./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 88152d200f3735580ff1ef27f101a7fb92c16771960b094da1023d228a179c4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 17:01:23,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 17:01:23,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 17:01:23,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 17:01:23,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 17:01:23,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 17:01:23,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 17:01:23,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 17:01:23,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 17:01:23,498 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 17:01:23,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 17:01:23,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 17:01:23,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 17:01:23,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 17:01:23,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 17:01:23,500 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 17:01:23,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:01:23,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 17:01:23,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 17:01:23,501 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88152d200f3735580ff1ef27f101a7fb92c16771960b094da1023d228a179c4c [2025-03-17 17:01:23,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 17:01:23,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 17:01:23,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 17:01:23,734 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 17:01:23,734 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 17:01:23,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2025-03-17 17:01:24,870 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b25b20ba/f4d10fd113a14b56b293b171912afabd/FLAG96e84174b [2025-03-17 17:01:25,197 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 17:01:25,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2025-03-17 17:01:25,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b25b20ba/f4d10fd113a14b56b293b171912afabd/FLAG96e84174b [2025-03-17 17:01:25,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b25b20ba/f4d10fd113a14b56b293b171912afabd [2025-03-17 17:01:25,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 17:01:25,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 17:01:25,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 17:01:25,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 17:01:25,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 17:01:25,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:01:25" (1/1) ... [2025-03-17 17:01:25,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bb3c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:25, skipping insertion in model container [2025-03-17 17:01:25,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:01:25" (1/1) ... [2025-03-17 17:01:25,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 17:01:26,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:01:26,047 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 17:01:26,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:01:26,209 INFO L204 MainTranslator]: Completed translation [2025-03-17 17:01:26,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26 WrapperNode [2025-03-17 17:01:26,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 17:01:26,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 17:01:26,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 17:01:26,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 17:01:26,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,244 INFO L138 Inliner]: procedures = 501, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2025-03-17 17:01:26,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 17:01:26,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 17:01:26,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 17:01:26,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 17:01:26,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,259 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 17:01:26,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 17:01:26,268 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 17:01:26,268 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 17:01:26,268 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 17:01:26,269 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (1/1) ... [2025-03-17 17:01:26,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:01:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:26,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 17:01:26,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 17:01:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 17:01:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2025-03-17 17:01:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 17:01:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 17:01:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2025-03-17 17:01:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2025-03-17 17:01:26,399 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 17:01:26,400 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 17:01:26,558 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2025-03-17 17:01:26,558 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 17:01:26,565 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 17:01:26,565 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 17:01:26,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:01:26 BoogieIcfgContainer [2025-03-17 17:01:26,565 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 17:01:26,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 17:01:26,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 17:01:26,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 17:01:26,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 05:01:25" (1/3) ... [2025-03-17 17:01:26,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b946ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:01:26, skipping insertion in model container [2025-03-17 17:01:26,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:01:26" (2/3) ... [2025-03-17 17:01:26,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b946ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:01:26, skipping insertion in model container [2025-03-17 17:01:26,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:01:26" (3/3) ... [2025-03-17 17:01:26,572 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i [2025-03-17 17:01:26,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 17:01:26,584 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_11_good.i that has 5 procedures, 78 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-17 17:01:26,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 17:01:26,655 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;@2d35ab12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 17:01:26,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 17:01:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 59 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 17:01:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 17:01:26,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:26,668 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:26,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:26,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash -739307568, now seen corresponding path program 1 times [2025-03-17 17:01:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579983552] [2025-03-17 17:01:26,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:26,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 17:01:26,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 17:01:26,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:26,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:01:26,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579983552] [2025-03-17 17:01:26,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579983552] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:26,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:01:26,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:01:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435354506] [2025-03-17 17:01:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:26,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:26,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:26,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:26,980 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 59 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:01:27,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,015 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2025-03-17 17:01:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:27,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-03-17 17:01:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,022 INFO L225 Difference]: With dead ends: 79 [2025-03-17 17:01:27,022 INFO L226 Difference]: Without dead ends: 71 [2025-03-17 17:01:27,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,028 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 4 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 182 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-03-17 17:01:27,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2025-03-17 17:01:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:01:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2025-03-17 17:01:27,065 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 21 [2025-03-17 17:01:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,066 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2025-03-17 17:01:27,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:01:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2025-03-17 17:01:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 17:01:27,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 17:01:27,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1443698094, now seen corresponding path program 1 times [2025-03-17 17:01:27,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786874107] [2025-03-17 17:01:27,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 17:01:27,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 17:01:27,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:01:27,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786874107] [2025-03-17 17:01:27,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786874107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:27,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:01:27,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:01:27,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227999390] [2025-03-17 17:01:27,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:27,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:27,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:27,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:27,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,124 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:01:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,158 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2025-03-17 17:01:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:27,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2025-03-17 17:01:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,160 INFO L225 Difference]: With dead ends: 130 [2025-03-17 17:01:27,160 INFO L226 Difference]: Without dead ends: 75 [2025-03-17 17:01:27,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,161 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 5 