./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_min_sub_65_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_min_sub_65_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 c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:18:13,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:18:13,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:18:13,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:18:13,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:18:13,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:18:13,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:18:13,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:18:13,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:18:13,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:18:13,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:18:13,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:18:13,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:18:13,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:18:13,388 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:18:13,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:18:13,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:18:13,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:18:13,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:18:13,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:18:13,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:18:13,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:18:13,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:18:13,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:18:13,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:18:13,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:18:13,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:18:13,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:18:13,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:18:13,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:18:13,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:18:13,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:13,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:18:13,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:18:13,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:18:13,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:18:13,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:18:13,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:18:13,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:18:13,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:18:13,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:18:13,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 [2024-10-11 23:18:13,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:18:13,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:18:13,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:18:13,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:18:13,661 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:18:13,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:15,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:18:15,482 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:18:15,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:15,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d01e672a4/9dcca53aa7894db7a738320f16f47bc0/FLAG15fd41985 [2024-10-11 23:18:15,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d01e672a4/9dcca53aa7894db7a738320f16f47bc0 [2024-10-11 23:18:15,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:18:15,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:18:15,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:15,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:18:15,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:18:15,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:15" (1/1) ... [2024-10-11 23:18:15,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71834fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:15, skipping insertion in model container [2024-10-11 23:18:15,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:15" (1/1) ... [2024-10-11 23:18:15,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:18:16,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:16,414 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:18:16,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:16,605 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:18:16,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16 WrapperNode [2024-10-11 23:18:16,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:16,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:16,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:18:16,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:18:16,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,656 INFO L138 Inliner]: procedures = 502, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 61 [2024-10-11 23:18:16,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:16,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:18:16,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:18:16,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:18:16,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,686 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:18:16,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:18:16,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:18:16,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:18:16,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:18:16,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (1/1) ... [2024-10-11 23:18:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:16,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:18:16,732 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 23:18:16,734 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 23:18:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 23:18:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 23:18:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:18:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:18:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:18:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-11 23:18:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-11 23:18:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:18:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:18:16,914 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:18:16,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:18:17,022 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-11 23:18:17,022 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:18:17,050 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:18:17,050 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:18:17,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:17 BoogieIcfgContainer [2024-10-11 23:18:17,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:18:17,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:18:17,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:18:17,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:18:17,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:18:15" (1/3) ... [2024-10-11 23:18:17,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b537961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:17, skipping insertion in model container [2024-10-11 23:18:17,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:16" (2/3) ... [2024-10-11 23:18:17,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b537961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:17, skipping insertion in model container [2024-10-11 23:18:17,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:17" (3/3) ... [2024-10-11 23:18:17,061 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:17,076 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:18:17,076 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 23:18:17,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:18:17,134 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;@1f259809, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:18:17,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 23:18:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 23:18:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 23:18:17,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:17,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:17,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:17,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1877852356, now seen corresponding path program 1 times [2024-10-11 23:18:17,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:17,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538988733] [2024-10-11 23:18:17,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:17,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:17,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538988733] [2024-10-11 23:18:17,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538988733] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:17,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:17,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:18:17,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510021195] [2024-10-11 23:18:17,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:17,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:18:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:18:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:18:17,588 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:17,780 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-10-11 23:18:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:18:17,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-11 23:18:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:17,792 INFO L225 Difference]: With dead ends: 56 [2024-10-11 23:18:17,792 INFO L226 Difference]: Without dead ends: 42 [2024-10-11 23:18:17,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:18:17,801 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:17,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 162 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:18:17,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-11 23:18:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2024-10-11 23:18:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 29 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 23:18:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2024-10-11 23:18:17,843 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 11 [2024-10-11 23:18:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:17,845 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-10-11 23:18:17,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-10-11 23:18:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 23:18:17,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:17,847 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:17,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:18:17,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:17,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:17,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1916119026, now seen corresponding path program 1 times [2024-10-11 23:18:17,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:17,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875318049] [2024-10-11 