./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_fscanf_sub_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 85aedfcf2118f521ef9bbcac4097ae575bdd21c81fab8b04f6f07f1b73393844 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:53:02,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:53:02,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:53:02,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:53:02,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:53:02,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:53:02,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:53:02,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:53:02,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:53:02,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:53:02,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:53:02,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:53:02,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:53:02,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:53:02,788 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:53:02,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:53:02,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:53:02,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:53:02,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:53:02,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:53:02,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:53:02,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:53:02,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:53:02,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:53:02,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:53:02,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:53:02,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:53:02,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:53:02,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:53:02,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:53:02,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:53:02,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:53:02,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:53:02,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:53:02,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:53:02,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:53:02,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:53:02,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:53:02,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:53:02,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:53:02,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:53:02,807 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aedfcf2118f521ef9bbcac4097ae575bdd21c81fab8b04f6f07f1b73393844 [2024-10-13 15:53:03,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:53:03,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:53:03,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:53:03,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:53:03,230 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:53:03,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2024-10-13 15:53:04,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:53:04,850 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:53:04,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2024-10-13 15:53:04,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6e493c6/0dc641d24d464b0bb7ff65913433303a/FLAGc97fa7b93 [2024-10-13 15:53:04,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6e493c6/0dc641d24d464b0bb7ff65913433303a [2024-10-13 15:53:04,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:53:04,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:53:04,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:53:04,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:53:04,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:53:04,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:53:04" (1/1) ... [2024-10-13 15:53:04,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fa777e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:04, skipping insertion in model container [2024-10-13 15:53:04,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:53:04" (1/1) ... [2024-10-13 15:53:04,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:53:05,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:53:05,592 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:53:05,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:53:05,747 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:53:05,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05 WrapperNode [2024-10-13 15:53:05,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:53:05,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:53:05,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:53:05,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:53:05,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,801 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99 [2024-10-13 15:53:05,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:53:05,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:53:05,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:53:05,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:53:05,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,821 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:53:05,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:53:05,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:53:05,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:53:05,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:53:05,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (1/1) ... [2024-10-13 15:53:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:53:05,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:53:05,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:53:05,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:53:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 15:53:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 15:53:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:53:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:53:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:53:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:53:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:53:06,051 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:53:06,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:53:06,295 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 15:53:06,295 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:53:06,327 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:53:06,330 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 15:53:06,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:53:06 BoogieIcfgContainer [2024-10-13 15:53:06,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:53:06,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:53:06,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:53:06,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:53:06,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:53:04" (1/3) ... [2024-10-13 15:53:06,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d0ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:53:06, skipping insertion in model container [2024-10-13 15:53:06,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:05" (2/3) ... [2024-10-13 15:53:06,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d0ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:53:06, skipping insertion in model container [2024-10-13 15:53:06,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:53:06" (3/3) ... [2024-10-13 15:53:06,337 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_04_good.i [2024-10-13 15:53:06,350 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:53:06,350 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 15:53:06,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:53:06,427 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;@4e965d3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:53:06,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 15:53:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 45 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 15:53:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 15:53:06,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:06,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:06,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:06,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:06,453 INFO L85 PathProgramCache]: Analyzing trace with hash 592525310, now seen corresponding path program 1 times [2024-10-13 15:53:06,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:06,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650267091] [2024-10-13 15:53:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:06,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:53:06,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:06,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650267091] [2024-10-13 15:53:06,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650267091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:06,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:06,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:06,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982896930] [2024-10-13 15:53:06,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:06,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:06,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:06,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:06,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:06,842 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 45 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:53:06,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:06,886 INFO L93 Difference]: Finished difference Result 107 states and 140 transitions. [2024-10-13 15:53:06,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:06,888 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-13 15:53:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:06,897 INFO L225 Difference]: With dead ends: 107 [2024-10-13 15:53:06,897 INFO L226 Difference]: Without dead ends: 56 [2024-10-13 15:53:06,900 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 [2024-10-13 15:53:06,906 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 5 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:06,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 137 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-13 15:53:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2024-10-13 15:53:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 42 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 15:53:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2024-10-13 15:53:06,936 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 11 [2024-10-13 15:53:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:06,937 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2024-10-13 15:53:06,937 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:53:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2024-10-13 15:53:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 15:53:06,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:06,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:06,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:53:06,939 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:06,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:06,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1188415490, now seen corresponding path program 1 times [2024-10-13 15:53:06,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:06,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628243098] [2024-10-13 15:53:06,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:06,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:53:06,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628243098] [2024-10-13 15:53:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628243098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:06,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:06,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:06,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606551281] [2024-10-13 15:53:06,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:06,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:06,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:06,997 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:53:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,012 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2024-10-13 15:53:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-13 15:53:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,013 INFO L225 Difference]: With dead ends: 54 [2024-10-13 15:53:07,013 INFO L226 Difference]: Without dead ends: 53 [2024-10-13 15:53:07,015 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 [2024-10-13 15:53:07,016 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 111 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-13 15:53:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-10-13 15:53:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 41 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 15:53:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2024-10-13 15:53:07,027 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 12 [2024-10-13 15:53:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,027 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2024-10-13 15:53:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:53:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-10-13 15:53:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 15:53:07,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,028 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:53:07,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,029 INFO L85 PathProgramCache]: Analyzing trace with hash -859746870, now seen corresponding path program 1 times [2024-10-13 15:53:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267178691] [2024-10-13 15:53:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 15:53:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267178691] [2024-10-13 15:53:07,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267178691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:53:07,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272212405] [2024-10-13 15:53:07,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,098 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:53:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,112 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2024-10-13 15:53:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-10-13 15:53:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,114 INFO L225 Difference]: With dead ends: 86 [2024-10-13 15:53:07,115 INFO L226 Difference]: Without dead ends: 48 [2024-10-13 15:53:07,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,116 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-13 15:53:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-13 15:53:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 39 states have internal predecessors, (47), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-10-13 15:53:07,128 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 20 [2024-10-13 15:53:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,128 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-10-13 15:53:07,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:53:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2024-10-13 15:53:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 15:53:07,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 15:53:07,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,131 INFO L85 PathProgramCache]: Analyzing trace with hash 155214931, now seen corresponding path program 1 times [2024-10-13 15:53:07,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573472060] [2024-10-13 15:53:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573472060] [2024-10-13 15:53:07,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573472060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858066465] [2024-10-13 15:53:07,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,188 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 15:53:07,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,215 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2024-10-13 15:53:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-13 15:53:07,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,216 INFO L225 Difference]: With dead ends: 75 [2024-10-13 15:53:07,216 INFO L226 Difference]: Without dead ends: 50 [2024-10-13 15:53:07,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,217 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 4 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 99 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-13 15:53:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-10-13 15:53:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 40 states have internal predecessors, (49), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-10-13 15:53:07,222 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 21 [2024-10-13 15:53:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,222 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-10-13 15:53:07,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 15:53:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-10-13 15:53:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 15:53:07,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 15:53:07,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,224 INFO L85 PathProgramCache]: Analyzing trace with hash 516695653, now seen corresponding path program 1 times [2024-10-13 15:53:07,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465219129] [2024-10-13 15:53:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465219129] [2024-10-13 15:53:07,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465219129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936912166] [2024-10-13 15:53:07,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,271 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 15:53:07,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,285 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2024-10-13 15:53:07,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-13 15:53:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,286 INFO L225 Difference]: With dead ends: 50 [2024-10-13 15:53:07,286 INFO L226 Difference]: Without dead ends: 49 [2024-10-13 15:53:07,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,287 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-13 15:53:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-10-13 15:53:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 39 states have internal predecessors, (48), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2024-10-13 15:53:07,291 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 22 [2024-10-13 15:53:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,291 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2024-10-13 15:53:07,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 15:53:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2024-10-13 15:53:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 15:53:07,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 15:53:07,293 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1147060726, now seen corresponding path program 1 times [2024-10-13 15:53:07,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576189535] [2024-10-13 15:53:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576189535] [2024-10-13 15:53:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576189535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 15:53:07,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941661241] [2024-10-13 15:53:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,333 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:53:07,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,356 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2024-10-13 15:53:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-10-13 15:53:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,358 INFO L225 Difference]: With dead ends: 84 [2024-10-13 15:53:07,358 INFO L226 Difference]: Without dead ends: 44 [2024-10-13 15:53:07,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,360 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 42 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-13 15:53:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-13 15:53:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-10-13 15:53:07,366 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 23 [2024-10-13 15:53:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,366 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-10-13 15:53:07,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 15:53:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-10-13 15:53:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 15:53:07,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,367 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 15:53:07,367 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1323064200, now seen corresponding path program 1 times [2024-10-13 15:53:07,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785914453] [2024-10-13 15:53:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 15:53:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785914453] [2024-10-13 15:53:07,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785914453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589773998] [2024-10-13 15:53:07,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,417 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 15:53:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,433 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-10-13 15:53:07,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-10-13 15:53:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,434 INFO L225 Difference]: With dead ends: 44 [2024-10-13 15:53:07,435 INFO L226 Difference]: Without dead ends: 43 [2024-10-13 15:53:07,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,435 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-13 15:53:07,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-13 15:53:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.15625) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-10-13 15:53:07,443 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 30 [2024-10-13 15:53:07,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,443 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-10-13 15:53:07,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 15:53:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-10-13 15:53:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 15:53:07,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,445 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 15:53:07,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1934682874, now seen corresponding path program 1 times [2024-10-13 15:53:07,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143554574] [2024-10-13 15:53:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 15:53:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 15:53:07,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143554574] [2024-10-13 15:53:07,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143554574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633439192] [2024-10-13 15:53:07,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,530 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 15:53:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,549 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-10-13 15:53:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-10-13 15:53:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,550 INFO L225 Difference]: With dead ends: 43 [2024-10-13 15:53:07,550 INFO L226 Difference]: Without dead ends: 42 [2024-10-13 15:53:07,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,551 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-13 15:53:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-10-13 15:53:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-10-13 15:53:07,558 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 31 [2024-10-13 15:53:07,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,558 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-10-13 15:53:07,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 15:53:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-10-13 15:53:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 15:53:07,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 15:53:07,560 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1836406295, now seen corresponding path program 1 times [2024-10-13 15:53:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511252288] [2024-10-13 15:53:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 15:53:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:53:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 15:53:07,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511252288] [2024-10-13 15:53:07,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511252288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183870200] [2024-10-13 15:53:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,604 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 15:53:07,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,614 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2024-10-13 15:53:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-10-13 15:53:07,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,615 INFO L225 Difference]: With dead ends: 42 [2024-10-13 15:53:07,615 INFO L226 Difference]: Without dead ends: 41 [2024-10-13 15:53:07,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,616 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 83 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-13 15:53:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-13 15:53:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 15:53:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-10-13 15:53:07,620 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 39 [2024-10-13 15:53:07,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,621 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-10-13 15:53:07,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 15:53:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-10-13 15:53:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 15:53:07,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:53:07,622 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 15:53:07,622 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 15:53:07,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:53:07,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1094020430, now seen corresponding path program 1 times [2024-10-13 15:53:07,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:53:07,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848791432] [2024-10-13 15:53:07,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:53:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:53:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:53:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 15:53:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 15:53:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 15:53:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:53:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 15:53:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:53:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848791432] [2024-10-13 15:53:07,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848791432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:53:07,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:53:07,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:53:07,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223087355] [2024-10-13 15:53:07,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:53:07,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:53:07,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:53:07,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:53:07,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,664 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 15:53:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:53:07,672 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2024-10-13 15:53:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:53:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-10-13 15:53:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:53:07,673 INFO L225 Difference]: With dead ends: 41 [2024-10-13 15:53:07,673 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 15:53:07,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:53:07,674 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:53:07,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:53:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 15:53:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 15:53:07,675 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) [2024-10-13 15:53:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 15:53:07,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-10-13 15:53:07,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:53:07,675 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 15:53:07,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 15:53:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 15:53:07,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 15:53:07,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 15:53:07,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 15:53:07,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 15:53:07,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 15:53:07,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 15:53:07,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 15:53:07,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 15:53:07,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 15:53:07,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 15:53:07,681 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:53:07,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 15:53:07,735 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:53:07,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:53:07 BoogieIcfgContainer [2024-10-13 15:53:07,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:53:07,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:53:07,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:53:07,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:53:07,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:53:06" (3/4) ... [2024-10-13 15:53:07,749 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 15:53:07,752 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 15:53:07,752 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 15:53:07,756 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 15:53:07,756 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-13 15:53:07,757 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 15:53:07,757 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 15:53:07,824 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 15:53:07,824 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 15:53:07,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:53:07,825 INFO L158 Benchmark]: Toolchain (without parser) took 2927.05ms. Allocated memory was 184.5MB in the beginning and 276.8MB in the end (delta: 92.3MB). Free memory was 111.3MB in the beginning and 193.6MB in the end (delta: -82.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,825 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory was 143.4MB in the beginning and 143.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:53:07,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.87ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 98.4MB in the end (delta: 12.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.35ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 95.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,826 INFO L158 Benchmark]: Boogie Preprocessor took 28.38ms. Allocated memory is still 184.5MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,826 INFO L158 Benchmark]: RCFGBuilder took 499.31ms. Allocated memory is still 184.5MB. Free memory was 92.4MB in the beginning and 75.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,826 INFO L158 Benchmark]: TraceAbstraction took 1414.56ms. Allocated memory was 184.5MB in the beginning and 276.8MB in the end (delta: 92.3MB). Free memory was 74.4MB in the beginning and 198.9MB in the end (delta: -124.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:53:07,827 INFO L158 Benchmark]: Witness Printer took 77.40ms. Allocated memory is still 276.8MB. Free memory was 198.9MB in the beginning and 193.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 15:53:07,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory was 143.4MB in the beginning and 143.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.87ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 98.4MB in the end (delta: 12.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.35ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 95.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.38ms. Allocated memory is still 184.5MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.31ms. Allocated memory is still 184.5MB. Free memory was 92.4MB in the beginning and 75.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1414.56ms. Allocated memory was 184.5MB in the beginning and 276.8MB in the end (delta: 92.3MB). Free memory was 74.4MB in the beginning and 198.9MB in the end (delta: -124.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.40ms. Allocated memory is still 276.8MB. Free memory was 198.9MB in the beginning and 193.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 868 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 362 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 506 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 10 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 15:53:07,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE