./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/recHanoi01.c --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/recursive/recHanoi01.c -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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:08:05,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:08:05,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:08:05,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:08:05,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:08:05,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:08:05,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:08:05,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:08:05,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:08:05,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:08:05,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:08:05,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:08:05,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:08:05,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:08:05,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:08:05,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:08:05,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:08:05,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:08:05,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:08:05,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:08:05,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:08:05,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:08:05,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:08:05,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:08:05,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:08:05,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:08:05,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:08:05,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:08:05,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:08:05,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:08:05,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:08:05,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:08:05,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:08:05,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:08:05,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:08:05,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:08:05,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:08:05,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:08:05,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:08:05,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:08:05,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:08:05,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:08:05,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:08:05,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:08:05,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2024-11-19 11:08:05,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:08:05,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:08:05,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:08:05,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:08:05,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:08:05,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2024-11-19 11:08:06,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:08:07,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:08:07,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2024-11-19 11:08:07,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5035edf2/f9d0241c1fa34aea8ce0af6d8a81f012/FLAG869967d07 [2024-11-19 11:08:07,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5035edf2/f9d0241c1fa34aea8ce0af6d8a81f012 [2024-11-19 11:08:07,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:08:07,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:08:07,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:08:07,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:08:07,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:08:07,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf5e907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07, skipping insertion in model container [2024-11-19 11:08:07,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:08:07,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:08:07,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:08:07,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:08:07,281 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:08:07,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07 WrapperNode [2024-11-19 11:08:07,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:08:07,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:08:07,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:08:07,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:08:07,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,309 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-19 11:08:07,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:08:07,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:08:07,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:08:07,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:08:07,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,335 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 11:08:07,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:08:07,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:08:07,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:08:07,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:08:07,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (1/1) ... [2024-11-19 11:08:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:08:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:07,374 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 11:08:07,376 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 11:08:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:08:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-11-19 11:08:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-11-19 11:08:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-19 11:08:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-19 11:08:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:08:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:08:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:08:07,469 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:08:07,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:08:07,639 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-19 11:08:07,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:08:07,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:08:07,656 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:08:07,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:08:07 BoogieIcfgContainer [2024-11-19 11:08:07,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:08:07,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:08:07,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:08:07,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:08:07,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:08:07" (1/3) ... [2024-11-19 11:08:07,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c39b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:08:07, skipping insertion in model container [2024-11-19 11:08:07,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:08:07" (2/3) ... [2024-11-19 11:08:07,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c39b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:08:07, skipping insertion in model container [2024-11-19 11:08:07,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:08:07" (3/3) ... [2024-11-19 11:08:07,666 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-11-19 11:08:07,681 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:08:07,682 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-19 11:08:07,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:08:07,787 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;@725fcbe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:08:07,787 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-19 11:08:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 11:08:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 11:08:07,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:07,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:07,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:07,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:07,803 INFO L85 PathProgramCache]: Analyzing trace with hash -163862552, now seen corresponding path program 1 times [2024-11-19 11:08:07,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:07,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699597898] [2024-11-19 11:08:07,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:08,109 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 11:08:08,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:08,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699597898] [2024-11-19 11:08:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699597898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:08,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:08:08,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:08:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787730926] [2024-11-19 11:08:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:08,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:08:08,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:08,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:08:08,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:08:08,147 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 11:08:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:08,234 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2024-11-19 