23:18:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:17,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:17,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875318049] [2024-10-11 23:18:17,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875318049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:17,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:17,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:18:17,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930773164] [2024-10-11 23:18:17,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:17,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:18:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:17,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:18:17,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:18:17,982 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:18,040 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-10-11 23:18:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:18:18,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-11 23:18:18,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:18,041 INFO L225 Difference]: With dead ends: 42 [2024-10-11 23:18:18,042 INFO L226 Difference]: Without dead ends: 41 [2024-10-11 23:18:18,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:18:18,043 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:18,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 128 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-11 23:18:18,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-10-11 23:18:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 29 states have internal predecessors, (34), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 23:18:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-10-11 23:18:18,048 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 12 [2024-10-11 23:18:18,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:18,048 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-10-11 23:18:18,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-10-11 23:18:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 23:18:18,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:18,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:18,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:18:18,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:18,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:18,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1916135875, now seen corresponding path program 1 times [2024-10-11 23:18:18,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:18,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676299604] [2024-10-11 23:18:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:18,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:18,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:18,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676299604] [2024-10-11 23:18:18,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676299604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:18,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:18,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:18:18,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213108744] [2024-10-11 23:18:18,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:18,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:18:18,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:18,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:18:18,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:18:18,104 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:18,134 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-10-11 23:18:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:18:18,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-11 23:18:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:18,136 INFO L225 Difference]: With dead ends: 39 [2024-10-11 23:18:18,136 INFO L226 Difference]: Without dead ends: 38 [2024-10-11 23:18:18,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 23:18:18,137 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:18,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-11 23:18:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-11 23:18:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 23:18:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-10-11 23:18:18,151 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 12 [2024-10-11 23:18:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:18,152 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-10-11 23:18:18,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-10-11 23:18:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 23:18:18,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:18,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:18,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:18:18,154 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:18,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:18,155 INFO L85 PathProgramCache]: Analyzing trace with hash 729330087, now seen corresponding path program 1 times [2024-10-11 23:18:18,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:18,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547100582] [2024-10-11 23:18:18,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:18,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:18,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547100582] [2024-10-11 23:18:18,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547100582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:18,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:18,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:18:18,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145666756] [2024-10-11 23:18:18,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:18,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:18:18,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:18:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:18,265 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:18,301 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2024-10-11 23:18:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:18:18,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-11 23:18:18,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:18,302 INFO L225 Difference]: With dead ends: 58 [2024-10-11 23:18:18,303 INFO L226 Difference]: Without dead ends: 30 [2024-10-11 23:18:18,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:18,304 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:18,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 58 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-11 23:18:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-11 23:18:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:18:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-10-11 23:18:18,313 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 13 [2024-10-11 23:18:18,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:18,314 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2024-10-11 23:18:18,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-10-11 23:18:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 23:18:18,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:18,315 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:18,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:18:18,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:18,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:18,316 INFO L85 PathProgramCache]: Analyzing trace with hash 158570356, now seen corresponding path program 1 times [2024-10-11 23:18:18,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:18,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418575532] [2024-10-11 23:18:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:18:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:18:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:18,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:18,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418575532] [2024-10-11 23:18:18,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418575532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:18,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:18,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:18:18,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381652060] [2024-10-11 23:18:18,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:18,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:18:18,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:18,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:18:18,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:18,439 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:18,464 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2024-10-11 23:18:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:18:18,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-10-11 23:18:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:18,465 INFO L225 Difference]: With dead ends: 30 [2024-10-11 23:18:18,465 INFO L226 Difference]: Without dead ends: 26 [2024-10-11 23:18:18,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:18,468 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:18,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 55 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:18,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-11 23:18:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-11 23:18:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:18:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-10-11 23:18:18,479 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 23 [2024-10-11 23:18:18,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:18,479 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2024-10-11 23:18:18,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-10-11 23:18:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 23:18:18,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:18,481 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 23:18:18,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:18:18,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:18,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:18,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2061737047, now seen corresponding path program 1 times [2024-10-11 23:18:18,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:18:18,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967906387] [2024-10-11 23:18:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:18:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:18:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:18:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:18:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:18,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:18:18,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967906387] [2024-10-11 23:18:18,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967906387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:18,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:18,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:18:18,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596369460] [2024-10-11 23:18:18,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:18,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:18:18,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:18:18,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:18:18,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:18:18,585 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 6 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:18,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:18,629 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2024-10-11 23:18:18,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:18:18,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 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 23:18:18,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:18,630 INFO L225 Difference]: With dead ends: 26 [2024-10-11 23:18:18,631 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 23:18:18,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:18:18,632 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:18,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 23:18:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 23:18:18,633 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 23:18:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 23:18:18,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-10-11 23:18:18,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:18,635 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 23:18:18,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 23:18:18,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 23:18:18,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-11 23:18:18,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-11 23:18:18,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-11 23:18:18,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-11 23:18:18,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:18:18,642 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-11 23:18:18,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 23:18:18,846 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:18:18,882 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base [2024-10-11 23:18:18,883 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-11 23:18:18,887 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset [2024-10-11 23:18:18,888 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:18,888 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:18,890 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base [2024-10-11 23:18:18,890 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-11 23:18:18,890 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset [2024-10-11 23:18:18,890 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:18,890 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:18,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:18:18 BoogieIcfgContainer [2024-10-11 23:18:18,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:18:18,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:18:18,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:18:18,896 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:18:18,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:17" (3/4) ... [2024-10-11 23:18:18,898 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:18:18,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 23:18:18,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 23:18:18,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-10-11 23:18:18,909 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-11 23:18:18,909 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 23:18:18,910 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 23:18:18,946 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitnessLocation(YamlCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.extractFunctionContracts(YamlCorrectnessWitnessGenerator.java:104) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitness(YamlCorrectnessWitnessGenerator.java:66) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.makeYamlString(YamlCorrectnessWitnessGenerator.java:116) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:170) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:140) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 23:18:18,950 INFO L158 Benchmark]: Toolchain (without parser) took 3417.28ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 78.6MB in the beginning and 155.5MB in the end (delta: -76.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:18:18,950 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 105.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:18:18,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.49ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 78.4MB in the beginning and 131.1MB in the end (delta: -52.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.24ms. Allocated memory is still 203.4MB. Free memory was 131.1MB in the beginning and 127.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,951 INFO L158 Benchmark]: Boogie Preprocessor took 39.08ms. Allocated memory is still 203.4MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,951 INFO L158 Benchmark]: RCFGBuilder took 354.88ms. Allocated memory is still 203.4MB. Free memory was 125.8MB in the beginning and 110.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,952 INFO L158 Benchmark]: TraceAbstraction took 1842.03ms. Allocated memory is still 203.4MB. Free memory was 110.1MB in the beginning and 158.6MB in the end (delta: -48.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,952 INFO L158 Benchmark]: Witness Printer took 53.48ms. Allocated memory is still 203.4MB. Free memory was 158.6MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:18,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 105.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.49ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 78.4MB in the beginning and 131.1MB in the end (delta: -52.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.24ms. Allocated memory is still 203.4MB. Free memory was 131.1MB in the beginning and 127.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.08ms. Allocated memory is still 203.4MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.88ms. Allocated memory is still 203.4MB. Free memory was 125.8MB in the beginning and 110.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1842.03ms. Allocated memory is still 203.4MB. Free memory was 110.1MB in the beginning and 158.6MB in the end (delta: -48.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 53.48ms. Allocated memory is still 203.4MB. Free memory was 158.6MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset * 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 153 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=1, InterpolantAutomatonStates: 29, 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, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: -1]: Procedure Contract for ##fun~int~TO~VOID Derived contract for procedure ##fun~int~TO~VOID. Requires: (((\old() + 2147483648) <= 0) || (0 == ((long) 2 + \old()))) Ensures: (((\old() + 2147483648) <= 0) || (0 == ((long) 2 + \old()))) * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 23:18:18,992 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_min_sub_65_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:18:21,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:18:21,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 23:18:21,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:18:21,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:18:21,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 23:18:21,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:18:21,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:18:21,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:18:21,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:18:21,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:18:21,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:18:21,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:18:21,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:18:21,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:18:21,331 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:18:21,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:18:21,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:18:21,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:18:21,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:18:21,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:18:21,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:18:21,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 23:18:21,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 23:18:21,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:18:21,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:18:21,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 23:18:21,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:18:21,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:18:21,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:18:21,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:18:21,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:18:21,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:18:21,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:18:21,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:21,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:18:21,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:18:21,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:18:21,342 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 23:18:21,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 23:18:21,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:18:21,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:18:21,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:18:21,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:18:21,344 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 23:18:21,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bbd32d89b8fd605966ee84fad034171cb11514c8a2aa197b9866e429f3dfe8 [2024-10-11 23:18:21,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:18:21,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:18:21,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:18:21,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:18:21,716 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:18:21,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:23,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:18:23,629 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:18:23,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:23,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5530bb975/d730e189be31492cae42f1461d18ced7/FLAG23a5de4bb [2024-10-11 23:18:23,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5530bb975/d730e189be31492cae42f1461d18ced7 [2024-10-11 23:18:23,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:18:23,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:18:23,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:23,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:18:23,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:18:23,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:23" (1/1) ... [2024-10-11 23:18:23,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e07bf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:23, skipping insertion in model container [2024-10-11 23:18:23,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:18:23" (1/1) ... [2024-10-11 23:18:23,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:18:24,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:24,484 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:18:24,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:18:24,718 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:18:24,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24 WrapperNode [2024-10-11 23:18:24,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:18:24,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:24,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:18:24,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:18:24,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,802 INFO L138 Inliner]: procedures = 507, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 61 [2024-10-11 23:18:24,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:18:24,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:18:24,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:18:24,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:18:24,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,836 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:18:24,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:18:24,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:18:24,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:18:24,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:18:24,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (1/1) ... [2024-10-11 23:18:24,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:18:24,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:18:24,911 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 23:18:24,915 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 23:18:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 23:18:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 23:18:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:18:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:18:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:18:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2024-10-11 23:18:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2024-10-11 23:18:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:18:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:18:25,147 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:18:25,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:18:25,335 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-11 23:18:25,338 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:18:25,378 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:18:25,378 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:18:25,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:25 BoogieIcfgContainer [2024-10-11 23:18:25,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:18:25,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:18:25,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:18:25,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:18:25,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:18:23" (1/3) ... [2024-10-11 23:18:25,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d2c089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:25, skipping insertion in model container [2024-10-11 23:18:25,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:18:24" (2/3) ... [2024-10-11 23:18:25,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d2c089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:18:25, skipping insertion in model container [2024-10-11 23:18:25,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:25" (3/3) ... [2024-10-11 23:18:25,389 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_65_good.i [2024-10-11 23:18:25,407 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:18:25,408 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 23:18:25,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:18:25,488 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;@42a7c9dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:18:25,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 23:18:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 23:18:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 23:18:25,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:25,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:25,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:25,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:25,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1877852356, now seen corresponding path program 1 times [2024-10-11 23:18:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:18:25,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701433875] [2024-10-11 23:18:25,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:25,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:25,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:18:25,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 23:18:25,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 23:18:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:25,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 23:18:25,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:18:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:25,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:18:25,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 23:18:25,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701433875] [2024-10-11 23:18:25,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701433875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:25,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:25,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:18:25,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363197736] [2024-10-11 23:18:25,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:25,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:18:25,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 23:18:25,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:18:25,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:18:25,839 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:25,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:25,930 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2024-10-11 23:18:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:18:25,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-11 23:18:25,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:25,941 INFO L225 Difference]: With dead ends: 54 [2024-10-11 23:18:25,941 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 23:18:25,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:18:25,946 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 16 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:25,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 23:18:25,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-11 23:18:25,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 25 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 23:18:25,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-10-11 23:18:25,976 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 11 [2024-10-11 23:18:25,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:25,977 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-10-11 23:18:25,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-10-11 23:18:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 23:18:25,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:25,978 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:25,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:18:26,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:26,179 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:26,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1916135875, now seen corresponding path program 1 times [2024-10-11 23:18:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:18:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299250418] [2024-10-11 23:18:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:18:26,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 23:18:26,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 23:18:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:26,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 23:18:26,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:18:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:26,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:18:26,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 23:18:26,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299250418] [2024-10-11 23:18:26,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299250418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:26,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:26,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:18:26,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009449540] [2024-10-11 23:18:26,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:26,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:18:26,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 23:18:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:18:26,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:26,302 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:26,361 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2024-10-11 23:18:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:18:26,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-11 23:18:26,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:26,362 INFO L225 Difference]: With dead ends: 52 [2024-10-11 23:18:26,362 INFO L226 Difference]: Without dead ends: 27 [2024-10-11 23:18:26,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:26,364 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:26,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:26,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-11 23:18:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-11 23:18:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:18:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-10-11 23:18:26,379 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 12 [2024-10-11 23:18:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:26,380 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-10-11 23:18:26,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 23:18:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-10-11 23:18:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 23:18:26,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:26,381 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:18:26,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 23:18:26,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:26,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:26,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:26,584 INFO L85 PathProgramCache]: Analyzing trace with hash 158570356, now seen corresponding path program 1 times [2024-10-11 23:18:26,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:18:26,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495330303] [2024-10-11 23:18:26,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:26,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:26,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:18:26,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 23:18:26,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 23:18:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:26,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:18:26,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:18:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:26,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:18:26,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 23:18:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495330303] [2024-10-11 23:18:26,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495330303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:26,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:26,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:18:26,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251125098] [2024-10-11 23:18:26,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:26,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:18:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 23:18:26,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:18:26,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:26,794 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:26,872 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-10-11 23:18:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:18:26,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-10-11 23:18:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:26,874 INFO L225 Difference]: With dead ends: 27 [2024-10-11 23:18:26,874 INFO L226 Difference]: Without dead ends: 25 [2024-10-11 23:18:26,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:18:26,876 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:26,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:18:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-11 23:18:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-11 23:18:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 23:18:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-10-11 23:18:26,883 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2024-10-11 23:18:26,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:26,883 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2024-10-11 23:18:26,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-10-11 23:18:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 23:18:26,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:18:26,885 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] [2024-10-11 23:18:26,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 23:18:27,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:27,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-11 23:18:27,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:18:27,087 INFO L85 PathProgramCache]: Analyzing trace with hash 620696973, now seen corresponding path program 1 times [2024-10-11 23:18:27,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 23:18:27,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161998094] [2024-10-11 23:18:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:18:27,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:27,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 23:18:27,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 23:18:27,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-11 23:18:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:18:27,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 23:18:27,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:18:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:18:27,197 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:18:27,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 23:18:27,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161998094] [2024-10-11 23:18:27,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161998094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:18:27,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:18:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 23:18:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41436166] [2024-10-11 23:18:27,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:18:27,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:18:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 23:18:27,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:18:27,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:18:27,200 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:18:27,263 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2024-10-11 23:18:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:18:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-10-11 23:18:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:18:27,265 INFO L225 Difference]: With dead ends: 25 [2024-10-11 23:18:27,265 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 23:18:27,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:18:27,266 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:18:27,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:18:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 23:18:27,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 23:18:27,268 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 23:18:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 23:18:27,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-10-11 23:18:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:18:27,271 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 23:18:27,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:18:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 23:18:27,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 23:18:27,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-11 23:18:27,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-11 23:18:27,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-11 23:18:27,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-11 23:18:27,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-10-11 23:18:27,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 23:18:27,479 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 23:18:27,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 23:18:27,638 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:18:27,674 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:27,675 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset [2024-10-11 23:18:27,675 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base [2024-10-11 23:18:27,675 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-11 23:18:27,675 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:27,675 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset [2024-10-11 23:18:27,676 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:27,676 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset [2024-10-11 23:18:27,676 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base [2024-10-11 23:18:27,676 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!base [2024-10-11 23:18:27,676 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~#fp!offset [2024-10-11 23:18:27,677 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset [2024-10-11 23:18:27,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:18:27 BoogieIcfgContainer [2024-10-11 23:18:27,679 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:18:27,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:18:27,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:18:27,680 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:18:27,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:18:25" (3/4) ... [2024-10-11 23:18:27,682 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:18:27,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 23:18:27,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 23:18:27,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_INT~TO~VOID [2024-10-11 23:18:27,690 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-11 23:18:27,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 23:18:27,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 23:18:27,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 23:18:27,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitnessLocation(YamlCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.extractFunctionContracts(YamlCorrectnessWitnessGenerator.java:104) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.getWitness(YamlCorrectnessWitnessGenerator.java:66) at de.uni_freiburg.informatik.ultimate.witnessprinter.yaml.YamlCorrectnessWitnessGenerator.makeYamlString(YamlCorrectnessWitnessGenerator.java:116) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:170) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:140) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 23:18:27,739 INFO L158 Benchmark]: Toolchain (without parser) took 4058.16ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 63.6MB in the end (delta: -18.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,739 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:18:27,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1037.55ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 48.1MB in the end (delta: -2.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.42ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 45.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,740 INFO L158 Benchmark]: Boogie Preprocessor took 67.78ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,740 INFO L158 Benchmark]: RCFGBuilder took 507.33ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 46.4MB in the end (delta: -4.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,741 INFO L158 Benchmark]: TraceAbstraction took 2297.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 67.0MB in the end (delta: -21.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,741 INFO L158 Benchmark]: Witness Printer took 58.55ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 63.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:18:27,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1037.55ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 48.1MB in the end (delta: -2.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.42ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 45.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.78ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 42.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 507.33ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 46.4MB in the end (delta: -4.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2297.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 67.0MB in the end (delta: -21.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 58.55ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 63.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodB2GSink.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~#fp!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #funAddr~CWE191_Integer_Underflow__int_min_sub_65b_goodG2BSink.offset * 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 3 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: -1]: Procedure Contract for ##fun~C_INT~TO~VOID Derived contract for procedure ##fun~C_INT~TO~VOID. Requires: ((0 == ((-2147483648 + \old()) % 4294967296)) || (0 == ((2 + \old()) % 4294967296))) Ensures: ((0 == ((-2147483648 + \old()) % 4294967296)) || (0 == ((2 + \old()) % 4294967296))) * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: java.base/java.util.ImmutableCollections$Map1.get(ImmutableCollections.java:759) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 23:18:27,769 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: ERROR: ExceptionOrErrorResult: NullPointerException: null