./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 d0a0ade34885bb1b829b2bd166e934b468abe9ff74d2519a54a22d759870041b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:20:56,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:20:56,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:20:56,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:20:56,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:20:56,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:20:56,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:20:56,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:20:56,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:20:56,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:20:56,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:20:56,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:20:56,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:20:56,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:20:56,602 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:20:56,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:20:56,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:20:56,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:20:56,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:20:56,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:20:56,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:20:56,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:20:56,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:20:56,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:20:56,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:20:56,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:20:56,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:20:56,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:20:56,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:20:56,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:20:56,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:20:56,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:20:56,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:20:56,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:20:56,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:20:56,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:20:56,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:20:56,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:20:56,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:20:56,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:20:56,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:20:56,616 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0a0ade34885bb1b829b2bd166e934b468abe9ff74d2519a54a22d759870041b [2024-10-11 23:20:56,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:20:56,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:20:56,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:20:56,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:20:56,914 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:20:56,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_good.i [2024-10-11 23:20:58,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:20:58,733 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:20:58,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_good.i [2024-10-11 23:20:58,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3dfc15c6e/18c323b7d5294626955f91d159b0080e/FLAG4810294f4 [2024-10-11 23:20:58,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3dfc15c6e/18c323b7d5294626955f91d159b0080e [2024-10-11 23:20:58,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:20:58,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:20:58,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:20:58,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:20:58,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:20:58,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:20:58" (1/1) ... [2024-10-11 23:20:58,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574cd567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:20:58, skipping insertion in model container [2024-10-11 23:20:58,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:20:58" (1/1) ... [2024-10-11 23:20:59,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:20:59,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:20:59,860 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:20:59,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:21:00,171 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:21:00,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00 WrapperNode [2024-10-11 23:21:00,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:21:00,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:21:00,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:21:00,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:21:00,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,239 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 215 [2024-10-11 23:21:00,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:21:00,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:21:00,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:21:00,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:21:00,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,275 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:21:00,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:21:00,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:21:00,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:21:00,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:21:00,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (1/1) ... [2024-10-11 23:21:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:21:00,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:21:00,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:21:00,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:21:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 23:21:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 23:21:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-10-11 23:21:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-10-11 23:21:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:21:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:21:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:21:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:21:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:21:00,559 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:21:00,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:21:00,918 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-10-11 23:21:00,919 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:21:00,953 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:21:00,953 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:21:00,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:21:00 BoogieIcfgContainer [2024-10-11 23:21:00,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:21:00,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:21:00,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:21:00,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:21:00,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:20:58" (1/3) ... [2024-10-11 23:21:00,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3509d3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:21:00, skipping insertion in model container [2024-10-11 23:21:00,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:21:00" (2/3) ... [2024-10-11 23:21:00,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3509d3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:21:00, skipping insertion in model container [2024-10-11 23:21:00,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:21:00" (3/3) ... [2024-10-11 23:21:00,963 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_12_good.i [2024-10-11 23:21:00,979 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:21:00,980 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:21:01,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:21:01,055 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;@4aea0df6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:21:01,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:21:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 86 states have internal predecessors, (119), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 23:21:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 23:21:01,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:21:01,070 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:21:01,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:21:01,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:21:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash -796052729, now seen corresponding path program 1 times [2024-10-11 23:21:01,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:21:01,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130348059] [2024-10-11 23:21:01,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:21:01,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:21:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:21:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:21:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:21:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 23:21:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:21:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130348059] [2024-10-11 23:21:01,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130348059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:21:01,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:21:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:21:01,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88026499] [2024-10-11 23:21:01,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:21:01,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:21:01,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:21:01,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:21:01,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:01,465 INFO L87 Difference]: Start difference. First operand has 102 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 86 states have internal predecessors, (119), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:21:01,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:21:01,551 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2024-10-11 23:21:01,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:21:01,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-11 23:21:01,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:21:01,562 INFO L225 Difference]: With dead ends: 102 [2024-10-11 23:21:01,562 INFO L226 Difference]: Without dead ends: 92 [2024-10-11 23:21:01,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:01,570 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:21:01,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 253 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:21:01,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-11 23:21:01,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-10-11 23:21:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 74 states have (on average 1.5) internal successors, (111), 79 states have internal predecessors, (111), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 23:21:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-10-11 23:21:01,612 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 25 [2024-10-11 23:21:01,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:21:01,614 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-10-11 23:21:01,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:21:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-10-11 23:21:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 23:21:01,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:21:01,617 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:21:01,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:21:01,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:21:01,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:21:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1092169401, now seen corresponding path program 1 times [2024-10-11 23:21:01,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:21:01,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831836713] [2024-10-11 23:21:01,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:21:01,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:21:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:21:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:21:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:21:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 23:21:01,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:21:01,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831836713] [2024-10-11 23:21:01,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831836713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:21:01,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:21:01,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:21:01,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332227607] [2024-10-11 23:21:01,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:21:01,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:21:01,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:21:01,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:21:01,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:01,884 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:21:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:21:01,940 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2024-10-11 23:21:01,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:21:01,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-11 23:21:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:21:01,944 INFO L225 Difference]: With dead ends: 92 [2024-10-11 23:21:01,944 INFO L226 Difference]: Without dead ends: 90 [2024-10-11 23:21:01,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:01,948 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 3 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:21:01,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 225 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:21:01,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-11 23:21:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-11 23:21:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 74 states have (on average 1.472972972972973) internal successors, (109), 77 states have internal predecessors, (109), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 23:21:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2024-10-11 23:21:01,967 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 26 [2024-10-11 23:21:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:21:01,968 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2024-10-11 23:21:01,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:21:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2024-10-11 23:21:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 23:21:01,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:21:01,971 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:21:01,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:21:01,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:21:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:21:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2117612457, now seen corresponding path program 1 times [2024-10-11 23:21:01,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:21:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443614696] [2024-10-11 23:21:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:21:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:21:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:21:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:21:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:21:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 23:21:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 23:21:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:21:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 23:21:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:21:02,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443614696] [2024-10-11 23:21:02,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443614696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:21:02,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:21:02,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:21:02,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963074344] [2024-10-11 23:21:02,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:21:02,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:21:02,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:21:02,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:21:02,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:02,147 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:21:02,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:21:02,180 INFO L93 Difference]: Finished difference Result 90 states and 127 transitions. [2024-10-11 23:21:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:21:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-11 23:21:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:21:02,182 INFO L225 Difference]: With dead ends: 90 [2024-10-11 23:21:02,182 INFO L226 Difference]: Without dead ends: 88 [2024-10-11 23:21:02,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:02,184 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 3 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:21:02,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:21:02,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-11 23:21:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-11 23:21:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.445945945945946) internal successors, (107), 75 states have internal predecessors, (107), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 23:21:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2024-10-11 23:21:02,201 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 42 [2024-10-11 23:21:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:21:02,201 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2024-10-11 23:21:02,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:21:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2024-10-11 23:21:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 23:21:02,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:21:02,205 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:21:02,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:21:02,205 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:21:02,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:21:02,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1221476992, now seen corresponding path program 1 times [2024-10-11 23:21:02,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:21:02,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206915567] [2024-10-11 23:21:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:21:02,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:21:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:21:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:21:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:21:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 23:21:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 23:21:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:21:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:21:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 23:21:02,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:21:02,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206915567] [2024-10-11 23:21:02,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206915567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:21:02,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:21:02,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:21:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539020554] [2024-10-11 23:21:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:21:02,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:21:02,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:21:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:21:02,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:02,327 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:21:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:21:02,351 INFO L93 Difference]: Finished difference Result 88 states and 125 transitions. [2024-10-11 23:21:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:21:02,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-11 23:21:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:21:02,354 INFO L225 Difference]: With dead ends: 88 [2024-10-11 23:21:02,354 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 23:21:02,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:21:02,357 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 2 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:21:02,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:21:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 23:21:02,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 23:21:02,361 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) [2024-10-11 23:21:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 23:21:02,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-10-11 23:21:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:21:02,362 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 23:21:02,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:21:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 23:21:02,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 23:21:02,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 23:21:02,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 23:21:02,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 23:21:02,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 23:21:02,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 23:21:02,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 23:21:02,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 23:21:02,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 23:21:02,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:21:02,375 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 23:21:02,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 23:21:02,421 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:21:02,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:21:02 BoogieIcfgContainer [2024-10-11 23:21:02,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:21:02,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:21:02,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:21:02,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:21:02,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:21:00" (3/4) ... [2024-10-11 23:21:02,449 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:21:02,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 23:21:02,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2024-10-11 23:21:02,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 23:21:02,459 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-11 23:21:02,459 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-11 23:21:02,459 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 23:21:02,460 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 23:21:02,591 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 23:21:02,592 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 23:21:02,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:21:02,592 INFO L158 Benchmark]: Toolchain (without parser) took 3637.00ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 102.4MB in the beginning and 187.8MB in the end (delta: -85.4MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,593 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:21:02,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.05ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 97.2MB in the end (delta: 4.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.21ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 93.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,594 INFO L158 Benchmark]: Boogie Preprocessor took 62.07ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,594 INFO L158 Benchmark]: RCFGBuilder took 649.56ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 64.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,595 INFO L158 Benchmark]: TraceAbstraction took 1490.09ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 63.7MB in the beginning and 99.2MB in the end (delta: -35.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,595 INFO L158 Benchmark]: Witness Printer took 145.15ms. Allocated memory is still 226.5MB. Free memory was 99.2MB in the beginning and 187.8MB in the end (delta: -88.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 23:21:02,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.05ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 97.2MB in the end (delta: 4.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.21ms. Allocated memory is still 159.4MB. Free memory was 97.2MB in the beginning and 93.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.07ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.56ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 64.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1490.09ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 63.7MB in the beginning and 99.2MB in the end (delta: -35.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 145.15ms. Allocated memory is still 226.5MB. Free memory was 99.2MB in the beginning and 187.8MB in the end (delta: -88.6MB). 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 938 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 456 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 482 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 36/36 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 23:21:02,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE