./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_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 7573bf9ec81d23326424c85326ee27e8898b26b8dfd07dec631c068f4acff949 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 13:28:44,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 13:28:44,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 13:28:44,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 13:28:44,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 13:28:44,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 13:28:44,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 13:28:44,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 13:28:44,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 13:28:44,802 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 13:28:44,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 13:28:44,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 13:28:44,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 13:28:44,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 13:28:44,803 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 13:28:44,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 13:28:44,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 13:28:44,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 13:28:44,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 13:28:44,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 13:28:44,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 13:28:44,806 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 -> 7573bf9ec81d23326424c85326ee27e8898b26b8dfd07dec631c068f4acff949 [2025-03-04 13:28:45,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 13:28:45,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 13:28:45,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 13:28:45,031 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 13:28:45,032 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 13:28:45,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2025-03-04 13:28:46,166 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3926721a7/01828882b3c34cb1bc3e6f24c02ed32a/FLAG04041a84a [2025-03-04 13:28:46,468 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 13:28:46,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2025-03-04 13:28:46,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3926721a7/01828882b3c34cb1bc3e6f24c02ed32a/FLAG04041a84a [2025-03-04 13:28:46,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3926721a7/01828882b3c34cb1bc3e6f24c02ed32a [2025-03-04 13:28:46,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 13:28:46,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 13:28:46,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 13:28:46,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 13:28:46,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 13:28:46,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:28:46" (1/1) ... [2025-03-04 13:28:46,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31499437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:46, skipping insertion in model container [2025-03-04 13:28:46,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:28:46" (1/1) ... [2025-03-04 13:28:46,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 13:28:47,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 13:28:47,292 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 13:28:47,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 13:28:47,433 INFO L204 MainTranslator]: Completed translation [2025-03-04 13:28:47,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47 WrapperNode [2025-03-04 13:28:47,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 13:28:47,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 13:28:47,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 13:28:47,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 13:28:47,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,492 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 207 [2025-03-04 13:28:47,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 13:28:47,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 13:28:47,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 13:28:47,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 13:28:47,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,518 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-04 13:28:47,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 13:28:47,533 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 13:28:47,534 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 13:28:47,534 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 13:28:47,534 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (1/1) ... [2025-03-04 13:28:47,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 13:28:47,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 13:28:47,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 13:28:47,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 13:28:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 13:28:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 13:28:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2025-03-04 13:28:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2025-03-04 13:28:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 13:28:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 13:28:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 13:28:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 13:28:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 13:28:47,676 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 13:28:47,677 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 13:28:47,704 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1520: havoc #t~nondet87; [2025-03-04 13:28:47,934 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2025-03-04 13:28:47,934 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 13:28:47,950 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 13:28:47,951 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 13:28:47,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:28:47 BoogieIcfgContainer [2025-03-04 13:28:47,951 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 13:28:47,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 13:28:47,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 13:28:47,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 13:28:47,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 01:28:46" (1/3) ... [2025-03-04 13:28:47,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7635772a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:28:47, skipping insertion in model container [2025-03-04 13:28:47,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:28:47" (2/3) ... [2025-03-04 13:28:47,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7635772a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:28:47, skipping insertion in model container [2025-03-04 13:28:47,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:28:47" (3/3) ... [2025-03-04 13:28:47,958 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2025-03-04 13:28:47,968 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 13:28:47,970 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_postinc_12_good.i that has 4 procedures, 106 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-04 13:28:48,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 13:28:48,022 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;@2476340, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 13:28:48,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-04 13:28:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 82 states have (on average 1.5) internal successors, (123), 92 states have internal predecessors, (123), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-04 13:28:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 13:28:48,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:48,033 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:48,033 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)] === [2025-03-04 13:28:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash 611177107, now seen corresponding path program 1 times [2025-03-04 13:28:48,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:48,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848709415] [2025-03-04 13:28:48,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:48,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:48,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 13:28:48,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 13:28:48,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:48,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 13:28:48,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:48,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848709415] [2025-03-04 13:28:48,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848709415] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:48,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:48,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:28:48,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456981047] [2025-03-04 13:28:48,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:48,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:28:48,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:48,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:28:48,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:48,390 INFO L87 Difference]: Start difference. First operand has 106 states, 82 states have (on average 1.5) internal successors, (123), 92 states have internal predecessors, (123), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-04 13:28:48,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:48,454 INFO L93 Difference]: Finished difference Result 106 states and 147 transitions. [2025-03-04 13:28:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 13:28:48,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 28 [2025-03-04 13:28:48,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:48,461 INFO L225 Difference]: With dead ends: 106 [2025-03-04 13:28:48,461 INFO L226 Difference]: Without dead ends: 94 [2025-03-04 13:28:48,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:48,465 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 2 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:48,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 384 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:48,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-03-04 13:28:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2025-03-04 13:28:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 83 states have internal predecessors, (113), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 13:28:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2025-03-04 13:28:48,499 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 28 [2025-03-04 13:28:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:48,500 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2025-03-04 13:28:48,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-04 13:28:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2025-03-04 13:28:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-04 13:28:48,501 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:48,501 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:48,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 13:28:48,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-04 13:28:48,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:48,502 INFO L85 PathProgramCache]: Analyzing trace with hash 611167177, now seen corresponding path program 1 times [2025-03-04 13:28:48,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:48,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169614382] [2025-03-04 13:28:48,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:48,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-04 13:28:48,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-04 13:28:48,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:48,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 13:28:48,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:48,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169614382] [2025-03-04 13:28:48,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169614382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:48,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:48,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:28:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054029455] [2025-03-04 13:28:48,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:48,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:28:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:48,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:28:48,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:48,621 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-04 13:28:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:48,669 INFO L93 Difference]: Finished difference Result 94 states and 131 transitions. [2025-03-04 13:28:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 13:28:48,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 28 [2025-03-04 13:28:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:48,672 INFO L225 Difference]: With dead ends: 94 [2025-03-04 13:28:48,673 INFO L226 Difference]: Without dead ends: 93 [2025-03-04 13:28:48,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:48,674 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 2 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:48,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 336 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-03-04 13:28:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2025-03-04 13:28:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 75 states have (on average 1.4933333333333334) internal successors, (112), 82 states have internal predecessors, (112), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 13:28:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2025-03-04 13:28:48,682 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 28 [2025-03-04 13:28:48,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:48,683 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2025-03-04 13:28:48,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-04 13:28:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2025-03-04 13:28:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-04 13:28:48,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:48,686 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:48,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 13:28:48,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-04 13:28:48,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:48,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1766621151, now seen corresponding path program 1 times [2025-03-04 13:28:48,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:48,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894983969] [2025-03-04 13:28:48,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:48,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:48,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 13:28:48,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 13:28:48,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:48,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 13:28:48,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894983969] [2025-03-04 13:28:48,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894983969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:48,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:48,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 13:28:48,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119444027] [2025-03-04 13:28:48,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:48,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 13:28:48,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:48,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 13:28:48,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:28:48,779 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-04 13:28:48,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:48,806 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions. [2025-03-04 13:28:48,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 13:28:48,806 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), 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 29 [2025-03-04 13:28:48,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:48,807 INFO L225 Difference]: With dead ends: 93 [2025-03-04 13:28:48,807 INFO L226 Difference]: Without dead ends: 92 [2025-03-04 13:28:48,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:28:48,808 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:48,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-03-04 13:28:48,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-03-04 13:28:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.48) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 13:28:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2025-03-04 13:28:48,816 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 29 [2025-03-04 13:28:48,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:48,817 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2025-03-04 13:28:48,817 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), 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) [2025-03-04 13:28:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2025-03-04 13:28:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-04 13:28:48,818 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:48,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:48,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 13:28:48,818 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-04 13:28:48,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1766313311, now seen corresponding path program 1 times [2025-03-04 13:28:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:48,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583779139] [2025-03-04 13:28:48,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:48,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:48,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 13:28:48,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 13:28:48,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:48,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 13:28:48,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:48,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583779139] [2025-03-04 13:28:48,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583779139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:48,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:48,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 13:28:48,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858740097] [2025-03-04 13:28:48,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:48,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 13:28:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:48,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 13:28:48,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:28:48,872 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-03-04 13:28:48,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:48,897 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2025-03-04 13:28:48,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 13:28:48,898 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), 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 29 [2025-03-04 13:28:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:48,899 INFO L225 Difference]: With dead ends: 92 [2025-03-04 13:28:48,899 INFO L226 Difference]: Without dead ends: 91 [2025-03-04 13:28:48,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 13:28:48,899 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:48,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:48,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-03-04 13:28:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-03-04 13:28:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 80 states have internal predecessors, (110), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 13:28:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2025-03-04 13:28:48,904 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 29 [2025-03-04 13:28:48,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:48,904 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2025-03-04 13:28:48,905 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), 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) [2025-03-04 13:28:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2025-03-04 13:28:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 13:28:48,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:48,906 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:48,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 13:28:48,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-04 13:28:48,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 887805622, now seen corresponding path program 1 times [2025-03-04 13:28:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:48,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185215560] [2025-03-04 13:28:48,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:48,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 13:28:48,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 13:28:48,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:48,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-04 13:28:48,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:48,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185215560] [2025-03-04 13:28:48,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185215560] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:48,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:48,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:28:48,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279256902] [2025-03-04 13:28:48,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:48,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:28:48,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:48,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:28:48,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:48,990 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-04 13:28:49,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:49,021 INFO L93 Difference]: Finished difference Result 91 states and 128 transitions. [2025-03-04 13:28:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 13:28:49,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 46 [2025-03-04 13:28:49,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:49,022 INFO L225 Difference]: With dead ends: 91 [2025-03-04 13:28:49,024 INFO L226 Difference]: Without dead ends: 87 [2025-03-04 13:28:49,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:49,025 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:49,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-04 13:28:49,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-04 13:28:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 76 states have internal predecessors, (106), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 13:28:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2025-03-04 13:28:49,033 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 46 [2025-03-04 13:28:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:49,034 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2025-03-04 13:28:49,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-04 13:28:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2025-03-04 13:28:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 13:28:49,036 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 13:28:49,036 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 13:28:49,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 13:28:49,037 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)] === [2025-03-04 13:28:49,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 13:28:49,037 INFO L85 PathProgramCache]: Analyzing trace with hash 887805846, now seen corresponding path program 1 times [2025-03-04 13:28:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 13:28:49,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882884281] [2025-03-04 13:28:49,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 13:28:49,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 13:28:49,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 13:28:49,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 13:28:49,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 13:28:49,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 13:28:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-04 13:28:49,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 13:28:49,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882884281] [2025-03-04 13:28:49,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882884281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 13:28:49,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 13:28:49,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 13:28:49,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985864445] [2025-03-04 13:28:49,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 13:28:49,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 13:28:49,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 13:28:49,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 13:28:49,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:49,130 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-04 13:28:49,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 13:28:49,158 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2025-03-04 13:28:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 13:28:49,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 46 [2025-03-04 13:28:49,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 13:28:49,158 INFO L225 Difference]: With dead ends: 87 [2025-03-04 13:28:49,159 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 13:28:49,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 13:28:49,160 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 13:28:49,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 331 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 13:28:49,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 13:28:49,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 13:28:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 13:28:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 13:28:49,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-03-04 13:28:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 13:28:49,162 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 13:28:49,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-04 13:28:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 13:28:49,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 13:28:49,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-04 13:28:49,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-04 13:28:49,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 13:28:49,167 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-04 13:28:49,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 13:28:49,187 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 13:28:49,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:28:49 BoogieIcfgContainer [2025-03-04 13:28:49,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 13:28:49,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 13:28:49,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 13:28:49,192 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 13:28:49,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:28:47" (3/4) ... [2025-03-04 13:28:49,195 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 13:28:49,200 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-04 13:28:49,200 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2025-03-04 13:28:49,200 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-04 13:28:49,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-04 13:28:49,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 13:28:49,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 13:28:49,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 13:28:49,274 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 13:28:49,274 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 13:28:49,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 13:28:49,275 INFO L158 Benchmark]: Toolchain (without parser) took 2536.38ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 55.8MB in the end (delta: 72.5MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,275 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 13:28:49,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.26ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 67.9MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.30ms. Allocated memory is still 167.8MB. Free memory was 67.9MB in the beginning and 64.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,275 INFO L158 Benchmark]: Boogie Preprocessor took 39.47ms. Allocated memory is still 167.8MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 13:28:49,275 INFO L158 Benchmark]: IcfgBuilder took 417.71ms. Allocated memory is still 167.8MB. Free memory was 63.0MB in the beginning and 123.8MB in the end (delta: -60.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,276 INFO L158 Benchmark]: TraceAbstraction took 1239.34ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 63.2MB in the end (delta: 59.6MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,276 INFO L158 Benchmark]: Witness Printer took 82.14ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 55.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 13:28:49,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.26ms. Allocated memory is still 167.8MB. Free memory was 127.9MB in the beginning and 67.9MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.30ms. Allocated memory is still 167.8MB. Free memory was 67.9MB in the beginning and 64.7MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.47ms. Allocated memory is still 167.8MB. Free memory was 64.7MB in the beginning and 63.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 417.71ms. Allocated memory is still 167.8MB. Free memory was 63.0MB in the beginning and 123.8MB in the end (delta: -60.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1239.34ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 63.2MB in the end (delta: 59.6MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 82.14ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 55.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: 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 - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: 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 4 procedures, 106 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 1859 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1149 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 710 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 56/56 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! [2025-03-04 13:28:49,290 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