./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/mlceu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/mlceu.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 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:22:43,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:22:43,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:22:43,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:22:43,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:22:43,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:22:43,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:22:43,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:22:43,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:22:43,336 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:22:43,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:22:43,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:22:43,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:22:43,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:22:43,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:22:43,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:22:43,339 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:22:43,340 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:22:43,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:22:43,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:22:43,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:22:43,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:22:43,341 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 -> 0d3cc2e7af8cdfad5003daafcde8bd8bcf193cd0b5d066a7a9bad715ddc9d422 [2025-03-04 10:22:43,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:22:43,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:22:43,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:22:43,586 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:22:43,587 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:22:43,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/mlceu.c [2025-03-04 10:22:44,725 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09431d1c5/d5968d1830c942cf8279c76d47c9e9e2/FLAGfa6e67d4c [2025-03-04 10:22:44,919 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:22:44,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/mlceu.c [2025-03-04 10:22:44,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09431d1c5/d5968d1830c942cf8279c76d47c9e9e2/FLAGfa6e67d4c [2025-03-04 10:22:44,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09431d1c5/d5968d1830c942cf8279c76d47c9e9e2 [2025-03-04 10:22:44,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:22:44,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:22:44,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:22:44,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:22:44,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:22:44,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:22:44" (1/1) ... [2025-03-04 10:22:44,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0c55b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:44, skipping insertion in model container [2025-03-04 10:22:44,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:22:44" (1/1) ... [2025-03-04 10:22:44,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:22:45,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:22:45,078 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:22:45,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:22:45,104 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:22:45,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45 WrapperNode [2025-03-04 10:22:45,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:22:45,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:22:45,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:22:45,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:22:45,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,124 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2025-03-04 10:22:45,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:22:45,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:22:45,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:22:45,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:22:45,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,139 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 8, 3]. 62 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 2 writes are split as follows [0, 0, 2]. [2025-03-04 10:22:45,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:22:45,145 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:22:45,145 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:22:45,145 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:22:45,146 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (1/1) ... [2025-03-04 10:22:45,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:22:45,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:45,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 10:22:45,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 10:22:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:22:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 10:22:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 10:22:45,234 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:22:45,236 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:22:45,364 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-04 10:22:45,364 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:22:45,373 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:22:45,375 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:22:45,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:45 BoogieIcfgContainer [2025-03-04 10:22:45,375 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:22:45,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:22:45,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:22:45,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:22:45,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:22:44" (1/3) ... [2025-03-04 10:22:45,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55307533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:22:45, skipping insertion in model container [2025-03-04 10:22:45,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:45" (2/3) ... [2025-03-04 10:22:45,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55307533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:22:45, skipping insertion in model container [2025-03-04 10:22:45,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:45" (3/3) ... [2025-03-04 10:22:45,383 INFO L128 eAbstractionObserver]: Analyzing ICFG mlceu.c [2025-03-04 10:22:45,394 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:22:45,395 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mlceu.c that has 1 procedures, 24 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-04 10:22:45,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:22:45,450 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;@58e346c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:22:45,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 10:22:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 10:22:45,458 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:45,459 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:45,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:45,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash 998910841, now seen corresponding path program 1 times [2025-03-04 10:22:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677717126] [2025-03-04 10:22:45,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:45,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 10:22:45,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 10:22:45,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:45,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:45,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:45,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677717126] [2025-03-04 10:22:45,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677717126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:45,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:45,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:22:45,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638403553] [2025-03-04 10:22:45,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:45,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 10:22:45,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:45,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 10:22:45,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 10:22:45,600 INFO L87 Difference]: Start difference. First operand has 24 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 23 states have internal predecessors, (29), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:45,607 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2025-03-04 10:22:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 10:22:45,608 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2025-03-04 10:22:45,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:45,611 INFO L225 Difference]: With dead ends: 43 [2025-03-04 10:22:45,611 INFO L226 Difference]: Without dead ends: 19 [2025-03-04 10:22:45,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 10:22:45,615 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:45,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:45,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-04 10:22:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-04 10:22:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2025-03-04 10:22:45,635 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2025-03-04 10:22:45,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:45,635 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-03-04 10:22:45,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2025-03-04 10:22:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 10:22:45,636 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:45,636 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:45,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:22:45,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:45,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1027539992, now seen corresponding path program 1 times [2025-03-04 10:22:45,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:45,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614691445] [2025-03-04 10:22:45,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:45,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:45,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 10:22:45,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 10:22:45,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:45,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:45,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:45,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614691445] [2025-03-04 10:22:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614691445] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:45,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:45,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:45,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066769909] [2025-03-04 10:22:45,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:45,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:22:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:45,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:22:45,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:45,742 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:45,781 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2025-03-04 10:22:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:22:45,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2025-03-04 10:22:45,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:45,782 INFO L225 Difference]: With dead ends: 39 [2025-03-04 