11:08:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:08:08,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 7 [2024-11-19 11:08:08,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:08,245 INFO L225 Difference]: With dead ends: 84 [2024-11-19 11:08:08,245 INFO L226 Difference]: Without dead ends: 66 [2024-11-19 11:08:08,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:08:08,250 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:08,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:08:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-19 11:08:08,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2024-11-19 11:08:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 11:08:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-19 11:08:08,296 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2024-11-19 11:08:08,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:08,297 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-19 11:08:08,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 11:08:08,298 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-19 11:08:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 11:08:08,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:08,299 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:08,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 11:08:08,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:08,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:08,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1441878698, now seen corresponding path program 1 times [2024-11-19 11:08:08,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:08,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107616356] [2024-11-19 11:08:08,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:08,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:08,399 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 11:08:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107616356] [2024-11-19 11:08:08,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107616356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:08,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:08:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:08:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053267916] [2024-11-19 11:08:08,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:08,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:08:08,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:08,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:08:08,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:08:08,406 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 11:08:08,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:08,495 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2024-11-19 11:08:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:08:08,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 9 [2024-11-19 11:08:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:08,498 INFO L225 Difference]: With dead ends: 78 [2024-11-19 11:08:08,498 INFO L226 Difference]: Without dead ends: 55 [2024-11-19 11:08:08,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:08:08,500 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:08,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 141 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:08,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-19 11:08:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2024-11-19 11:08:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 44 states have internal predecessors, (47), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 11:08:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2024-11-19 11:08:08,512 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2024-11-19 11:08:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:08,513 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2024-11-19 11:08:08,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 11:08:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2024-11-19 11:08:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 11:08:08,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:08,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:08,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 11:08:08,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:08,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1748566720, now seen corresponding path program 1 times [2024-11-19 11:08:08,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:08,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512304667] [2024-11-19 11:08:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:08,628 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 11:08:08,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:08,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512304667] [2024-11-19 11:08:08,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512304667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:08,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:08:08,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:08:08,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108645059] [2024-11-19 11:08:08,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:08,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:08:08,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:08,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:08:08,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:08:08,631 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 11:08:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:08,715 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2024-11-19 11:08:08,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:08:08,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2024-11-19 11:08:08,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:08,720 INFO L225 Difference]: With dead ends: 55 [2024-11-19 11:08:08,721 INFO L226 Difference]: Without dead ends: 53 [2024-11-19 11:08:08,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:08:08,723 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:08,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 108 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:08,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-19 11:08:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-19 11:08:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 11:08:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-19 11:08:08,740 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2024-11-19 11:08:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-19 11:08:08,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 11:08:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-19 11:08:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 11:08:08,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:08,742 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:08,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 11:08:08,742 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:08,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:08,742 INFO L85 PathProgramCache]: Analyzing trace with hash -895197661, now seen corresponding path program 1 times [2024-11-19 11:08:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9287] [2024-11-19 11:08:08,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:08,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:08,895 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 11:08:08,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:08,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9287] [2024-11-19 11:08:08,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:08,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700763336] [2024-11-19 11:08:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:08,900 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 11:08:08,903 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 11:08:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:08,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:08:08,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:09,040 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 11:08:09,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:08:09,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700763336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:09,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:08:09,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 11:08:09,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654044994] [2024-11-19 11:08:09,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:09,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:08:09,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:09,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:08:09,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:08:09,046 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 11:08:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:09,079 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-19 11:08:09,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:08:09,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2024-11-19 11:08:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:09,080 INFO L225 Difference]: With dead ends: 51 [2024-11-19 11:08:09,080 INFO L226 Difference]: Without dead ends: 50 [2024-11-19 11:08:09,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:08:09,082 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:09,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 114 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:08:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-19 11:08:09,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-19 11:08:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 11:08:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-11-19 11:08:09,100 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2024-11-19 11:08:09,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:09,100 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-11-19 11:08:09,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 11:08:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-19 11:08:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 11:08:09,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:09,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:09,118 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 11:08:09,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:09,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:09,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:09,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1981323677, now seen corresponding path program 1 times [2024-11-19 11:08:09,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:09,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489051648] [2024-11-19 11:08:09,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:09,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:09,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:09,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489051648] [2024-11-19 11:08:09,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489051648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:09,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905688074] [2024-11-19 11:08:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:09,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:09,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:09,393 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 11:08:09,394 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 11:08:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:09,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 11:08:09,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:09,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:09,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905688074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:09,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:09,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 11:08:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138782354] [2024-11-19 11:08:09,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:09,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:08:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:09,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:08:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:08:09,561 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:09,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:09,751 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2024-11-19 11:08:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 11:08:09,752 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 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 11:08:09,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:09,757 INFO L225 Difference]: With dead ends: 157 [2024-11-19 11:08:09,759 INFO L226 Difference]: Without dead ends: 156 [2024-11-19 11:08:09,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:08:09,760 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 126 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:09,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 260 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:09,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-19 11:08:09,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2024-11-19 11:08:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.3) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2024-11-19 11:08:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2024-11-19 11:08:09,785 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2024-11-19 11:08:09,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:09,786 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2024-11-19 11:08:09,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2024-11-19 11:08:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 11:08:09,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:09,787 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:09,799 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 11:08:09,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:09,988 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:09,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:09,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1291491803, now seen corresponding path program 1 times [2024-11-19 11:08:09,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:09,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793620955] [2024-11-19 11:08:09,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:09,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:10,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:10,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793620955] [2024-11-19 11:08:10,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793620955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:10,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263544157] [2024-11-19 11:08:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:10,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:10,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:10,086 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 11:08:10,087 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 11:08:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:10,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:08:10,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:10,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:10,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263544157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:10,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:10,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 11:08:10,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857157804] [2024-11-19 11:08:10,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:10,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:08:10,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:10,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:08:10,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:08:10,238 INFO L87 Difference]: Start difference. First operand 89 states and 120 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:10,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:10,352 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2024-11-19 11:08:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:08:10,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-19 11:08:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:10,354 INFO L225 Difference]: With dead ends: 95 [2024-11-19 11:08:10,354 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 11:08:10,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:08:10,356 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:10,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 209 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 11:08:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-19 11:08:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 73 states have internal predecessors, (75), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2024-11-19 11:08:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2024-11-19 11:08:10,380 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2024-11-19 11:08:10,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:10,380 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2024-11-19 11:08:10,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2024-11-19 11:08:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 11:08:10,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:10,382 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:10,399 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 11:08:10,582 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 11:08:10,583 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:10,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash 978877444, now seen corresponding path program 1 times [2024-11-19 11:08:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:10,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378739771] [2024-11-19 11:08:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:10,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:10,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378739771] [2024-11-19 11:08:10,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378739771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:10,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:08:10,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:08:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167005934] [2024-11-19 11:08:10,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:10,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:08:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:10,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:08:10,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:08:10,636 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 11:08:10,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:10,672 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2024-11-19 11:08:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:08:10,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-19 11:08:10,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:10,673 INFO L225 Difference]: With dead ends: 113 [2024-11-19 11:08:10,673 INFO L226 Difference]: Without dead ends: 108 [2024-11-19 11:08:10,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:08:10,675 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 