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 170 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-17 17:01:27,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2025-03-17 17:01:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 55 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:01:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2025-03-17 17:01:27,169 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 22 [2025-03-17 17:01:27,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,169 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2025-03-17 17:01:27,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:01:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2025-03-17 17:01:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 17:01:27,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,170 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 17:01:27,171 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1345678089, now seen corresponding path program 1 times [2025-03-17 17:01:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76684714] [2025-03-17 17:01:27,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 17:01:27,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 17:01:27,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:01:27,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76684714] [2025-03-17 17:01:27,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76684714] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:27,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:01:27,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 17:01:27,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002606649] [2025-03-17 17:01:27,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:27,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:01:27,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:27,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:01:27,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:01:27,248 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:01:27,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,261 INFO L93 Difference]: Finished difference Result 126 states and 161 transitions. [2025-03-17 17:01:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:01:27,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2025-03-17 17:01:27,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,263 INFO L225 Difference]: With dead ends: 126 [2025-03-17 17:01:27,263 INFO L226 Difference]: Without dead ends: 72 [2025-03-17 17:01:27,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:01:27,263 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-03-17 17:01:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-03-17 17:01:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 54 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:01:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2025-03-17 17:01:27,271 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 39 [2025-03-17 17:01:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,271 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2025-03-17 17:01:27,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:01:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2025-03-17 17:01:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 17:01:27,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,272 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 17:01:27,272 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1423445293, now seen corresponding path program 1 times [2025-03-17 17:01:27,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795525273] [2025-03-17 17:01:27,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 17:01:27,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 17:01:27,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:01:27,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795525273] [2025-03-17 17:01:27,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795525273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:27,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:01:27,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:01:27,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268406311] [2025-03-17 17:01:27,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:27,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:27,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:27,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:27,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,362 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:01:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,380 INFO L93 Difference]: Finished difference Result 73 states and 93 transitions. [2025-03-17 17:01:27,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:27,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-03-17 17:01:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,384 INFO L225 Difference]: With dead ends: 73 [2025-03-17 17:01:27,384 INFO L226 Difference]: Without dead ends: 72 [2025-03-17 17:01:27,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,384 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 152 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-03-17 17:01:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2025-03-17 17:01:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:01:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2025-03-17 17:01:27,391 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 40 [2025-03-17 17:01:27,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,391 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2025-03-17 17:01:27,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:01:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2025-03-17 17:01:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 17:01:27,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,395 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 17:01:27,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1177131137, now seen corresponding path program 1 times [2025-03-17 17:01:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390989999] [2025-03-17 17:01:27,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 17:01:27,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 17:01:27,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:01:27,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390989999] [2025-03-17 17:01:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390989999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:27,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:01:27,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:01:27,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062353977] [2025-03-17 17:01:27,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:27,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:27,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:27,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:27,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,446 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 17:01:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,469 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2025-03-17 17:01:27,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:27,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2025-03-17 17:01:27,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,471 INFO L225 Difference]: With dead ends: 115 [2025-03-17 17:01:27,471 INFO L226 Difference]: Without dead ends: 75 [2025-03-17 17:01:27,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:01:27,473 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 5 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 165 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-17 17:01:27,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2025-03-17 17:01:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 55 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:01:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2025-03-17 17:01:27,484 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 41 [2025-03-17 17:01:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,485 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2025-03-17 17:01:27,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 17:01:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2025-03-17 17:01:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 17:01:27,486 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,486 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 17:01:27,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1292962391, now seen corresponding path program 1 times [2025-03-17 17:01:27,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19736354] [2025-03-17 17:01:27,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 17:01:27,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 17:01:27,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 17:01:27,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19736354] [2025-03-17 17:01:27,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19736354] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:27,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513093195] [2025-03-17 17:01:27,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:27,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:27,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 17:01:27,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 17:01:27,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 17:01:27,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:27,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-17 17:01:27,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513093195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635826530] [2025-03-17 17:01:27,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:27,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:27,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:27,707 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:01:27,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:27,727 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2025-03-17 17:01:27,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2025-03-17 17:01:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:27,729 INFO L225 Difference]: With dead ends: 81 [2025-03-17 17:01:27,729 INFO L226 Difference]: Without dead ends: 80 [2025-03-17 17:01:27,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:27,730 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:27,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 160 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-03-17 17:01:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-03-17 17:01:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 57 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 17:01:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2025-03-17 17:01:27,737 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 52 [2025-03-17 17:01:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:27,738 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2025-03-17 17:01:27,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:01:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2025-03-17 17:01:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 17:01:27,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:27,741 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:27,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 17:01:27,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-17 17:01:27,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:27,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:27,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1427128459, now seen corresponding path program 1 times [2025-03-17 