./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_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/CWE191_Integer_Underflow__int_rand_sub_34_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 af6368f3611c1046fa3830a900076dfef4a57eeeb77d91bec60fdce4af8e4ffc --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 14:37:48,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 14:37:48,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 14:37:48,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 14:37:48,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 14:37:48,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 14:37:48,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 14:37:48,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 14:37:48,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 14:37:48,849 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 14:37:48,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 14:37:48,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 14:37:48,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 14:37:48,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 14:37:48,850 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 14:37:48,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 14:37:48,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 14:37:48,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 14:37:48,851 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 14:37:48,852 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:37:48,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 14:37:48,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 14:37:48,852 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 -> af6368f3611c1046fa3830a900076dfef4a57eeeb77d91bec60fdce4af8e4ffc [2025-03-04 14:37:49,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 14:37:49,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 14:37:49,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 14:37:49,087 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 14:37:49,087 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 14:37:49,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_good.i [2025-03-04 14:37:50,213 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144cbbbbe/f5f9d014ff5d46a6a8719422225bd355/FLAGacf53945e [2025-03-04 14:37:50,536 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 14:37:50,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_34_good.i [2025-03-04 14:37:50,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144cbbbbe/f5f9d014ff5d46a6a8719422225bd355/FLAGacf53945e [2025-03-04 14:37:50,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144cbbbbe/f5f9d014ff5d46a6a8719422225bd355 [2025-03-04 14:37:50,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 14:37:50,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 14:37:50,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 14:37:50,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 14:37:50,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 14:37:50,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:50" (1/1) ... [2025-03-04 14:37:50,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4d860e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:50, skipping insertion in model container [2025-03-04 14:37:50,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:50" (1/1) ... [2025-03-04 14:37:50,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 14:37:51,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:37:51,268 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 14:37:51,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:37:51,404 INFO L204 MainTranslator]: Completed translation [2025-03-04 14:37:51,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51 WrapperNode [2025-03-04 14:37:51,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 14:37:51,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 14:37:51,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 14:37:51,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 14:37:51,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,454 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2025-03-04 14:37:51,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 14:37:51,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 14:37:51,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 14:37:51,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 14:37:51,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,485 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2025-03-04 14:37:51,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,493 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 14:37:51,507 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 14:37:51,507 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 14:37:51,507 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 14:37:51,508 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 14:37:51,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:37:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:37:51,553 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 14:37:51,555 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 14:37:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-04 14:37:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-04 14:37:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 14:37:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 14:37:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 14:37:51,707 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 14:37:51,709 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 14:37:51,880 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2025-03-04 14:37:51,881 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 14:37:51,893 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 14:37:51,894 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 14:37:51,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:37:51 BoogieIcfgContainer [2025-03-04 14:37:51,894 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 14:37:51,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 14:37:51,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 14:37:51,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 14:37:51,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:37:50" (1/3) ... [2025-03-04 14:37:51,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abf58d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:37:51, skipping insertion in model container [2025-03-04 14:37:51,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (2/3) ... [2025-03-04 14:37:51,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abf58d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:37:51, skipping insertion in model container [2025-03-04 14:37:51,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:37:51" (3/3) ... [2025-03-04 14:37:51,901 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_34_good.i [2025-03-04 14:37:51,911 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 14:37:51,912 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_sub_34_good.i that has 3 procedures, 56 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-04 14:37:51,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 14:37:51,961 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;@58efda83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 14:37:51,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 14:37:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 49 states have internal predecessors, (63), 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 14:37:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 14:37:51,968 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:37:51,969 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:37:51,969 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 14:37:51,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:37:51,972 INFO L85 PathProgramCache]: Analyzing trace with hash 991660445, now seen corresponding path program 1 times [2025-03-04 14:37:51,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:37:51,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918734330] [2025-03-04 14:37:51,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:37:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:37:52,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 14:37:52,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 14:37:52,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:37:52,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:37:52,274 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 14:37:52,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:37:52,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918734330] [2025-03-04 14:37:52,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918734330] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:37:52,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:37:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:37:52,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776779644] [2025-03-04 14:37:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:37:52,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:37:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:37:52,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:37:52,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:37:52,297 INFO L87 Difference]: Start difference. First operand has 56 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 49 states have internal predecessors, (63), 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 14:37:52,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:37:52,335 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2025-03-04 14:37:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:37:52,337 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 14:37:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:37:52,342 INFO L225 Difference]: With dead ends: 56 [2025-03-04 14:37:52,342 INFO L226 Difference]: Without dead ends: 44 [2025-03-04 14:37:52,344 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 14:37:52,348 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:37:52,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:37:52,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-04 14:37:52,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-04 14:37:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 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 14:37:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2025-03-04 14:37:52,380 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 9 [2025-03-04 14:37:52,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:37:52,380 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2025-03-04 14:37:52,380 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 14:37:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2025-03-04 14:37:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-04 14:37:52,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:37:52,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:37:52,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 14:37:52,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 14:37:52,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:37:52,381 INFO L85 PathProgramCache]: Analyzing trace with hash 676702757, now seen corresponding path program 1 times [2025-03-04 14:37:52,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:37:52,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997760277] [2025-03-04 14:37:52,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:37:52,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:37:52,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 14:37:52,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 14:37:52,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:37:52,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:37:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:37:52,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:37:52,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997760277] [2025-03-04 14:37:52,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997760277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:37:52,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:37:52,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:37:52,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227478356] [2025-03-04 14:37:52,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:37:52,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:37:52,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:37:52,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:37:52,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:37:52,500 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 14:37:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:37:52,523 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2025-03-04 14:37:52,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:37:52,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2025-03-04 14:37:52,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:37:52,525 INFO L225 Difference]: With dead ends: 44 [2025-03-04 14:37:52,526 INFO L226 Difference]: Without dead ends: 43 [2025-03-04 14:37:52,526 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 14:37:52,527 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:37:52,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:37:52,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-04 14:37:52,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-03-04 14:37:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 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 14:37:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2025-03-04 14:37:52,534 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 10 [2025-03-04 14:37:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:37:52,534 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2025-03-04 14:37:52,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 14:37:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2025-03-04 14:37:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-04 14:37:52,535 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:37:52,535 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:37:52,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 14:37:52,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 14:37:52,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:37:52,537 INFO L85 PathProgramCache]: Analyzing trace with hash 221921744, now seen corresponding path program 1 times [2025-03-04 14:37:52,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:37:52,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959106469] [2025-03-04 14:37:52,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:37:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:37:52,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 14:37:52,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 14:37:52,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:37:52,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:37:52,663 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 14:37:52,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:37:52,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959106469] [2025-03-04 14:37:52,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959106469] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:37:52,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:37:52,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:37:52,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533599278] [2025-03-04 14:37:52,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:37:52,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:37:52,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:37:52,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:37:52,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:37:52,664 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 14:37:52,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:37:52,687 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2025-03-04 14:37:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:37:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2025-03-04 14:37:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:37:52,688 INFO L225 Difference]: With dead ends: 43 [2025-03-04 14:37:52,689 INFO L226 Difference]: Without dead ends: 42 [2025-03-04 14:37:52,689 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 14:37:52,690 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:37:52,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 95 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:37:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-04 14:37:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-03-04 14:37:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 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 14:37:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2025-03-04 14:37:52,693 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 24 [2025-03-04 14:37:52,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:37:52,693 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2025-03-04 14:37:52,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 14:37:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2025-03-04 14:37:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-04 14:37:52,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:37:52,694 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:37:52,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 14:37:52,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-04 14:37:52,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:37:52,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1710360543, now seen corresponding path program 1 times [2025-03-04 14:37:52,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:37:52,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437416411] [2025-03-04 14:37:52,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:37:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:37:52,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-04 14:37:52,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-04 14:37:52,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:37:52,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:37:52,826 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 14:37:52,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:37:52,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437416411] [2025-03-04 14:37:52,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437416411] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:37:52,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:37:52,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 14:37:52,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786164684] [2025-03-04 14:37:52,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:37:52,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:37:52,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:37:52,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:37:52,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:37:52,828 INFO L87 Difference]: Start difference. First operand 42 states and 55 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, (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 14:37:52,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:37:52,842 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2025-03-04 14:37:52,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:37:52,842 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, (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 25 [2025-03-04 14:37:52,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:37:52,843 INFO L225 Difference]: With dead ends: 42 [2025-03-04 14:37:52,843 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 14:37:52,843 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 14:37:52,844 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:37:52,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:37:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 14:37:52,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 14:37:52,844 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 14:37:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 14:37:52,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2025-03-04 14:37:52,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:37:52,845 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 14:37:52,845 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, (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 14:37:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 14:37:52,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 14:37:52,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-04 14:37:52,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-04 14:37:52,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-04 14:37:52,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-04 14:37:52,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 14:37:52,850 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-04 14:37:52,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 14:37:52,872 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 14:37:52,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 02:37:52 BoogieIcfgContainer [2025-03-04 14:37:52,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 14:37:52,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 14:37:52,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 14:37:52,879 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 14:37:52,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:37:51" (3/4) ... [2025-03-04 14:37:52,881 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 14:37:52,885 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-04 14:37:52,885 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-04 14:37:52,889 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-04 14:37:52,890 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-04 14:37:52,890 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-04 14:37:52,951 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 14:37:52,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 14:37:52,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 14:37:52,952 INFO L158 Benchmark]: Toolchain (without parser) took 2161.24ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 65.5MB in the end (delta: 44.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,953 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 14:37:52,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.61ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 49.3MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.53ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,953 INFO L158 Benchmark]: Boogie Preprocessor took 48.27ms. Allocated memory is still 142.6MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 14:37:52,953 INFO L158 Benchmark]: IcfgBuilder took 387.03ms. Allocated memory is still 142.6MB. Free memory was 44.6MB in the beginning and 95.6MB in the end (delta: -51.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,954 INFO L158 Benchmark]: TraceAbstraction took 982.59ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 71.4MB in the end (delta: 23.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,954 INFO L158 Benchmark]: Witness Printer took 73.22ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 65.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 14:37:52,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.61ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 49.3MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.53ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 46.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.27ms. Allocated memory is still 142.6MB. Free memory was 46.4MB in the beginning and 44.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 387.03ms. Allocated memory is still 142.6MB. Free memory was 44.6MB in the beginning and 95.6MB in the end (delta: -51.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 982.59ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 71.4MB in the end (delta: 23.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 73.22ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 65.5MB in the end (delta: 6.0MB). 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: 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, 56 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 413 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 212 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 14:37:52,967 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