10:22:45,782 INFO L226 Difference]: Without dead ends: 25 [2025-03-04 10:22:45,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:45,783 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:45,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:45,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-03-04 10:22:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2025-03-04 10:22:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 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) [2025-03-04 10:22:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2025-03-04 10:22:45,786 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2025-03-04 10:22:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:45,786 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2025-03-04 10:22:45,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2025-03-04 10:22:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 10:22:45,787 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:45,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:45,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:22:45,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:45,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1027540953, now seen corresponding path program 1 times [2025-03-04 10:22:45,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:45,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962179379] [2025-03-04 10:22:45,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:45,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 10:22:45,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 10:22:45,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:45,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:45,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:45,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962179379] [2025-03-04 10:22:45,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962179379] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:45,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:45,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:45,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57514060] [2025-03-04 10:22:45,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:45,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:45,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:45,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:45,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:45,861 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:45,896 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2025-03-04 10:22:45,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:45,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-03-04 10:22:45,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:45,896 INFO L225 Difference]: With dead ends: 29 [2025-03-04 10:22:45,897 INFO L226 Difference]: Without dead ends: 27 [2025-03-04 10:22:45,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:45,897 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:45,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-03-04 10:22:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2025-03-04 10:22:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2025-03-04 10:22:45,900 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 9 [2025-03-04 10:22:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:45,900 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-03-04 10:22:45,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2025-03-04 10:22:45,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-04 10:22:45,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:45,901 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:45,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:22:45,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:45,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1781364944, now seen corresponding path program 1 times [2025-03-04 10:22:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:45,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647996856] [2025-03-04 10:22:45,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:45,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 10:22:45,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 10:22:45,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:45,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:45,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:45,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647996856] [2025-03-04 10:22:45,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647996856] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:45,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:45,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:22:45,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439209007] [2025-03-04 10:22:45,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:45,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:45,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:45,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:45,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:45,973 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2025-03-04 10:22:46,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:46,012 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2025-03-04 10:22:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:46,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 [2025-03-04 10:22:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:46,013 INFO L225 Difference]: With dead ends: 34 [2025-03-04 10:22:46,013 INFO L226 Difference]: Without dead ends: 27 [2025-03-04 10:22:46,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:46,014 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:46,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 22 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-03-04 10:22:46,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2025-03-04 10:22:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.3) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2025-03-04 10:22:46,020 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 10 [2025-03-04 10:22:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:46,020 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2025-03-04 10:22:46,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2025-03-04 10:22:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2025-03-04 10:22:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-04 10:22:46,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:46,020 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:46,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:22:46,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:46,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:46,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1787609709, now seen corresponding path program 1 times [2025-03-04 10:22:46,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292023892] [2025-03-04 10:22:46,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:46,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 10:22:46,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 10:22:46,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:46,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292023892] [2025-03-04 10:22:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292023892] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486014374] [2025-03-04 10:22:46,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:46,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:46,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:46,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:46,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:22:46,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 10:22:46,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 10:22:46,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:46,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:46,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:22:46,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:46,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:22:46,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486014374] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:46,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:22:46,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-04 10:22:46,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847326486] [2025-03-04 10:22:46,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:22:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:46,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:22:46,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:22:46,257 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2025-03-04 10:22:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:46,300 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2025-03-04 10:22:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:22:46,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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 [2025-03-04 10:22:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:46,301 INFO L225 Difference]: With dead ends: 27 [2025-03-04 10:22:46,301 INFO L226 Difference]: Without dead ends: 26 [2025-03-04 10:22:46,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:22:46,304 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:46,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-04 10:22:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2025-03-04 10:22:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-03-04 10:22:46,311 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 14 [2025-03-04 10:22:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:46,311 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-03-04 10:22:46,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2025-03-04 10:22:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-03-04 10:22:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:22:46,312 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:46,312 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:46,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:22:46,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:46,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:46,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 418673853, now seen corresponding path program 1 times [2025-03-04 10:22:46,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:46,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259529347] [2025-03-04 10:22:46,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:46,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:46,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:22:46,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:22:46,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:46,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:46,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:46,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259529347] [2025-03-04 10:22:46,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259529347] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:46,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533604271] [2025-03-04 10:22:46,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:46,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:46,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:46,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:22:46,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:22:46,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:22:46,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:46,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:46,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:22:46,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:46,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:46,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533604271] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:46,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:46,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:22:46,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962805442] [2025-03-04 10:22:46,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:46,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:22:46,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:46,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:22:46,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:22:46,738 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:46,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:46,818 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2025-03-04 10:22:46,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:22:46,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 10:22:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:46,820 INFO L225 Difference]: With dead ends: 54 [2025-03-04 10:22:46,820 INFO L226 Difference]: Without dead ends: 41 [2025-03-04 10:22:46,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:22:46,821 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:46,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:46,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-04 10:22:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2025-03-04 10:22:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2025-03-04 10:22:46,827 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 15 [2025-03-04 10:22:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:46,827 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2025-03-04 10:22:46,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2025-03-04 10:22:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:22:46,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:46,827 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:46,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 10:22:47,027 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,SelfDestructingSolverStorable5 [2025-03-04 10:22:47,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:47,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash 411070133, now seen corresponding path program 1 times [2025-03-04 10:22:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:47,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614038388] [2025-03-04 10:22:47,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:47,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:22:47,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:22:47,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:47,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:22:47,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:47,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614038388] [2025-03-04 10:22:47,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614038388] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:47,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:47,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:47,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291413331] [2025-03-04 10:22:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:47,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:47,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:47,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:47,061 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:47,090 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2025-03-04 10:22:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 10:22:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:47,091 INFO L225 Difference]: With dead ends: 45 [2025-03-04 10:22:47,091 INFO L226 Difference]: Without dead ends: 43 [2025-03-04 10:22:47,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:47,091 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:47,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 31 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-04 10:22:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-03-04 10:22:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.25) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2025-03-04 10:22:47,098 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 15 [2025-03-04 10:22:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:47,098 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2025-03-04 10:22:47,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2025-03-04 10:22:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 10:22:47,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:47,099 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:47,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 10:22:47,099 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:47,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:47,099 INFO L85 PathProgramCache]: Analyzing trace with hash 535594733, now seen corresponding path program 1 times [2025-03-04 10:22:47,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:47,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525441294] [2025-03-04 10:22:47,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:47,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:47,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:22:47,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:22:47,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:47,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:22:47,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:47,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525441294] [2025-03-04 10:22:47,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525441294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:47,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352465125] [2025-03-04 10:22:47,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:47,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:47,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:47,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:47,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:22:47,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 10:22:47,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 10:22:47,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:47,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:47,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:22:47,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:47,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:47,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352465125] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:47,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:47,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2025-03-04 10:22:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865536602] [2025-03-04 10:22:47,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:47,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-04 10:22:47,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:47,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-04 10:22:47,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:22:47,408 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:47,533 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2025-03-04 10:22:47,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 10:22:47,533 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-03-04 10:22:47,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:47,533 INFO L225 Difference]: With dead ends: 59 [2025-03-04 10:22:47,533 INFO L226 Difference]: Without dead ends: 46 [2025-03-04 10:22:47,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:22:47,534 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:47,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 67 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-04 10:22:47,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2025-03-04 10:22:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2025-03-04 10:22:47,540 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2025-03-04 10:22:47,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:47,540 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2025-03-04 10:22:47,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2025-03-04 10:22:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 10:22:47,541 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:47,541 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:47,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:47,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:47,742 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:47,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1295986579, now seen corresponding path program 1 times [2025-03-04 10:22:47,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:47,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693067852] [2025-03-04 10:22:47,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:47,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:22:47,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:22:47,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:47,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 10:22:47,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:47,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693067852] [2025-03-04 10:22:47,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693067852] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:47,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447588210] [2025-03-04 10:22:47,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:47,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:47,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:47,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:47,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:22:47,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 10:22:47,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 10:22:47,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:47,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:47,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:22:47,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 10:22:47,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 10:22:47,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447588210] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:47,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:47,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-04 10:22:47,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813024103] [2025-03-04 10:22:47,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:47,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 10:22:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:47,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 10:22:47,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:22:47,922 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:47,970 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2025-03-04 10:22:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:22:47,971 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-04 10:22:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:47,971 INFO L225 Difference]: With dead ends: 59 [2025-03-04 10:22:47,971 INFO L226 Difference]: Without dead ends: 58 [2025-03-04 10:22:47,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:22:47,972 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:47,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 64 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-04 10:22:47,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2025-03-04 10:22:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2025-03-04 10:22:47,979 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 26 [2025-03-04 10:22:47,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:47,979 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2025-03-04 10:22:47,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2025-03-04 10:22:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-04 10:22:47,980 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:47,980 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:47,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:48,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:48,185 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:48,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash 898542712, now seen corresponding path program 2 times [2025-03-04 10:22:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:48,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513090390] [2025-03-04 10:22:48,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:48,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-04 10:22:48,194 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 30 statements. [2025-03-04 10:22:48,194 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:22:48,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-04 10:22:48,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513090390] [2025-03-04 10:22:48,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513090390] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352237753] [2025-03-04 10:22:48,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:48,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:48,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:48,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:48,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:22:48,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-04 10:22:48,266 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 30 statements. [2025-03-04 10:22:48,266 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:22:48,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:48,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:22:48,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-04 10:22:48,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-04 10:22:48,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352237753] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:48,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:48,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-03-04 10:22:48,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421595620] [2025-03-04 10:22:48,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:48,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:22:48,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:48,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:22:48,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:22:48,362 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:48,391 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2025-03-04 10:22:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:22:48,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 30 [2025-03-04 10:22:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:48,393 INFO L225 Difference]: With dead ends: 57 [2025-03-04 10:22:48,393 INFO L226 Difference]: Without dead ends: 56 [2025-03-04 10:22:48,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:22:48,394 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:48,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-04 10:22:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2025-03-04 10:22:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2025-03-04 10:22:48,401 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 30 [2025-03-04 10:22:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:48,402 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2025-03-04 10:22:48,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2025-03-04 10:22:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:22:48,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:48,403 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:48,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 10:22:48,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-04 10:22:48,604 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 10:22:48,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash 657445749, now seen corresponding path program 2 times [2025-03-04 10:22:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:48,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109988100] [2025-03-04 10:22:48,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:48,610 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-03-04 10:22:48,612 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 11 of 41 statements. [2025-03-04 10:22:48,612 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:22:48,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 10:22:48,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109988100] [2025-03-04 10:22:48,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109988100] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832033817] [2025-03-04 10:22:48,635 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:48,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:48,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:48,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:22:48,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-03-04 10:22:48,674 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 11 of 41 statements. [2025-03-04 10:22:48,674 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:22:48,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:48,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:22:48,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 10:22:48,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 10:22:48,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832033817] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:48,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:48,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-03-04 10:22:48,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49149029] [2025-03-04 10:22:48,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:48,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:22:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:48,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:22:48,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:22:48,758 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 5 states, 4 states have (on average 5.25) 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) [2025-03-04 10:22:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:48,789 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2025-03-04 10:22:48,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:22:48,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) 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 41 [2025-03-04 10:22:48,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:48,790 INFO L225 Difference]: With dead ends: 43 [2025-03-04 10:22:48,790 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 10:22:48,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:22:48,790 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:48,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 10:22:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 10:22:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:48,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 10:22:48,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2025-03-04 10:22:48,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:48,791 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 10:22:48,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) 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) [2025-03-04 10:22:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 10:22:48,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 10:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-04 10:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-04 10:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-04 10:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-04 10:22:48,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:48,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:48,998 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:48,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 10:22:49,085 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 10:22:49,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 10:22:49 BoogieIcfgContainer [2025-03-04 10:22:49,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 10:22:49,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 10:22:49,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 10:22:49,095 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 10:22:49,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:45" (3/4) ... [2025-03-04 10:22:49,098 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 10:22:49,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-04 10:22:49,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 10:22:49,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-04 10:22:49,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 10:22:49,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 10:22:49,158 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 10:22:49,158 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 10:22:49,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 10:22:49,159 INFO L158 Benchmark]: Toolchain (without parser) took 4204.73ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 57.6MB in the end (delta: 54.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:49,160 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:22:49,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.90ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:49,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.13ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:22:49,162 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:22:49,162 INFO L158 Benchmark]: IcfgBuilder took 230.37ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 86.7MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 10:22:49,162 INFO L158 Benchmark]: TraceAbstraction took 3717.07ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 63.7MB in the end (delta: 22.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2025-03-04 10:22:49,163 INFO L158 Benchmark]: Witness Printer took 63.37ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 57.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:49,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.90ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.13ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 230.37ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 86.7MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3717.07ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 63.7MB in the end (delta: 22.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 63.37ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 57.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 243 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 522 IncrementalHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 136 mSDtfsCounter, 522 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 251 SyntacticMatches, 7 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 34 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 344 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 1132 SizeOfPredicates, 7 NumberOfNonLiveVariables, 527 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 265/396 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((((i == 0) && (1 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (1 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 36]: Location Invariant Derived location invariant: ((((i == 0) && (1 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (1 <= SIZE)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2025-03-04 10:22:49,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE