./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-crafted/bAnd2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/array-crafted/bAnd2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash a719405da03132817ea2d2d0b1cf4a57bb1050c6860d4dd23b83fe81ff2289e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:01:32,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:01:32,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:01:32,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:01:32,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:01:32,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:01:32,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:01:32,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:01:32,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:01:32,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:01:32,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:01:32,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:01:32,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:01:32,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:01:32,773 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:01:32,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:01:32,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:01:32,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:01:32,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:01:32,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:01:32,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:01:32,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:01:32,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:01:32,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:01:32,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:01:32,780 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:01:32,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:01:32,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:01:32,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:01:32,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:01:32,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:01:32,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:01:32,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:01:32,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:01:32,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:32,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:01:32,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:01:32,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:01:32,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:01:32,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:01:32,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:01:32,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:01:32,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:01:32,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:01:32,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a719405da03132817ea2d2d0b1cf4a57bb1050c6860d4dd23b83fe81ff2289e3 [2024-11-19 10:01:33,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:01:33,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:01:33,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:01:33,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:01:33,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:01:33,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/bAnd2.i [2024-11-19 10:01:34,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:01:34,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:01:34,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bAnd2.i [2024-11-19 10:01:34,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993a40992/2a96e4f43f994ee69ecaac68ee090f38/FLAG5abc88b27 [2024-11-19 10:01:35,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993a40992/2a96e4f43f994ee69ecaac68ee090f38 [2024-11-19 10:01:35,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:01:35,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:01:35,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:35,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:01:35,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:01:35,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2f746b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35, skipping insertion in model container [2024-11-19 10:01:35,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:01:35,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:35,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:01:35,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:35,429 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:01:35,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35 WrapperNode [2024-11-19 10:01:35,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:35,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:35,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:01:35,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:01:35,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,490 INFO L138 Inliner]: procedures = 16, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2024-11-19 10:01:35,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:35,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:01:35,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:01:35,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:01:35,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,555 INFO L175 MemorySlicer]: Split 21 memory accesses to 3 slices as follows [2, 8, 11]. 52 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 5 writes are split as follows [0, 0, 5]. [2024-11-19 10:01:35,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:01:35,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:01:35,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:01:35,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:01:35,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (1/1) ... [2024-11-19 10:01:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:35,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:35,614 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) [2024-11-19 10:01:35,621 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 [2024-11-19 10:01:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:01:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2024-11-19 10:01:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2024-11-19 10:01:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:01:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:01:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:01:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:01:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:01:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:01:35,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:01:35,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:01:36,029 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-19 10:01:36,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:01:36,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:01:36,044 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 10:01:36,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:36 BoogieIcfgContainer [2024-11-19 10:01:36,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:01:36,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:01:36,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:01:36,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:01:36,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:01:35" (1/3) ... [2024-11-19 10:01:36,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791ba1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:36, skipping insertion in model container [2024-11-19 10:01:36,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:35" (2/3) ... [2024-11-19 10:01:36,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791ba1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:36, skipping insertion in model container [2024-11-19 10:01:36,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:36" (3/3) ... [2024-11-19 10:01:36,052 INFO L112 eAbstractionObserver]: Analyzing ICFG bAnd2.i [2024-11-19 10:01:36,067 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:01:36,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 10:01:36,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:01:36,131 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;@205e6cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:01:36,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 10:01:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 42 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:01:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:01:36,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:36,143 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:01:36,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:36,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:36,148 INFO L85 PathProgramCache]: Analyzing trace with hash 60190793, now seen corresponding path program 1 times [2024-11-19 10:01:36,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:36,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004092531] [2024-11-19 10:01:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:36,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:36,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004092531] [2024-11-19 10:01:36,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004092531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:36,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:36,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:36,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406233037] [2024-11-19 10:01:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:36,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:36,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:36,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:36,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:36,448 INFO L87 Difference]: Start difference. First operand has 47 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 42 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-19 10:01:36,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:36,501 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2024-11-19 10:01:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:36,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-19 10:01:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:36,515 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:01:36,516 INFO L226 Difference]: Without dead ends: 43 [2024-11-19 10:01:36,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:36,522 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:36,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 136 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-19 10:01:36,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-19 10:01:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 39 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-11-19 10:01:36,558 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 5 [2024-11-19 