./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_67_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_fscanf_preinc_67_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 f2afbcf43847b3df88019ef590c4b25dd7bd81a863207b5cc9f416b04e14a079 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 12:46:03,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 12:46:03,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 12:46:03,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 12:46:03,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 12:46:03,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 12:46:03,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 12:46:03,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 12:46:03,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 12:46:03,078 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 12:46:03,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 12:46:03,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 12:46:03,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 12:46:03,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 12:46:03,078 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 12:46:03,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 12:46:03,079 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 12:46:03,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 12:46:03,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 12:46:03,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 12:46:03,080 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 -> f2afbcf43847b3df88019ef590c4b25dd7bd81a863207b5cc9f416b04e14a079 [2025-03-04 12:46:03,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 12:46:03,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 12:46:03,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 12:46:03,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 12:46:03,332 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 12:46:03,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_67_good.i [2025-03-04 12:46:04,475 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0f03e29/a27ebedd0bdf47429d14f38f97fe40d9/FLAG19da6fc8f [2025-03-04 12:46:04,781 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 12:46:04,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_67_good.i [2025-03-04 12:46:04,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0f03e29/a27ebedd0bdf47429d14f38f97fe40d9/FLAG19da6fc8f [2025-03-04 12:46:05,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0f03e29/a27ebedd0bdf47429d14f38f97fe40d9 [2025-03-04 12:46:05,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 12:46:05,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 12:46:05,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 12:46:05,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 12:46:05,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 12:46:05,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf098e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05, skipping insertion in model container [2025-03-04 12:46:05,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 12:46:05,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 12:46:05,533 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 12:46:05,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 12:46:05,675 INFO L204 MainTranslator]: Completed translation [2025-03-04 12:46:05,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05 WrapperNode [2025-03-04 12:46:05,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 12:46:05,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 12:46:05,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 12:46:05,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 12:46:05,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,715 INFO L138 Inliner]: procedures = 501, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 82 [2025-03-04 12:46:05,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 12:46:05,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 12:46:05,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 12:46:05,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 12:46:05,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,732 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 4 writes are split as follows [1, 1, 1, 1]. [2025-03-04 12:46:05,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 12:46:05,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 12:46:05,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 12:46:05,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 12:46:05,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (1/1) ... [2025-03-04 12:46:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 12:46:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 12:46:05,770 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 12:46:05,772 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 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 12:46:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 12:46:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 12:46:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 12:46:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 12:46:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 12:46:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 12:46:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 12:46:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 12:46:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 12:46:05,934 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 12:46:05,935 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 12:46:06,068 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2025-03-04 12:46:06,068 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 12:46:06,074 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 12:46:06,075 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 12:46:06,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:46:06 BoogieIcfgContainer [2025-03-04 12:46:06,076 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 12:46:06,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 12:46:06,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 12:46:06,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 12:46:06,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:46:05" (1/3) ... [2025-03-04 12:46:06,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b4bae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:46:06, skipping insertion in model container [2025-03-04 12:46:06,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:46:05" (2/3) ... [2025-03-04 12:46:06,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b4bae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:46:06, skipping insertion in model container [2025-03-04 12:46:06,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:46:06" (3/3) ... [2025-03-04 12:46:06,085 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_67_good.i [2025-03-04 12:46:06,096 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 12:46:06,098 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_67_good.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-04 12:46:06,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 12:46:06,148 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;@418e0c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 12:46:06,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 12:46:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-04 12:46:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 12:46:06,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:46:06,155 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 12:46:06,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 12:46:06,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:46:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 610591315, now seen corresponding path program 1 times [2025-03-04 12:46:06,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 12:46:06,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355601099] [2025-03-04 12:46:06,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:46:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 12:46:06,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 12:46:06,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 12:46:06,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:46:06,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:46:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:46:06,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 12:46:06,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355601099] [2025-03-04 12:46:06,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355601099] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:46:06,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:46:06,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 12:46:06,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537474741] [2025-03-04 12:46:06,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:46:06,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 12:46:06,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 12:46:06,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 12:46:06,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:46:06,553 INFO L87 Difference]: Start difference. First operand has 36 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 12:46:06,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:46:06,580 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2025-03-04 12:46:06,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 12:46:06,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2025-03-04 12:46:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:46:06,586 INFO L225 Difference]: With dead ends: 36 [2025-03-04 12:46:06,586 INFO L226 Difference]: Without dead ends: 22 [2025-03-04 12:46:06,588 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 12:46:06,594 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70 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 [2025-03-04 12:46:06,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 12:46:06,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-03-04 12:46:06,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-03-04 12:46:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 12:46:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2025-03-04 12:46:06,622 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 9 [2025-03-04 12:46:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:46:06,622 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2025-03-04 12:46:06,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 12:46:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2025-03-04 12:46:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 12:46:06,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:46:06,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 12:46:06,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 12:46:06,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 12:46:06,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:46:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1740860371, now seen corresponding path program 1 times [2025-03-04 12:46:06,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 12:46:06,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801950897] [2025-03-04 12:46:06,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:46:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 12:46:06,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 12:46:06,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 12:46:06,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:46:06,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:46:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:46:06,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 12:46:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801950897] [2025-03-04 12:46:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801950897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:46:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:46:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 12:46:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698969760] [2025-03-04 12:46:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:46:06,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 12:46:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 12:46:06,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 12:46:06,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:46:06,880 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 12:46:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:46:06,889 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2025-03-04 12:46:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 12:46:06,889 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-03-04 12:46:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:46:06,890 INFO L225 Difference]: With dead ends: 22 [2025-03-04 12:46:06,890 INFO L226 Difference]: Without dead ends: 21 [2025-03-04 12:46:06,890 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 12:46:06,891 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 12:46:06,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 12:46:06,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-04 12:46:06,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-04 12:46:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-04 12:46:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2025-03-04 12:46:06,893 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2025-03-04 12:46:06,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:46:06,893 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2025-03-04 12:46:06,893 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 12:46:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2025-03-04 12:46:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 12:46:06,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 12:46:06,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 12:46:06,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 12:46:06,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 12:46:06,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 12:46:06,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1867903333, now seen corresponding path program 1 times [2025-03-04 12:46:06,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 12:46:06,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218818028] [2025-03-04 12:46:06,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 12:46:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 12:46:06,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 12:46:06,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 12:46:06,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 12:46:06,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 12:46:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 12:46:06,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 12:46:06,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218818028] [2025-03-04 12:46:06,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218818028] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 12:46:06,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 12:46:06,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 12:46:06,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432009358] [2025-03-04 12:46:06,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 12:46:06,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 12:46:06,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 12:46:06,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 12:46:06,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 12:46:06,957 INFO L87 Difference]: Start difference. First operand 21 states and 21 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 12:46:06,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 12:46:06,965 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2025-03-04 12:46:06,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 12:46:06,965 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-03-04 12:46:06,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 12:46:06,966 INFO L225 Difference]: With dead ends: 21 [2025-03-04 12:46:06,966 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 12:46:06,966 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 12:46:06,968 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 12:46:06,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 12:46:06,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 12:46:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 12:46:06,971 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 12:46:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 12:46:06,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2025-03-04 12:46:06,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 12:46:06,971 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 12:46:06,971 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 12:46:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 12:46:06,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 12:46:06,974 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-04 12:46:06,975 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-04 12:46:06,975 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-04 12:46:06,975 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-04 12:46:06,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 12:46:06,977 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 12:46:06,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 12:46:06,993 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 12:46:06,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:46:06 BoogieIcfgContainer [2025-03-04 12:46:06,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 12:46:07,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 12:46:07,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 12:46:07,000 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 12:46:07,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:46:06" (3/4) ... [2025-03-04 12:46:07,004 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 12:46:07,006 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-04 12:46:07,006 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-04 12:46:07,011 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-04 12:46:07,011 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-04 12:46:07,011 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 12:46:07,070 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 12:46:07,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 12:46:07,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 12:46:07,072 INFO L158 Benchmark]: Toolchain (without parser) took 2033.28ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 58.8MB in the end (delta: 51.5MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2025-03-04 12:46:07,073 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 12:46:07,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.92ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 51.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 12:46:07,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.89ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 48.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 12:46:07,074 INFO L158 Benchmark]: Boogie Preprocessor took 24.63ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 12:46:07,074 INFO L158 Benchmark]: IcfgBuilder took 334.54ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 100.4MB in the end (delta: -53.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-03-04 12:46:07,074 INFO L158 Benchmark]: TraceAbstraction took 921.75ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 64.4MB in the end (delta: 35.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2025-03-04 12:46:07,075 INFO L158 Benchmark]: Witness Printer took 71.59ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 58.8MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 12:46:07,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.92ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 51.6MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.89ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 48.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.63ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 334.54ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 100.4MB in the end (delta: -53.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 921.75ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 64.4MB in the end (delta: 35.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 71.59ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 58.8MB in the end (delta: 5.6MB). There was no memory consumed. 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: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: 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 3 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 73 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 12:46:07,094 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