17:01:27,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:27,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158469712] [2025-03-17 17:01:27,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:27,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 17:01:27,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 17:01:27,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:27,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 17:01:27,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:27,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158469712] [2025-03-17 17:01:27,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158469712] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:27,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781073136] [2025-03-17 17:01:27,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:27,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:27,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 17:01:28,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 17:01:28,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 17:01:28,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:28,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:28,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:28,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-17 17:01:28,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781073136] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:28,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:28,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749237852] [2025-03-17 17:01:28,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:28,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:28,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:28,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,089 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:01:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:28,106 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2025-03-17 17:01:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:28,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2025-03-17 17:01:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:28,108 INFO L225 Difference]: With dead ends: 79 [2025-03-17 17:01:28,108 INFO L226 Difference]: Without dead ends: 78 [2025-03-17 17:01:28,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,109 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 3 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:28,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 151 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-03-17 17:01:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2025-03-17 17:01:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.25) internal successors, (65), 56 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 17:01:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2025-03-17 17:01:28,116 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 53 [2025-03-17 17:01:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:28,117 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2025-03-17 17:01:28,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:01:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2025-03-17 17:01:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 17:01:28,118 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:28,118 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:28,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 17:01:28,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-17 17:01:28,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:28,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:28,319 INFO L85 PathProgramCache]: Analyzing trace with hash -25763716, now seen corresponding path program 1 times [2025-03-17 17:01:28,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:28,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254150514] [2025-03-17 17:01:28,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:28,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 17:01:28,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 17:01:28,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:28,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 17:01:28,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:28,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254150514] [2025-03-17 17:01:28,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254150514] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:28,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892923361] [2025-03-17 17:01:28,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:28,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:28,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:28,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:28,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 17:01:28,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 17:01:28,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 17:01:28,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:28,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:28,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:28,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-17 17:01:28,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892923361] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:28,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:28,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:28,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575259805] [2025-03-17 17:01:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:28,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:28,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:28,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,474 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 17:01:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:28,490 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2025-03-17 17:01:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:28,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 57 [2025-03-17 17:01:28,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:28,493 INFO L225 Difference]: With dead ends: 78 [2025-03-17 17:01:28,493 INFO L226 Difference]: Without dead ends: 77 [2025-03-17 17:01:28,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,494 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:28,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 151 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-17 17:01:28,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2025-03-17 17:01:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 53 states have internal predecessors, (60), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:01:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2025-03-17 17:01:28,505 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 57 [2025-03-17 17:01:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:28,505 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2025-03-17 17:01:28,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 17:01:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2025-03-17 17:01:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-17 17:01:28,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:28,508 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:28,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 17:01:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:28,709 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:28,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1887250386, now seen corresponding path program 1 times [2025-03-17 17:01:28,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:28,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649134581] [2025-03-17 17:01:28,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:28,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 17:01:28,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 17:01:28,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:28,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:01:28,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649134581] [2025-03-17 17:01:28,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649134581] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701184312] [2025-03-17 17:01:28,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:28,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:28,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:28,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 17:01:28,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 17:01:28,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 17:01:28,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:28,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:28,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:28,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:01:28,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:28,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701184312] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:28,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:28,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:28,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416972418] [2025-03-17 17:01:28,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:28,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:28,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:28,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:28,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,861 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:28,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:28,869 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2025-03-17 17:01:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:28,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2025-03-17 17:01:28,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:28,870 INFO L225 Difference]: With dead ends: 78 [2025-03-17 17:01:28,870 INFO L226 Difference]: Without dead ends: 77 [2025-03-17 17:01:28,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:28,870 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:28,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 159 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-17 17:01:28,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2025-03-17 17:01:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 56 states have internal predecessors, (63), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 17:01:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2025-03-17 17:01:28,875 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 65 [2025-03-17 17:01:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:28,875 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2025-03-17 17:01:28,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2025-03-17 17:01:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-17 17:01:28,875 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:28,875 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:28,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 17:01:29,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:29,076 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:29,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash -664906575, now seen corresponding path program 1 times [2025-03-17 17:01:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:29,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719712791] [2025-03-17 17:01:29,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:29,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 17:01:29,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 17:01:29,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:29,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:01:29,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:29,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719712791] [2025-03-17 17:01:29,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719712791] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:29,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405315112] [2025-03-17 17:01:29,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:29,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:29,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:29,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:29,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 17:01:29,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 17:01:29,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 17:01:29,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:29,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:29,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:29,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:01:29,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:29,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405315112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:29,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708993019] [2025-03-17 17:01:29,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:29,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:29,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:29,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:29,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:29,237 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:29,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:29,245 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2025-03-17 17:01:29,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:29,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2025-03-17 17:01:29,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:29,246 INFO L225 Difference]: With dead ends: 76 [2025-03-17 17:01:29,246 INFO L226 Difference]: Without dead ends: 75 [2025-03-17 17:01:29,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:29,247 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:29,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 152 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:29,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-03-17 17:01:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2025-03-17 17:01:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 52 states have internal predecessors, (59), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:01:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2025-03-17 17:01:29,251 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 65 [2025-03-17 17:01:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:29,252 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2025-03-17 17:01:29,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2025-03-17 17:01:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 17:01:29,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:01:29,252 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:29,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 17:01:29,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 17:01:29,457 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:01:29,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:01:29,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1624780195, now seen corresponding path program 1 times [2025-03-17 17:01:29,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:01:29,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152441273] [2025-03-17 17:01:29,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:29,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:01:29,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 17:01:29,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 17:01:29,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:29,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:01:29,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:01:29,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152441273] [2025-03-17 17:01:29,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152441273] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:01:29,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904181979] [2025-03-17 17:01:29,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:01:29,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:29,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:01:29,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 17:01:29,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 17:01:29,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 17:01:29,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 17:01:29,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:01:29,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:01:29,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:01:29,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:01:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:01:29,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:01:29,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904181979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:01:29,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:01:29,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:01:29,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664422066] [2025-03-17 17:01:29,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:01:29,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:01:29,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:01:29,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:01:29,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:29,615 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:01:29,622 INFO L93 Difference]: Finished difference Result 71 states and 93 transitions. [2025-03-17 17:01:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:01:29,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2025-03-17 17:01:29,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:01:29,623 INFO L225 Difference]: With dead ends: 71 [2025-03-17 17:01:29,623 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 17:01:29,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:01:29,624 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:01:29,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:01:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 17:01:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 17:01:29,625 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) [2025-03-17 17:01:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 17:01:29,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2025-03-17 17:01:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:01:29,625 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 17:01:29,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:01:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 17:01:29,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 17:01:29,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-17 17:01:29,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-17 17:01:29,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 17:01:29,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 17:01:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 17:01:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 17:01:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 17:01:29,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 17:01:29,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 17:01:29,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:01:29,832 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:01:29,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 17:01:29,898 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 17:01:29,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 05:01:29 BoogieIcfgContainer [2025-03-17 17:01:29,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 17:01:29,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 17:01:29,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 17:01:29,903 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 17:01:29,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:01:26" (3/4) ... [2025-03-17 17:01:29,905 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 17:01:29,909 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-17 17:01:29,909 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2025-03-17 17:01:29,909 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-17 17:01:29,909 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2025-03-17 17:01:29,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-17 17:01:29,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-17 17:01:29,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 17:01:29,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 17:01:29,986 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 17:01:29,987 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 17:01:29,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 17:01:29,987 INFO L158 Benchmark]: Toolchain (without parser) took 4530.75ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 130.3MB in the end (delta: -10.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.59ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 59.9MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.22ms. Allocated memory is still 167.8MB. Free memory was 59.9MB in the beginning and 57.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: Boogie Preprocessor took 22.50ms. Allocated memory is still 167.8MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: IcfgBuilder took 297.73ms. Allocated memory is still 167.8MB. Free memory was 55.6MB in the beginning and 39.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 17:01:29,988 INFO L158 Benchmark]: TraceAbstraction took 3334.94ms. Allocated memory is still 167.8MB. Free memory was 38.8MB in the beginning and 53.1MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:01:29,989 INFO L158 Benchmark]: Witness Printer took 84.18ms. Allocated memory is still 167.8MB. Free memory was 53.1MB in the beginning and 130.3MB in the end (delta: -77.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2025-03-17 17:01:29,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.59ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 59.9MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.22ms. Allocated memory is still 167.8MB. Free memory was 59.9MB in the beginning and 57.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.50ms. Allocated memory is still 167.8MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 297.73ms. Allocated memory is still 167.8MB. Free memory was 55.6MB in the beginning and 39.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3334.94ms. Allocated memory is still 167.8MB. Free memory was 38.8MB in the beginning and 53.1MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.18ms. Allocated memory is still 167.8MB. Free memory was 53.1MB in the beginning and 130.3MB in the end (delta: -77.2MB). Peak memory consumption was 8.7MB. 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: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: 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 5 procedures, 78 locations, 120 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 1844 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 918 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 926 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 18 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 862 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 493/517 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 17:01:30,003 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