10:01:36,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:36,559 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-11-19 10:01:36,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-19 10:01:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-11-19 10:01:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:01:36,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:36,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:01:36,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:01:36,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:36,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:36,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1997023365, now seen corresponding path program 1 times [2024-11-19 10:01:36,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:36,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461188818] [2024-11-19 10:01:36,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:36,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:36,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:36,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461188818] [2024-11-19 10:01:36,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461188818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:36,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751458879] [2024-11-19 10:01:36,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:36,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:36,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:36,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:36,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:01:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:36,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:36,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:36,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:36,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751458879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:36,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:36,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:01:36,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196889249] [2024-11-19 10:01:36,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:36,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:01:36,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:36,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:01:36,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:36,898 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2024-11-19 10:01:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:36,949 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-11-19 10:01:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:01:36,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2024-11-19 10:01:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:36,950 INFO L225 Difference]: With dead ends: 43 [2024-11-19 10:01:36,950 INFO L226 Difference]: Without dead ends: 42 [2024-11-19 10:01:36,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:36,952 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:36,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:36,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-19 10:01:36,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-19 10:01:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 38 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-11-19 10:01:36,961 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 9 [2024-11-19 10:01:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:36,962 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-11-19 10:01:36,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2024-11-19 10:01:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-11-19 10:01:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:01:36,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:36,963 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-19 10:01:36,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:01:37,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:37,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:37,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:37,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1778182250, now seen corresponding path program 1 times [2024-11-19 10:01:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:37,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724383813] [2024-11-19 10:01:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:01:37,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:37,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724383813] [2024-11-19 10:01:37,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724383813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:37,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:37,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:37,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822148668] [2024-11-19 10:01:37,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:37,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:37,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:37,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:37,253 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-19 10:01:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:37,281 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2024-11-19 10:01:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2024-11-19 10:01:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:37,283 INFO L225 Difference]: With dead ends: 42 [2024-11-19 10:01:37,284 INFO L226 Difference]: Without dead ends: 41 [2024-11-19 10:01:37,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:37,286 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 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 [2024-11-19 10:01:37,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:37,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-19 10:01:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-11-19 10:01:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 34 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-11-19 10:01:37,299 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 10 [2024-11-19 10:01:37,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:37,299 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-19 10:01:37,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-19 10:01:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-19 10:01:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:01:37,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:37,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:37,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:01:37,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:37,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:37,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1870148605, now seen corresponding path program 1 times [2024-11-19 10:01:37,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:37,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255099579] [2024-11-19 10:01:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:37,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255099579] [2024-11-19 10:01:37,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255099579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321526388] [2024-11-19 10:01:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:37,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:37,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:01:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:37,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:01:37,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:37,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:37,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321526388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:37,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:37,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:01:37,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607810143] [2024-11-19 10:01:37,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:37,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:01:37,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:37,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:01:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:37,576 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:37,630 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-19 10:01:37,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:01:37,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 10:01:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:37,632 INFO L225 Difference]: With dead ends: 77 [2024-11-19 10:01:37,632 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 10:01:37,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:37,633 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:37,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 225 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 10:01:37,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-19 10:01:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 42 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2024-11-19 10:01:37,649 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 15 [2024-11-19 10:01:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:37,649 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2024-11-19 10:01:37,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2024-11-19 10:01:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:01:37,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:37,650 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:37,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:37,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 10:01:37,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:37,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1313474683, now seen corresponding path program 2 times [2024-11-19 10:01:37,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:37,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518201831] [2024-11-19 10:01:37,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:37,870 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:37,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:01:37,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518201831] [2024-11-19 10:01:37,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518201831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:37,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:37,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:37,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986234895] [2024-11-19 10:01:37,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:37,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:37,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:37,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:37,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:37,950 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:37,979 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2024-11-19 10:01:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:37,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-19 10:01:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:37,980 INFO L225 Difference]: With dead ends: 83 [2024-11-19 10:01:37,980 INFO L226 Difference]: Without dead ends: 54 [2024-11-19 10:01:37,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:37,982 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:37,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 113 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-19 10:01:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-19 10:01:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 50 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-19 10:01:37,988 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 23 [2024-11-19 10:01:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:37,988 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-19 10:01:37,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-19 10:01:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:01:37,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:37,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:37,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:01:37,990 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:37,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash -290348524, now seen corresponding path program 1 times [2024-11-19 10:01:37,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:37,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752155076] [2024-11-19 10:01:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:38,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:38,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752155076] [2024-11-19 10:01:38,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752155076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:38,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263615320] [2024-11-19 10:01:38,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:38,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:38,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:38,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:38,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:01:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:38,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:01:38,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:38,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:38,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263615320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:38,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:38,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 10:01:38,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789701779] [2024-11-19 10:01:38,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:38,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:01:38,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:38,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:01:38,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:01:38,426 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:38,494 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2024-11-19 10:01:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:01:38,495 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-19 10:01:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:38,495 INFO L225 Difference]: With dead ends: 109 [2024-11-19 10:01:38,495 INFO L226 Difference]: Without dead ends: 70 [2024-11-19 10:01:38,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:01:38,497 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:38,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 259 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-19 10:01:38,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-19 10:01:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 66 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2024-11-19 10:01:38,503 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 29 [2024-11-19 10:01:38,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:38,504 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2024-11-19 10:01:38,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2024-11-19 10:01:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:01:38,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:38,505 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:38,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:01:38,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:38,706 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:38,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:38,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2078163196, now seen corresponding path program 2 times [2024-11-19 10:01:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112571386] [2024-11-19 10:01:38,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:38,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:38,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-19 10:01:38,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112571386] [2024-11-19 10:01:38,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112571386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629928862] [2024-11-19 10:01:38,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:38,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:38,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:38,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:38,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:01:38,917 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:38,917 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:38,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:01:38,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:39,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629928862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:39,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:39,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-11-19 10:01:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47409332] [2024-11-19 10:01:39,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-19 10:01:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-19 10:01:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 10:01:39,601 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:39,762 INFO L93 Difference]: Finished difference Result 140 states and 164 transitions. [2024-11-19 10:01:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-19 10:01:39,763 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-11-19 10:01:39,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:39,764 INFO L225 Difference]: With dead ends: 140 [2024-11-19 10:01:39,764 INFO L226 Difference]: Without dead ends: 101 [2024-11-19 10:01:39,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 10:01:39,766 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 11 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:39,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 355 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:39,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-19 10:01:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-19 10:01:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 97 states have internal predecessors, (104), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2024-11-19 10:01:39,783 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 45 [2024-11-19 10:01:39,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:39,783 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2024-11-19 10:01:39,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2024-11-19 10:01:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:01:39,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:39,786 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:39,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:01:39,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:39,987 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:39,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:39,987 INFO L85 PathProgramCache]: Analyzing trace with hash -705641515, now seen corresponding path program 1 times [2024-11-19 10:01:39,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:39,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266599822] [2024-11-19 10:01:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-19 10:01:40,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:40,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266599822] [2024-11-19 10:01:40,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266599822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:40,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:40,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:40,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674648168] [2024-11-19 10:01:40,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:40,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:40,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:40,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:40,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:40,088 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:40,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:40,099 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-11-19 10:01:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:40,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-19 10:01:40,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:40,101 INFO L225 Difference]: With dead ends: 101 [2024-11-19 10:01:40,101 INFO L226 Difference]: Without dead ends: 98 [2024-11-19 10:01:40,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:40,102 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 103 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 [2024-11-19 10:01:40,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 103 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:40,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-19 10:01:40,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 91. [2024-11-19 10:01:40,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 87 states have internal predecessors, (92), 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) [2024-11-19 10:01:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2024-11-19 10:01:40,113 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 78 [2024-11-19 10:01:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:40,114 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2024-11-19 10:01:40,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2024-11-19 10:01:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 10:01:40,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:40,118 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:40,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:01:40,118 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:40,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash 653918318, now seen corresponding path program 1 times [2024-11-19 10:01:40,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:40,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180997568] [2024-11-19 10:01:40,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:40,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-19 10:01:40,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:40,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180997568] [2024-11-19 10:01:40,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180997568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:40,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610774060] [2024-11-19 10:01:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:40,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:40,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:40,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:40,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:01:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:40,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:01:40,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-19 10:01:40,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:40,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610774060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:40,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:40,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:01:40,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825573603] [2024-11-19 10:01:40,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:40,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:40,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:40,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:40,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:40,479 INFO L87 Difference]: Start difference. First operand 91 states and 96 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, (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) [2024-11-19 10:01:40,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:40,505 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2024-11-19 10:01:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:40,506 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, (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 92 [2024-11-19 10:01:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:40,507 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:01:40,507 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:01:40,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:40,508 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:40,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:01:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-19 10:01:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.0930232558139534) internal successors, (94), 89 states have internal predecessors, (94), 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) [2024-11-19 10:01:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2024-11-19 10:01:40,527 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 92 [2024-11-19 10:01:40,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:40,529 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2024-11-19 10:01:40,529 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, (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) [2024-11-19 10:01:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2024-11-19 10:01:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 10:01:40,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:40,531 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:40,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:01:40,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:40,732 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:40,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:40,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1203368523, now seen corresponding path program 1 times [2024-11-19 10:01:40,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:40,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373216380] [2024-11-19 10:01:40,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:40,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-19 10:01:40,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373216380] [2024-11-19 10:01:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373216380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719649313] [2024-11-19 10:01:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:40,874 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:40,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:01:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:40,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:01:40,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-19 10:01:41,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:41,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719649313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:41,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:41,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:01:41,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589902320] [2024-11-19 10:01:41,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:41,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:41,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:41,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:41,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:41,012 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-19 10:01:41,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:41,028 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2024-11-19 10:01:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:41,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 93 [2024-11-19 10:01:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:41,029 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:01:41,029 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:01:41,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:41,030 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:41,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:41,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:01:41,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-11-19 10:01:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 90 states have internal predecessors, (95), 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) [2024-11-19 10:01:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2024-11-19 10:01:41,036 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 93 [2024-11-19 10:01:41,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:41,037 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2024-11-19 10:01:41,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-19 10:01:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2024-11-19 10:01:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 10:01:41,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:41,038 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:41,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:01:41,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:41,242 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:41,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:41,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1090944745, now seen corresponding path program 1 times [2024-11-19 10:01:41,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:41,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051581801] [2024-11-19 10:01:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:41,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-19 10:01:41,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051581801] [2024-11-19 10:01:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051581801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508912050] [2024-11-19 10:01:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:41,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:41,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:41,367 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:41,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:01:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:41,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 10:01:41,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:01:42,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:01:43,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508912050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:43,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:43,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-19 10:01:43,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328359824] [2024-11-19 10:01:43,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:43,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-19 10:01:43,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:43,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-19 10:01:43,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-19 10:01:43,246 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand has 67 states, 67 states have (on average 2.5074626865671643) internal successors, (168), 67 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:01:43,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:43,478 INFO L93 Difference]: Finished difference Result 202 states and 234 transitions. [2024-11-19 10:01:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-19 10:01:43,479 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.5074626865671643) internal successors, (168), 67 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 95 [2024-11-19 10:01:43,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:43,480 INFO L225 Difference]: With dead ends: 202 [2024-11-19 10:01:43,480 INFO L226 Difference]: Without dead ends: 171 [2024-11-19 10:01:43,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-19 10:01:43,482 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 13 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:43,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 313 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:01:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-19 10:01:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2024-11-19 10:01:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 159 states have (on average 1.0628930817610063) internal successors, (169), 162 states have internal predecessors, (169), 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) [2024-11-19 10:01:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 173 transitions. [2024-11-19 10:01:43,492 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 173 transitions. Word has length 95 [2024-11-19 10:01:43,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:43,492 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 173 transitions. [2024-11-19 10:01:43,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.5074626865671643) internal successors, (168), 67 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:01:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 173 transitions. [2024-11-19 10:01:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 10:01:43,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:43,494 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:43,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:01:43,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:43,699 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:43,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:43,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1123495177, now seen corresponding path program 2 times [2024-11-19 10:01:43,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:43,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565440973] [2024-11-19 10:01:43,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:43,728 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:43,728 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2024-11-19 10:01:43,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:43,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565440973] [2024-11-19 10:01:43,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565440973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:43,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:43,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118424791] [2024-11-19 10:01:43,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:43,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:43,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:43,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:43,756 INFO L87 Difference]: Start difference. First operand 166 states and 173 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-19 10:01:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:43,782 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2024-11-19 10:01:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:43,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 171 [2024-11-19 10:01:43,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:43,784 INFO L225 Difference]: With dead ends: 171 [2024-11-19 10:01:43,784 INFO L226 Difference]: Without dead ends: 169 [2024-11-19 10:01:43,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:43,785 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:43,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 89 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:43,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-19 10:01:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-19 10:01:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 162 states have (on average 1.0617283950617284) internal successors, (172), 165 states have internal predecessors, (172), 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) [2024-11-19 10:01:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2024-11-19 10:01:43,793 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 171 [2024-11-19 10:01:43,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:43,793 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2024-11-19 10:01:43,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-19 10:01:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2024-11-19 10:01:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 10:01:43,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:43,799 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:43,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:01:43,799 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:43,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:43,799 INFO L85 PathProgramCache]: Analyzing trace with hash 635423668, now seen corresponding path program 1 times [2024-11-19 10:01:43,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:43,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292837745] [2024-11-19 10:01:43,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:43,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2024-11-19 10:01:44,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292837745] [2024-11-19 10:01:44,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292837745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855378578] [2024-11-19 10:01:44,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:44,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:44,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:44,025 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:44,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:01:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:44,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-19 10:01:44,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-19 10:01:45,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-19 10:01:48,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855378578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:48,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:48,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 65, 65] total 131 [2024-11-19 10:01:48,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600984694] [2024-11-19 10:01:48,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:48,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-11-19 10:01:48,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:48,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-11-19 10:01:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4166, Invalid=12864, Unknown=0, NotChecked=0, Total=17030 [2024-11-19 10:01:48,978 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand has 131 states, 131 states have (on average 2.2900763358778624) internal successors, (300), 131 states have internal predecessors, (300), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:01:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:49,420 INFO L93 Difference]: Finished difference Result 343 states and 390 transitions. [2024-11-19 10:01:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-11-19 10:01:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 131 states have (on average 2.2900763358778624) internal successors, (300), 131 states have internal predecessors, (300), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 174 [2024-11-19 10:01:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:49,422 INFO L225 Difference]: With dead ends: 343 [2024-11-19 10:01:49,422 INFO L226 Difference]: Without dead ends: 301 [2024-11-19 10:01:49,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4773 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4166, Invalid=12864, Unknown=0, NotChecked=0, Total=17030 [2024-11-19 10:01:49,427 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:49,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 349 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:01:49,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-19 10:01:49,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2024-11-19 10:01:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 292 states have (on average 1.0342465753424657) internal successors, (302), 295 states have internal predecessors, (302), 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) [2024-11-19 10:01:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 306 transitions. [2024-11-19 10:01:49,437 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 306 transitions. Word has length 174 [2024-11-19 10:01:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:49,437 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 306 transitions. [2024-11-19 10:01:49,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 2.2900763358778624) internal successors, (300), 131 states have internal predecessors, (300), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:01:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 306 transitions. [2024-11-19 10:01:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-19 10:01:49,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:49,441 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:49,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:01:49,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:01:49,642 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:49,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2012532049, now seen corresponding path program 1 times [2024-11-19 10:01:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624226718] [2024-11-19 10:01:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 7927 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7925 trivial. 0 not checked. [2024-11-19 10:01:49,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:49,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624226718] [2024-11-19 10:01:49,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624226718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:49,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:49,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:01:49,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201116211] [2024-11-19 10:01:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:49,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:49,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:49,862 INFO L87 Difference]: Start difference. First operand 299 states and 306 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-19 10:01:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:49,878 INFO L93 Difference]: Finished difference Result 299 states and 306 transitions. [2024-11-19 10:01:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:49,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 303 [2024-11-19 10:01:49,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:49,880 INFO L225 Difference]: With dead ends: 299 [2024-11-19 10:01:49,880 INFO L226 Difference]: Without dead ends: 298 [2024-11-19 10:01:49,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:49,881 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:49,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 61 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-19 10:01:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-19 10:01:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 292 states have (on average 1.0308219178082192) internal successors, (301), 294 states have internal predecessors, (301), 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) [2024-11-19 10:01:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 305 transitions. [2024-11-19 10:01:49,891 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 305 transitions. Word has length 303 [2024-11-19 10:01:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:49,891 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 305 transitions. [2024-11-19 10:01:49,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-19 10:01:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 305 transitions. [2024-11-19 10:01:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-19 10:01:49,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:49,895 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:49,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:01:49,895 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:49,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1308012655, now seen corresponding path program 1 times [2024-11-19 10:01:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:49,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188591291] [2024-11-19 10:01:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7929 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2024-11-19 10:01:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188591291] [2024-11-19 10:01:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188591291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:50,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:50,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:50,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893193267] [2024-11-19 10:01:50,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:50,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:50,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:50,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:50,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:50,158 INFO L87 Difference]: Start difference. First operand 298 states and 305 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-19 10:01:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:50,177 INFO L93 Difference]: Finished difference Result 298 states and 305 transitions. [2024-11-19 10:01:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:50,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 305 [2024-11-19 10:01:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:50,179 INFO L225 Difference]: With dead ends: 298 [2024-11-19 10:01:50,179 INFO L226 Difference]: Without dead ends: 296 [2024-11-19 10:01:50,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:50,181 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:50,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 81 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:50,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-19 10:01:50,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2024-11-19 10:01:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 290 states have (on average 1.0241379310344827) internal successors, (297), 290 states have internal predecessors, (297), 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) [2024-11-19 10:01:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 301 transitions. [2024-11-19 10:01:50,190 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 301 transitions. Word has length 305 [2024-11-19 10:01:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:50,191 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 301 transitions. [2024-11-19 10:01:50,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-19 10:01:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 301 transitions. [2024-11-19 10:01:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-19 10:01:50,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:50,194 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:50,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:01:50,194 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:50,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:50,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1893686536, now seen corresponding path program 1 times [2024-11-19 10:01:50,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:50,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557442945] [2024-11-19 10:01:50,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:50,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7930 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7925 trivial. 0 not checked. [2024-11-19 10:01:50,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:50,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557442945] [2024-11-19 10:01:50,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557442945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:50,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:50,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:50,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566775196] [2024-11-19 10:01:50,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:50,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:50,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:50,451 INFO L87 Difference]: Start difference. First operand 294 states and 301 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:01:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:50,467 INFO L93 Difference]: Finished difference Result 294 states and 301 transitions. [2024-11-19 10:01:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:50,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 306 [2024-11-19 10:01:50,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:50,468 INFO L225 Difference]: With dead ends: 294 [2024-11-19 10:01:50,468 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:01:50,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:50,470 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:50,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:01:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:01:50,471 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) [2024-11-19 10:01:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:01:50,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 306 [2024-11-19 10:01:50,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:50,472 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:01:50,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:01:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:01:50,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:01:50,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-19 10:01:50,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-19 10:01:50,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 10:01:50,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 10:01:50,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 10:01:50,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 10:01:50,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 10:01:50,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 10:01:50,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:01:50,481 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:50,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:01:50,569 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:01:50,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:01:50 BoogieIcfgContainer [2024-11-19 10:01:50,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:01:50,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:01:50,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:01:50,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:01:50,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:36" (3/4) ... [2024-11-19 10:01:50,592 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:01:50,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bAnd [2024-11-19 10:01:50,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-19 10:01:50,602 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 10:01:50,602 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:01:50,602 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:01:50,602 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:01:50,702 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:01:50,702 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:01:50,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:01:50,703 INFO L158 Benchmark]: Toolchain (without parser) took 15550.73ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 108.0MB in the beginning and 160.6MB in the end (delta: -52.6MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,703 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:01:50,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.41ms. Allocated memory is still 176.2MB. Free memory was 107.8MB in the beginning and 95.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 149.0MB in the end (delta: -54.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,703 INFO L158 Benchmark]: Boogie Preprocessor took 84.54ms. Allocated memory is still 176.2MB. Free memory was 149.0MB in the beginning and 146.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,703 INFO L158 Benchmark]: RCFGBuilder took 467.89ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 131.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,704 INFO L158 Benchmark]: TraceAbstraction took 14541.80ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.4MB in the beginning and 165.9MB in the end (delta: -35.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,704 INFO L158 Benchmark]: Witness Printer took 113.24ms. Allocated memory is still 255.9MB. Free memory was 165.9MB in the beginning and 160.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:01:50,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.41ms. Allocated memory is still 176.2MB. Free memory was 107.8MB in the beginning and 95.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 149.0MB in the end (delta: -54.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.54ms. Allocated memory is still 176.2MB. Free memory was 149.0MB in the beginning and 146.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.89ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 131.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14541.80ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 130.4MB in the beginning and 165.9MB in the end (delta: -35.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 113.24ms. Allocated memory is still 255.9MB. Free memory was 165.9MB in the beginning and 160.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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 2 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 16, TraceHistogramMax: 63, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 2551 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1990 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1122 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 561 mSDtfsCounter, 1122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 281 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6280 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=13, InterpolantAutomatonStates: 296, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 22 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 2305 NumberOfCodeBlocks, 2138 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2634 ConstructedInterpolants, 0 QuantifiedInterpolants, 3788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2057 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 29 InterpolantComputations, 11 PerfectInterpolantSequences, 30588/35519 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 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((1 < i) || (i == 1)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((i == 0) || (0 < i)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (0 < (2147483650 + i)) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:01:50,735 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