15:07:43,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:43,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656296221] [2025-03-17 15:07:43,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:43,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:07:43,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:07:43,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:43,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:43,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:43,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656296221] [2025-03-17 15:07:43,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656296221] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:43,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985588996] [2025-03-17 15:07:43,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:43,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:43,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:43,595 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) [2025-03-17 15:07:43,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-17 15:07:43,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:07:43,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:07:43,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:43,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:43,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:07:43,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:43,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:44,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985588996] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:44,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:07:44,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2025-03-17 15:07:44,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292778072] [2025-03-17 15:07:44,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:44,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:07:44,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:44,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:07:44,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:07:44,020 INFO L87 Difference]: Start difference. First operand 2497 states and 3236 transitions. Second operand has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 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) [2025-03-17 15:07:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:44,696 INFO L93 Difference]: Finished difference Result 2526 states and 3268 transitions. [2025-03-17 15:07:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 15:07:44,697 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 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 91 [2025-03-17 15:07:44,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:44,700 INFO L225 Difference]: With dead ends: 2526 [2025-03-17 15:07:44,700 INFO L226 Difference]: Without dead ends: 2525 [2025-03-17 15:07:44,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 15:07:44,701 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 217 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:44,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 890 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:07:44,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2025-03-17 15:07:44,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2504. [2025-03-17 15:07:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2409 states have (on average 1.2980489829804898) internal successors, (3127), 2439 states have internal predecessors, (3127), 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) [2025-03-17 15:07:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3243 transitions. [2025-03-17 15:07:44,798 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3243 transitions. Word has length 91 [2025-03-17 15:07:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:44,798 INFO L471 AbstractCegarLoop]: Abstraction has 2504 states and 3243 transitions. [2025-03-17 15:07:44,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.818181818181818) internal successors, (238), 23 states have internal predecessors, (238), 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) [2025-03-17 15:07:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3243 transitions. [2025-03-17 15:07:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 15:07:44,799 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:44,799 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] [2025-03-17 15:07:44,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:44,999 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 [2025-03-17 15:07:44,999 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)] === [2025-03-17 15:07:45,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2020052317, now seen corresponding path program 1 times [2025-03-17 15:07:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042673087] [2025-03-17 15:07:45,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:45,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:07:45,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:07:45,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:45,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:45,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95994960] [2025-03-17 15:07:45,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:45,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:45,012 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) [2025-03-17 15:07:45,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-17 15:07:45,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:07:45,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:07:45,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:45,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:45,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:07:45,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:45,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:45,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:45,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042673087] [2025-03-17 15:07:45,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:45,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95994960] [2025-03-17 15:07:45,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95994960] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:45,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:45,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-03-17 15:07:45,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642129747] [2025-03-17 15:07:45,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:07:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:45,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:07:45,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:07:45,527 INFO L87 Difference]: Start difference. First operand 2504 states and 3243 transitions. Second operand has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 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) [2025-03-17 15:07:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:46,752 INFO L93 Difference]: Finished difference Result 2638 states and 3395 transitions. [2025-03-17 15:07:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 15:07:46,752 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 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 91 [2025-03-17 15:07:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:46,756 INFO L225 Difference]: With dead ends: 2638 [2025-03-17 15:07:46,756 INFO L226 Difference]: Without dead ends: 2636 [2025-03-17 15:07:46,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 15:07:46,757 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 841 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:46,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 562 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:07:46,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2025-03-17 15:07:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2550. [2025-03-17 15:07:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2455 states have (on average 1.2879837067209776) internal successors, (3162), 2485 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) [2025-03-17 15:07:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3278 transitions. [2025-03-17 15:07:46,853 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3278 transitions. Word has length 91 [2025-03-17 15:07:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:46,853 INFO L471 AbstractCegarLoop]: Abstraction has 2550 states and 3278 transitions. [2025-03-17 15:07:46,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.3125) internal successors, (165), 17 states have internal predecessors, (165), 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) [2025-03-17 15:07:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3278 transitions. [2025-03-17 15:07:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:07:46,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:46,854 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] [2025-03-17 15:07:46,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:47,054 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 [2025-03-17 15:07:47,055 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:47,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:47,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2077862903, now seen corresponding path program 1 times [2025-03-17 15:07:47,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:47,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96174545] [2025-03-17 15:07:47,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:47,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:47,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:07:47,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:07:47,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:47,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:47,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889670731] [2025-03-17 15:07:47,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:47,066 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) [2025-03-17 15:07:47,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-17 15:07:47,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:07:47,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:07:47,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:47,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:47,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:07:47,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:47,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:47,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:47,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96174545] [2025-03-17 15:07:47,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:47,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889670731] [2025-03-17 15:07:47,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889670731] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:07:47,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:07:47,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:07:47,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089707285] [2025-03-17 15:07:47,814 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:47,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:07:47,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:47,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:07:47,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2025-03-17 15:07:47,815 INFO L87 Difference]: Start difference. First operand 2550 states and 3278 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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) [2025-03-17 15:07:48,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:48,324 INFO L93 Difference]: Finished difference Result 2574 states and 3304 transitions. [2025-03-17 15:07:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:07:48,324 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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 94 [2025-03-17 15:07:48,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:48,328 INFO L225 Difference]: With dead ends: 2574 [2025-03-17 15:07:48,328 INFO L226 Difference]: Without dead ends: 2572 [2025-03-17 15:07:48,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2025-03-17 15:07:48,329 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 113 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:48,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 914 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:07:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2025-03-17 15:07:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2554. [2025-03-17 15:07:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2459 states have (on average 1.287921919479463) internal successors, (3167), 2489 states have internal predecessors, (3167), 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) [2025-03-17 15:07:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3283 transitions. [2025-03-17 15:07:48,433 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3283 transitions. Word has length 94 [2025-03-17 15:07:48,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:48,433 INFO L471 AbstractCegarLoop]: Abstraction has 2554 states and 3283 transitions. [2025-03-17 15:07:48,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 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) [2025-03-17 15:07:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3283 transitions. [2025-03-17 15:07:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 15:07:48,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:48,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:07:48,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:48,637 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 [2025-03-17 15:07:48,637 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:07:48,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:48,638 INFO L85 PathProgramCache]: Analyzing trace with hash 10759513, now seen corresponding path program 1 times [2025-03-17 15:07:48,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554932556] [2025-03-17 15:07:48,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:48,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:07:48,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:07:48,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:48,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:48,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900086482] [2025-03-17 15:07:48,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:48,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:48,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:48,649 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) [2025-03-17 15:07:48,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-17 15:07:48,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:07:48,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:07:48,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:48,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:48,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 15:07:48,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:49,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:49,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554932556] [2025-03-17 15:07:49,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:49,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900086482] [2025-03-17 15:07:49,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900086482] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:49,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:49,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-17 15:07:49,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406556711] [2025-03-17 15:07:49,589 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:49,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:07:49,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:49,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:07:49,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:07:49,589 INFO L87 Difference]: Start difference. First operand 2554 states and 3283 transitions. Second operand has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 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) [2025-03-17 15:07:52,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:52,662 INFO L93 Difference]: Finished difference Result 2691 states and 3455 transitions. [2025-03-17 15:07:52,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-17 15:07:52,663 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 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 [2025-03-17 15:07:52,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:52,666 INFO L225 Difference]: With dead ends: 2691 [2025-03-17 15:07:52,666 INFO L226 Difference]: Without dead ends: 2687 [2025-03-17 15:07:52,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=491, Invalid=2479, Unknown=0, NotChecked=0, Total=2970 [2025-03-17 15:07:52,667 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 925 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:52,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 574 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-17 15:07:52,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2025-03-17 15:07:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2574. [2025-03-17 15:07:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2479 states have (on average 1.2839854780153288) internal successors, (3183), 2509 states have internal predecessors, (3183), 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) [2025-03-17 15:07:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3299 transitions. [2025-03-17 15:07:52,773 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3299 transitions. Word has length 95 [2025-03-17 15:07:52,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:52,774 INFO L471 AbstractCegarLoop]: Abstraction has 2574 states and 3299 transitions. [2025-03-17 15:07:52,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.238095238095237) internal successors, (173), 22 states have internal predecessors, (173), 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) [2025-03-17 15:07:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3299 transitions. [2025-03-17 15:07:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 15:07:52,775 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:52,775 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] [2025-03-17 15:07:52,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:52,975 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 [2025-03-17 15:07:52,976 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)] === [2025-03-17 15:07:52,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash 544751047, now seen corresponding path program 1 times [2025-03-17 15:07:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:52,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460607287] [2025-03-17 15:07:52,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:52,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:07:52,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:07:52,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:52,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:52,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1170572775] [2025-03-17 15:07:52,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:52,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:52,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:52,986 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) [2025-03-17 15:07:52,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-17 15:07:53,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:07:53,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:07:53,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:53,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:53,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:07:53,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:07:53,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:07:53,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460607287] [2025-03-17 15:07:53,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170572775] [2025-03-17 15:07:53,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170572775] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:53,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:53,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-03-17 15:07:53,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325645232] [2025-03-17 15:07:53,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:53,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-17 15:07:53,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:53,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-17 15:07:53,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:07:53,679 INFO L87 Difference]: Start difference. First operand 2574 states and 3299 transitions. Second operand has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 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) [2025-03-17 15:07:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:55,060 INFO L93 Difference]: Finished difference Result 2592 states and 3317 transitions. [2025-03-17 15:07:55,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-17 15:07:55,060 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 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 95 [2025-03-17 15:07:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:55,063 INFO L225 Difference]: With dead ends: 2592 [2025-03-17 15:07:55,064 INFO L226 Difference]: Without dead ends: 2568 [2025-03-17 15:07:55,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2025-03-17 15:07:55,064 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 271 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:55,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 701 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:07:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2025-03-17 15:07:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2565. [2025-03-17 15:07:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2470 states have (on average 1.28582995951417) internal successors, (3176), 2500 states have internal predecessors, (3176), 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) [2025-03-17 15:07:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3292 transitions. [2025-03-17 15:07:55,155 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3292 transitions. Word has length 95 [2025-03-17 15:07:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:55,155 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3292 transitions. [2025-03-17 15:07:55,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.25) internal successors, (174), 25 states have internal predecessors, (174), 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) [2025-03-17 15:07:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3292 transitions. [2025-03-17 15:07:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:07:55,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:55,156 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] [2025-03-17 15:07:55,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-03-17 15:07:55,356 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 [2025-03-17 15:07:55,357 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)] === [2025-03-17 15:07:55,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:55,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1891028730, now seen corresponding path program 1 times [2025-03-17 15:07:55,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:55,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11550661] [2025-03-17 15:07:55,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:55,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:55,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:07:55,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:07:55,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:55,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740502296] [2025-03-17 15:07:55,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:55,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:55,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:55,377 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) [2025-03-17 15:07:55,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-17 15:07:55,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:07:55,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:07:55,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:55,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:55,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:07:55,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:55,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11550661] [2025-03-17 15:07:56,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740502296] [2025-03-17 15:07:56,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740502296] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:56,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:56,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-17 15:07:56,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832032874] [2025-03-17 15:07:56,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:56,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:07:56,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:56,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:07:56,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:07:56,044 INFO L87 Difference]: Start difference. First operand 2565 states and 3292 transitions. Second operand has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 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) [2025-03-17 15:07:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:07:58,541 INFO L93 Difference]: Finished difference Result 2609 states and 3339 transitions. [2025-03-17 15:07:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-17 15:07:58,542 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 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 96 [2025-03-17 15:07:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:07:58,546 INFO L225 Difference]: With dead ends: 2609 [2025-03-17 15:07:58,546 INFO L226 Difference]: Without dead ends: 2606 [2025-03-17 15:07:58,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2025-03-17 15:07:58,547 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 814 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:07:58,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 402 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-17 15:07:58,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2025-03-17 15:07:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2575. [2025-03-17 15:07:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 2480 states have (on average 1.2834677419354839) internal successors, (3183), 2510 states have internal predecessors, (3183), 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) [2025-03-17 15:07:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3299 transitions. [2025-03-17 15:07:58,646 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3299 transitions. Word has length 96 [2025-03-17 15:07:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:07:58,646 INFO L471 AbstractCegarLoop]: Abstraction has 2575 states and 3299 transitions. [2025-03-17 15:07:58,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.294117647058824) internal successors, (175), 18 states have internal predecessors, (175), 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) [2025-03-17 15:07:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3299 transitions. [2025-03-17 15:07:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:07:58,647 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:07:58,647 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] [2025-03-17 15:07:58,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-03-17 15:07:58,848 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 [2025-03-17 15:07:58,848 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)] === [2025-03-17 15:07:58,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:07:58,848 INFO L85 PathProgramCache]: Analyzing trace with hash 333544967, now seen corresponding path program 1 times [2025-03-17 15:07:58,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:07:58,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312324884] [2025-03-17 15:07:58,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:58,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:07:58,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:07:58,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:07:58,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:58,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:07:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096983532] [2025-03-17 15:07:58,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:07:58,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:07:58,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:07:58,859 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) [2025-03-17 15:07:58,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-17 15:07:58,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:07:58,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:07:58,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:07:58,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:07:58,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 15:07:58,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:07:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:59,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:07:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:07:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:07:59,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312324884] [2025-03-17 15:07:59,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:07:59,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096983532] [2025-03-17 15:07:59,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096983532] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:07:59,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:07:59,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2025-03-17 15:07:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740965229] [2025-03-17 15:07:59,725 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:07:59,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:07:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:07:59,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:07:59,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:07:59,725 INFO L87 Difference]: Start difference. First operand 2575 states and 3299 transitions. Second operand has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 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) [2025-03-17 15:08:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:03,568 INFO L93 Difference]: Finished difference Result 2685 states and 3442 transitions. [2025-03-17 15:08:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-17 15:08:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 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 96 [2025-03-17 15:08:03,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:03,570 INFO L225 Difference]: With dead ends: 2685 [2025-03-17 15:08:03,570 INFO L226 Difference]: Without dead ends: 2683 [2025-03-17 15:08:03,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=554, Invalid=2752, Unknown=0, NotChecked=0, Total=3306 [2025-03-17 15:08:03,571 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 672 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:03,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 603 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-17 15:08:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2025-03-17 15:08:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2576. [2025-03-17 15:08:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2576 states, 2481 states have (on average 1.2813381700927045) internal successors, (3179), 2511 states have internal predecessors, (3179), 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) [2025-03-17 15:08:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3295 transitions. [2025-03-17 15:08:03,663 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3295 transitions. Word has length 96 [2025-03-17 15:08:03,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:03,663 INFO L471 AbstractCegarLoop]: Abstraction has 2576 states and 3295 transitions. [2025-03-17 15:08:03,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 23 states have internal predecessors, (175), 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) [2025-03-17 15:08:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3295 transitions. [2025-03-17 15:08:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 15:08:03,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:03,664 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 15:08:03,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-17 15:08:03,864 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 [2025-03-17 15:08:03,864 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:08:03,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:08:03,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1495558970, now seen corresponding path program 2 times [2025-03-17 15:08:03,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:08:03,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608524545] [2025-03-17 15:08:03,865 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:08:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:08:03,868 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-03-17 15:08:03,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 15:08:03,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:08:03,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:08:03,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862025501] [2025-03-17 15:08:03,879 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:08:03,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:08:03,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:03,881 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) [2025-03-17 15:08:03,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-17 15:08:03,901 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-03-17 15:08:03,919 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 15:08:03,919 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:08:03,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:03,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:08:03,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:08:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:08:04,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:08:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:08:04,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:08:04,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608524545] [2025-03-17 15:08:04,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:08:04,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862025501] [2025-03-17 15:08:04,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862025501] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:08:04,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:08:04,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-17 15:08:04,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078096123] [2025-03-17 15:08:04,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:08:04,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:08:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:08:04,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:08:04,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:08:04,458 INFO L87 Difference]: Start difference. First operand 2576 states and 3295 transitions. Second operand has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 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) [2025-03-17 15:08:05,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:05,842 INFO L93 Difference]: Finished difference Result 2695 states and 3424 transitions. [2025-03-17 15:08:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-17 15:08:05,843 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 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 98 [2025-03-17 15:08:05,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:05,845 INFO L225 Difference]: With dead ends: 2695 [2025-03-17 15:08:05,845 INFO L226 Difference]: Without dead ends: 2691 [2025-03-17 15:08:05,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2025-03-17 15:08:05,846 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 619 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:05,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 686 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:08:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2025-03-17 15:08:05,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2585. [2025-03-17 15:08:05,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2490 states have (on average 1.272289156626506) internal successors, (3168), 2520 states have internal predecessors, (3168), 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) [2025-03-17 15:08:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3284 transitions. [2025-03-17 15:08:05,942 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3284 transitions. Word has length 98 [2025-03-17 15:08:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:05,942 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3284 transitions. [2025-03-17 15:08:05,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.210526315789474) internal successors, (175), 20 states have internal predecessors, (175), 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) [2025-03-17 15:08:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3284 transitions. [2025-03-17 15:08:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:08:05,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:05,943 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:08:05,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-03-17 15:08:06,143 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 [2025-03-17 15:08:06,144 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:08:06,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:08:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1551211027, now seen corresponding path program 1 times [2025-03-17 15:08:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:08:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84689150] [2025-03-17 15:08:06,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:08:06,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:08:06,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:08:06,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:06,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:08:06,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645640589] [2025-03-17 15:08:06,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:06,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:08:06,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:06,154 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) [2025-03-17 15:08:06,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-17 15:08:06,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:08:06,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:08:06,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:06,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:06,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:08:06,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:08:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:08:08,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:08:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:08:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84689150] [2025-03-17 15:08:10,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:08:10,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645640589] [2025-03-17 15:08:10,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645640589] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:08:10,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:08:10,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-03-17 15:08:10,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050065108] [2025-03-17 15:08:10,760 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:08:10,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:08:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:08:10,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:08:10,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:08:10,760 INFO L87 Difference]: Start difference. First operand 2585 states and 3284 transitions. Second operand has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:08:13,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:13,446 INFO L93 Difference]: Finished difference Result 2611 states and 3297 transitions. [2025-03-17 15:08:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:08:13,446 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 101 [2025-03-17 15:08:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:13,448 INFO L225 Difference]: With dead ends: 2611 [2025-03-17 15:08:13,448 INFO L226 Difference]: Without dead ends: 2607 [2025-03-17 15:08:13,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=187, Invalid=1003, Unknown=0, NotChecked=0, Total=1190 [2025-03-17 15:08:13,449 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 244 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 2015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:13,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 983 Invalid, 2015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:08:13,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2025-03-17 15:08:13,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2585. [2025-03-17 15:08:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2490 states have (on average 1.2666666666666666) internal successors, (3154), 2520 states have internal predecessors, (3154), 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) [2025-03-17 15:08:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3270 transitions. [2025-03-17 15:08:13,548 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3270 transitions. Word has length 101 [2025-03-17 15:08:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:13,549 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3270 transitions. [2025-03-17 15:08:13,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.928571428571429) internal successors, (97), 15 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:08:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3270 transitions. [2025-03-17 15:08:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 15:08:13,549 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:13,549 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] [2025-03-17 15:08:13,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-03-17 15:08:13,749 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 [2025-03-17 15:08:13,750 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:08:13,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:08:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash -508709807, now seen corresponding path program 1 times [2025-03-17 15:08:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:08:13,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309517923] [2025-03-17 15:08:13,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:08:13,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:08:13,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:08:13,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:13,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:08:13,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450656494] [2025-03-17 15:08:13,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:13,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:08:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:13,763 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) [2025-03-17 15:08:13,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-17 15:08:13,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:08:13,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:08:13,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:13,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:13,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:08:13,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:08:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:08:14,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:08:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-17 15:08:14,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:08:14,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309517923] [2025-03-17 15:08:14,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:08:14,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450656494] [2025-03-17 15:08:14,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450656494] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:08:14,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:08:14,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2025-03-17 15:08:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888046928] [2025-03-17 15:08:14,391 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:08:14,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:08:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:08:14,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:08:14,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:08:14,392 INFO L87 Difference]: Start difference. First operand 2585 states and 3270 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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) [2025-03-17 15:08:15,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:15,991 INFO L93 Difference]: Finished difference Result 2624 states and 3319 transitions. [2025-03-17 15:08:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-17 15:08:15,992 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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 103 [2025-03-17 15:08:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:15,994 INFO L225 Difference]: With dead ends: 2624 [2025-03-17 15:08:15,994 INFO L226 Difference]: Without dead ends: 2623 [2025-03-17 15:08:15,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:08:15,994 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 326 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:15,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 350 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2276 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 15:08:15,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2025-03-17 15:08:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2584. [2025-03-17 15:08:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2490 states have (on average 1.2477911646586346) internal successors, (3107), 2519 states have internal predecessors, (3107), 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) [2025-03-17 15:08:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3223 transitions. [2025-03-17 15:08:16,096 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3223 transitions. Word has length 103 [2025-03-17 15:08:16,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:16,096 INFO L471 AbstractCegarLoop]: Abstraction has 2584 states and 3223 transitions. [2025-03-17 15:08:16,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 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) [2025-03-17 15:08:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3223 transitions. [2025-03-17 15:08:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 15:08:16,097 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:16,097 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 15:08:16,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-03-17 15:08:16,297 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 [2025-03-17 15:08:16,297 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:08:16,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:08:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1762269386, now seen corresponding path program 1 times [2025-03-17 15:08:16,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:08:16,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850850265] [2025-03-17 15:08:16,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:16,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:08:16,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 15:08:16,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 15:08:16,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:16,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:08:16,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710939121] [2025-03-17 15:08:16,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:16,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:08:16,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:16,308 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) [2025-03-17 15:08:16,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-17 15:08:16,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 15:08:16,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 15:08:16,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:16,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:16,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 15:08:16,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:08:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:08:16,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:08:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:08:17,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:08:17,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850850265] [2025-03-17 15:08:17,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:08:17,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710939121] [2025-03-17 15:08:17,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710939121] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:08:17,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:08:17,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2025-03-17 15:08:17,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204084389] [2025-03-17 15:08:17,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:08:17,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-03-17 15:08:17,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:08:17,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-03-17 15:08:17,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:08:17,929 INFO L87 Difference]: Start difference. First operand 2584 states and 3223 transitions. Second operand has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 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) [2025-03-17 15:08:23,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-03-17 15:08:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:25,431 INFO L93 Difference]: Finished difference Result 2787 states and 3469 transitions. [2025-03-17 15:08:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-03-17 15:08:25,432 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 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 105 [2025-03-17 15:08:25,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:25,434 INFO L225 Difference]: With dead ends: 2787 [2025-03-17 15:08:25,434 INFO L226 Difference]: Without dead ends: 2784 [2025-03-17 15:08:25,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=987, Invalid=5655, Unknown=0, NotChecked=0, Total=6642 [2025-03-17 15:08:25,435 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 794 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:25,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 961 Invalid, 3765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 3727 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-03-17 15:08:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2025-03-17 15:08:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2643. [2025-03-17 15:08:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2548 states have (on average 1.2456828885400315) internal successors, (3174), 2577 states have internal predecessors, (3174), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-03-17 15:08:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3292 transitions. [2025-03-17 15:08:25,552 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3292 transitions. Word has length 105 [2025-03-17 15:08:25,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:25,552 INFO L471 AbstractCegarLoop]: Abstraction has 2643 states and 3292 transitions. [2025-03-17 15:08:25,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.892857142857143) internal successors, (193), 29 states have internal predecessors, (193), 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) [2025-03-17 15:08:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3292 transitions. [2025-03-17 15:08:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-17 15:08:25,553 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:25,553 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] [2025-03-17 15:08:25,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-03-17 15:08:25,753 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 [2025-03-17 15:08:25,753 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-03-17 15:08:25,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:08:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1810245095, now seen corresponding path program 1 times [2025-03-17 15:08:25,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:08:25,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708732967] [2025-03-17 15:08:25,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:25,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:08:25,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-17 15:08:25,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-17 15:08:25,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:25,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:08:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:08:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708732967] [2025-03-17 15:08:25,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708732967] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:08:25,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382863188] [2025-03-17 15:08:25,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:08:25,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:08:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:25,960 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) [2025-03-17 15:08:25,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-17 15:08:25,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-17 15:08:26,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-17 15:08:26,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:08:26,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:08:26,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:08:26,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:08:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:08:26,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:08:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:08:26,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382863188] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:08:26,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:08:26,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-03-17 15:08:26,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126043417] [2025-03-17 15:08:26,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:08:26,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-17 15:08:26,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:08:26,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-17 15:08:26,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2025-03-17 15:08:26,815 INFO L87 Difference]: Start difference. First operand 2643 states and 3292 transitions. Second operand has 26 states, 26 states have (on average 10.923076923076923) internal successors, (284), 26 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:08:28,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:08:28,062 INFO L93 Difference]: Finished difference Result 2701 states and 3353 transitions. [2025-03-17 15:08:28,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-17 15:08:28,063 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.923076923076923) internal successors, (284), 26 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 116 [2025-03-17 15:08:28,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:08:28,065 INFO L225 Difference]: With dead ends: 2701 [2025-03-17 15:08:28,065 INFO L226 Difference]: Without dead ends: 2628 [2025-03-17 15:08:28,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=311, Invalid=1945, Unknown=0, NotChecked=0, Total=2256 [2025-03-17 15:08:28,066 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 142 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:08:28,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1047 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:08:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2025-03-17 15:08:28,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2625. [2025-03-17 15:08:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2530 states have (on average 1.2446640316205533) internal successors, (3149), 2559 states have internal predecessors, (3149), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-03-17 15:08:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3267 transitions. [2025-03-17 15:08:28,187 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3267 transitions. Word has length 116 [2025-03-17 15:08:28,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:08:28,187 INFO L471 AbstractCegarLoop]: Abstraction has 2625 states and 3267 transitions. [2025-03-17 15:08:28,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.923076923076923) internal successors, (284), 26 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:08:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3267 transitions. [2025-03-17 15:08:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 15:08:28,188 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:08:28,188 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] [2025-03-17 15:08:28,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0