28 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:10,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 135 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:08:10,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-19 11:08:10,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2024-11-19 11:08:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-19 11:08:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2024-11-19 11:08:10,691 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2024-11-19 11:08:10,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:10,691 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2024-11-19 11:08:10,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 11:08:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2024-11-19 11:08:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 11:08:10,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:10,692 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:10,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 11:08:10,693 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:10,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:10,693 INFO L85 PathProgramCache]: Analyzing trace with hash 280429750, now seen corresponding path program 1 times [2024-11-19 11:08:10,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:10,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81826978] [2024-11-19 11:08:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:08:10,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:10,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81826978] [2024-11-19 11:08:10,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81826978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:10,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45220955] [2024-11-19 11:08:10,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:10,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:10,784 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 11:08:10,786 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 11:08:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:10,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 11:08:10,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:10,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:08:10,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45220955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:10,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:08:10,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-19 11:08:10,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742016938] [2024-11-19 11:08:10,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:10,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:08:10,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:10,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:08:10,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:08:10,878 INFO L87 Difference]: Start difference. First operand 103 states and 135 transitions. Second operand has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 11:08:10,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:10,912 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2024-11-19 11:08:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:08:10,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-19 11:08:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:10,914 INFO L225 Difference]: With dead ends: 105 [2024-11-19 11:08:10,914 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 11:08:10,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:08:10,915 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:10,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 104 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:08:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 11:08:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-19 11:08:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 80 states have internal predecessors, (86), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-19 11:08:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-11-19 11:08:10,930 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2024-11-19 11:08:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:10,931 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-19 11:08:10,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 11:08:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2024-11-19 11:08:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 11:08:10,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:10,932 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:10,949 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 11:08:11,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:11,133 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:11,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:11,134 INFO L85 PathProgramCache]: Analyzing trace with hash 533107753, now seen corresponding path program 1 times [2024-11-19 11:08:11,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:11,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960126220] [2024-11-19 11:08:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:11,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:11,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:11,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960126220] [2024-11-19 11:08:11,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960126220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:11,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617649981] [2024-11-19 11:08:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:11,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:11,216 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 11:08:11,218 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 11:08:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:11,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:08:11,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:11,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:11,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617649981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:11,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:11,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 11:08:11,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644288430] [2024-11-19 11:08:11,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:11,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:08:11,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:11,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:08:11,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:08:11,394 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. Second operand has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 11:08:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:11,523 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2024-11-19 11:08:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:08:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2024-11-19 11:08:11,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:11,526 INFO L225 Difference]: With dead ends: 163 [2024-11-19 11:08:11,526 INFO L226 Difference]: Without dead ends: 162 [2024-11-19 11:08:11,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:08:11,527 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 173 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:11,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 259 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-19 11:08:11,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2024-11-19 11:08:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2024-11-19 11:08:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2024-11-19 11:08:11,546 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2024-11-19 11:08:11,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:11,546 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2024-11-19 11:08:11,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 11:08:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2024-11-19 11:08:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 11:08:11,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:11,548 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:11,564 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 11:08:11,752 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 11:08:11,753 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:11,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash -976431123, now seen corresponding path program 1 times [2024-11-19 11:08:11,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:11,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227303681] [2024-11-19 11:08:11,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:11,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 11:08:11,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:11,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227303681] [2024-11-19 11:08:11,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227303681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:08:11,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:08:11,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:08:11,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369867267] [2024-11-19 11:08:11,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:08:11,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:08:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:11,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:08:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:08:11,797 INFO L87 Difference]: Start difference. First operand 138 states and 184 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 11:08:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:11,827 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2024-11-19 11:08:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:08:11,828 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-11-19 11:08:11,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:11,829 INFO L225 Difference]: With dead ends: 175 [2024-11-19 11:08:11,829 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 11:08:11,830 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 11:08:11,830 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:11,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:08:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 11:08:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-19 11:08:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.224) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2024-11-19 11:08:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2024-11-19 11:08:11,863 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2024-11-19 11:08:11,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:11,863 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2024-11-19 11:08:11,864 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 11:08:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2024-11-19 11:08:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 11:08:11,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:11,869 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-19 11:08:11,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 11:08:11,869 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:11,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:11,870 INFO L85 PathProgramCache]: Analyzing trace with hash 985458174, now seen corresponding path program 2 times [2024-11-19 11:08:11,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:11,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062271202] [2024-11-19 11:08:11,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:08:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:11,885 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:08:11,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:12,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:12,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062271202] [2024-11-19 11:08:12,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062271202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:12,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294193255] [2024-11-19 11:08:12,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:08:12,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:12,151 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 11:08:12,154 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 11:08:12,212 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:08:12,213 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:12,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 11:08:12,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:12,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294193255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:12,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-19 11:08:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631987836] [2024-11-19 11:08:12,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:12,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 11:08:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 11:08:12,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-19 11:08:12,487 INFO L87 Difference]: Start difference. First operand 164 states and 210 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:13,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:13,017 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2024-11-19 11:08:13,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 11:08:13,018 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-19 11:08:13,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:13,026 INFO L225 Difference]: With dead ends: 1095 [2024-11-19 11:08:13,026 INFO L226 Difference]: Without dead ends: 1094 [2024-11-19 11:08:13,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 11:08:13,029 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 653 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:13,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 417 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:08:13,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-19 11:08:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2024-11-19 11:08:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2024-11-19 11:08:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2024-11-19 11:08:13,076 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2024-11-19 11:08:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:13,076 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2024-11-19 11:08:13,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2024-11-19 11:08:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 11:08:13,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:13,081 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:13,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 11:08:13,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:13,282 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:13,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash 603763268, now seen corresponding path program 2 times [2024-11-19 11:08:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:13,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507842807] [2024-11-19 11:08:13,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:08:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:13,293 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:08:13,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:08:13,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507842807] [2024-11-19 11:08:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507842807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168225726] [2024-11-19 11:08:13,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:08:13,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:13,513 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 11:08:13,514 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 11:08:13,565 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:08:13,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:13,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 11:08:13,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:13,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:08:13,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168225726] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:13,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:13,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 26 [2024-11-19 11:08:13,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20937378] [2024-11-19 11:08:13,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:13,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 11:08:13,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:13,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 11:08:13,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:08:13,842 INFO L87 Difference]: Start difference. First operand 266 states and 435 transitions. Second operand has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 11:08:14,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:14,250 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2024-11-19 11:08:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 11:08:14,250 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 48 [2024-11-19 11:08:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:14,253 INFO L225 Difference]: With dead ends: 421 [2024-11-19 11:08:14,253 INFO L226 Difference]: Without dead ends: 420 [2024-11-19 11:08:14,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406 [2024-11-19 11:08:14,254 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 532 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:14,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 411 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:08:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-19 11:08:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2024-11-19 11:08:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 293 states have (on average 1.2184300341296928) internal successors, (357), 306 states have internal predecessors, (357), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2024-11-19 11:08:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2024-11-19 11:08:14,296 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2024-11-19 11:08:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:14,297 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2024-11-19 11:08:14,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 11:08:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2024-11-19 11:08:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 11:08:14,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:14,298 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:14,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 11:08:14,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:14,499 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:14,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:14,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1788578095, now seen corresponding path program 1 times [2024-11-19 11:08:14,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:14,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745717042] [2024-11-19 11:08:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:14,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 11:08:14,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745717042] [2024-11-19 11:08:14,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745717042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022840752] [2024-11-19 11:08:14,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:08:14,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:14,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:14,701 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 11:08:14,702 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 11:08:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:08:14,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 11:08:14,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 11:08:14,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:08:15,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022840752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:15,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:15,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 23 [2024-11-19 11:08:15,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198194723] [2024-11-19 11:08:15,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:15,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:08:15,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:15,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:08:15,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:08:15,223 INFO L87 Difference]: Start difference. First operand 380 states and 579 transitions. Second operand has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-19 11:08:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:15,614 INFO L93 Difference]: Finished difference Result 697 states and 1209 transitions. [2024-11-19 11:08:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 11:08:15,615 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) Word has length 48 [2024-11-19 11:08:15,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:15,620 INFO L225 Difference]: With dead ends: 697 [2024-11-19 11:08:15,620 INFO L226 Difference]: Without dead ends: 550 [2024-11-19 11:08:15,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930 [2024-11-19 11:08:15,623 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:15,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 202 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:08:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-19 11:08:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 505. [2024-11-19 11:08:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 380 states have (on average 1.1710526315789473) internal successors, (445), 392 states have internal predecessors, (445), 70 states have call successors, (70), 33 states have call predecessors, (70), 49 states have return successors, (387), 79 states have call predecessors, (387), 58 states have call successors, (387) [2024-11-19 11:08:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 902 transitions. [2024-11-19 11:08:15,708 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 902 transitions. Word has length 48 [2024-11-19 11:08:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:15,708 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 902 transitions. [2024-11-19 11:08:15,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-19 11:08:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 902 transitions. [2024-11-19 11:08:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 11:08:15,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:15,711 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:08:15,727 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 11:08:15,911 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 11:08:15,912 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:15,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:15,912 INFO L85 PathProgramCache]: Analyzing trace with hash 220460964, now seen corresponding path program 3 times [2024-11-19 11:08:15,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:15,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033181234] [2024-11-19 11:08:15,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:08:15,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:15,921 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 11:08:15,921 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 85 proven. 42 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-19 11:08:16,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:16,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033181234] [2024-11-19 11:08:16,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033181234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:16,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264236288] [2024-11-19 11:08:16,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:08:16,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:16,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:08:16,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 11:08:16,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 11:08:16,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:16,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 11:08:16,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-19 11:08:16,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-19 11:08:16,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264236288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:16,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:16,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 13 [2024-11-19 11:08:16,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563670690] [2024-11-19 11:08:16,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:16,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:08:16,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:16,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:08:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:08:16,268 INFO L87 Difference]: Start difference. First operand 505 states and 902 transitions. Second operand has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 11:08:16,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:16,403 INFO L93 Difference]: Finished difference Result 511 states and 908 transitions. [2024-11-19 11:08:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 11:08:16,404 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-11-19 11:08:16,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:16,407 INFO L225 Difference]: With dead ends: 511 [2024-11-19 11:08:16,407 INFO L226 Difference]: Without dead ends: 243 [2024-11-19 11:08:16,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:08:16,409 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:16,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 67 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:08:16,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-19 11:08:16,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 214. [2024-11-19 11:08:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 148 states have (on average 1.0743243243243243) internal successors, (159), 158 states have internal predecessors, (159), 38 states have call successors, (38), 11 states have call predecessors, (38), 27 states have return successors, (199), 44 states have call predecessors, (199), 27 states have call successors, (199) [2024-11-19 11:08:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 396 transitions. [2024-11-19 11:08:16,443 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 396 transitions. Word has length 78 [2024-11-19 11:08:16,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:16,444 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 396 transitions. [2024-11-19 11:08:16,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 11:08:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 396 transitions. [2024-11-19 11:08:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 11:08:16,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:16,447 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-19 11:08:16,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 11:08:16,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 11:08:16,652 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:16,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1229352162, now seen corresponding path program 3 times [2024-11-19 11:08:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:16,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101775905] [2024-11-19 11:08:16,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:08:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:16,682 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:08:16,682 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:17,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101775905] [2024-11-19 11:08:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101775905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690400364] [2024-11-19 11:08:17,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:08:17,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:17,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:17,367 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:08:17,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 11:08:17,452 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:08:17,452 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:17,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-19 11:08:17,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:17,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:18,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690400364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:18,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:18,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 49 [2024-11-19 11:08:18,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594598419] [2024-11-19 11:08:18,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:18,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 11:08:18,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:18,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 11:08:18,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=1805, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 11:08:18,223 INFO L87 Difference]: Start difference. First operand 214 states and 396 transitions. Second operand has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:19,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:19,510 INFO L93 Difference]: Finished difference Result 419 states and 1080 transitions. [2024-11-19 11:08:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-19 11:08:19,511 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 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 11:08:19,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:19,518 INFO L225 Difference]: With dead ends: 419 [2024-11-19 11:08:19,518 INFO L226 Difference]: Without dead ends: 418 [2024-11-19 11:08:19,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1429, Invalid=3683, Unknown=0, NotChecked=0, Total=5112 [2024-11-19 11:08:19,521 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 422 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:19,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 258 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:08:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-19 11:08:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2024-11-19 11:08:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 292 states have (on average 1.0787671232876712) internal successors, (315), 314 states have internal predecessors, (315), 74 states have call successors, (74), 23 states have call predecessors, (74), 51 states have return successors, (679), 80 states have call predecessors, (679), 51 states have call successors, (679) [2024-11-19 11:08:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 1068 transitions. [2024-11-19 11:08:19,599 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 1068 transitions. Word has length 78 [2024-11-19 11:08:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:19,600 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 1068 transitions. [2024-11-19 11:08:19,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1068 transitions. [2024-11-19 11:08:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 11:08:19,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:19,610 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-19 11:08:19,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 11:08:19,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 11:08:19,810 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:19,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash -515525282, now seen corresponding path program 4 times [2024-11-19 11:08:19,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:19,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290330579] [2024-11-19 11:08:19,811 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:08:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:19,897 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:08:19,897 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:22,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:22,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290330579] [2024-11-19 11:08:22,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290330579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084181900] [2024-11-19 11:08:22,160 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:08:22,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:22,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:22,162 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:08:22,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 11:08:22,301 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:08:22,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:22,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-19 11:08:22,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:22,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:24,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084181900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:24,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:24,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-11-19 11:08:24,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780324130] [2024-11-19 11:08:24,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:24,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 11:08:24,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:24,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 11:08:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 11:08:24,507 INFO L87 Difference]: Start difference. First operand 418 states and 1068 transitions. Second operand has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:08:31,255 INFO L93 Difference]: Finished difference Result 827 states and 3300 transitions. [2024-11-19 11:08:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-19 11:08:31,255 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2024-11-19 11:08:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:08:31,276 INFO L225 Difference]: With dead ends: 827 [2024-11-19 11:08:31,276 INFO L226 Difference]: Without dead ends: 826 [2024-11-19 11:08:31,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2024-11-19 11:08:31,284 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1058 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:08:31,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 437 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 11:08:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-19 11:08:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2024-11-19 11:08:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 580 states have (on average 1.0810344827586207) internal successors, (627), 626 states have internal predecessors, (627), 146 states have call successors, (146), 47 states have call predecessors, (146), 99 states have return successors, (2503), 152 states have call predecessors, (2503), 99 states have call successors, (2503) [2024-11-19 11:08:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 3276 transitions. [2024-11-19 11:08:31,400 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 3276 transitions. Word has length 162 [2024-11-19 11:08:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:08:31,400 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 3276 transitions. [2024-11-19 11:08:31,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:08:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 3276 transitions. [2024-11-19 11:08:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-19 11:08:31,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:08:31,439 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-19 11:08:31,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 11:08:31,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 11:08:31,639 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 11:08:31,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:08:31,640 INFO L85 PathProgramCache]: Analyzing trace with hash 727783902, now seen corresponding path program 5 times [2024-11-19 11:08:31,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:08:31,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620755318] [2024-11-19 11:08:31,640 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 11:08:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:08:32,062 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 11:08:32,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:39,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:08:39,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620755318] [2024-11-19 11:08:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620755318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:08:39,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750584233] [2024-11-19 11:08:39,881 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 11:08:39,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:08:39,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:08:39,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:08:39,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 11:08:40,215 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 11:08:40,215 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:08:40,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-11-19 11:08:40,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:08:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:40,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:08:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:08:46,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750584233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:08:46,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:08:46,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 95, 95] total 190 [2024-11-19 11:08:46,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64534673] [2024-11-19 11:08:46,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:08:46,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-11-19 11:08:46,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:08:46,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-11-19 11:08:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9215, Invalid=27075, Unknown=0, NotChecked=0, Total=36290 [2024-11-19 11:08:46,801 INFO L87 Difference]: Start difference. First operand 826 states and 3276 transitions. Second operand has 191 states, 189 states have (on average 2.9894179894179893) internal successors, (565), 191 states have internal predecessors, (565), 95 states have call successors, (95), 94 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)