./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.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 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:59:56,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:59:56,944 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:59:56,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:59:56,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:59:56,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:59:56,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:59:56,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:59:56,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:59:56,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:59:56,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:59:56,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:59:56,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:59:56,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:59:56,985 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:59:56,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:59:56,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:59:56,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:59:56,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:59:56,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:59:56,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:59:56,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:59:56,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:59:56,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:59:56,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:59:56,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:59:56,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:59:56,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:59:56,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:59:56,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:59:56,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:59:56,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:59:56,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:59:56,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:59:56,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 [2024-11-22 22:59:57,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:59:57,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:59:57,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:59:57,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:59:57,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:59:57,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-11-22 22:59:58,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:59:58,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:59:58,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-11-22 22:59:58,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60596772b/e4dcaa80de72422c8fc64235b8abea38/FLAGf4f16b191 [2024-11-22 22:59:59,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60596772b/e4dcaa80de72422c8fc64235b8abea38 [2024-11-22 22:59:59,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:59:59,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:59:59,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:59:59,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:59:59,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:59:59,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2876ba27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59, skipping insertion in model container [2024-11-22 22:59:59,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:59:59,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:59:59,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:59:59,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:59:59,279 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:59:59,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59 WrapperNode [2024-11-22 22:59:59,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:59:59,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:59:59,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:59:59,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:59:59,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,317 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-11-22 22:59:59,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:59:59,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:59:59,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:59:59,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:59:59,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,341 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]. [2024-11-22 22:59:59,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:59:59,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:59:59,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:59:59,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:59:59,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (1/1) ... [2024-11-22 22:59:59,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:59:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:59:59,405 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) [2024-11-22 22:59:59,409 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 [2024-11-22 22:59:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:59:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:59:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:59:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:59:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:59:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:59:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:59:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:59:59,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:59:59,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:59:59,870 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-22 22:59:59,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:59:59,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:59:59,893 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:59:59,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:59 BoogieIcfgContainer [2024-11-22 22:59:59,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:59:59,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:59:59,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:59:59,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:59:59,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:59:59" (1/3) ... [2024-11-22 22:59:59,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861695c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:59, skipping insertion in model container [2024-11-22 22:59:59,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:59:59" (2/3) ... [2024-11-22 22:59:59,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861695c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:59:59, skipping insertion in model container [2024-11-22 22:59:59,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:59:59" (3/3) ... [2024-11-22 22:59:59,901 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound20.c [2024-11-22 22:59:59,914 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:59:59,914 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-11-22 22:59:59,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:59:59,994 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;@7547a36d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:59:59,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-22 23:00:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 100 states have (on average 1.89) internal successors, (189), 184 states have internal predecessors, (189), 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) [2024-11-22 23:00:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 23:00:00,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:00,028 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:00,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:00,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:00,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1552832064, now seen corresponding path program 1 times [2024-11-22 23:00:00,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:00,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000544209] [2024-11-22 23:00:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 23:00:00,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:00,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000544209] [2024-11-22 23:00:00,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000544209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:00:00,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251431726] [2024-11-22 23:00:00,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:00:00,147 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) [2024-11-22 23:00:00,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 23:00:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:00,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 23:00:00,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:00:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 23:00:00,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:00:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251431726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:00:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 23:00:00,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565952897] [2024-11-22 23:00:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:00,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 23:00:00,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:00,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 23:00:00,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 23:00:00,223 INFO L87 Difference]: Start difference. First operand has 192 states, 100 states have (on average 1.89) internal successors, (189), 184 states have internal predecessors, (189), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 23:00:00,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:00,245 INFO L93 Difference]: Finished difference Result 367 states and 398 transitions. [2024-11-22 23:00:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 23:00:00,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-22 23:00:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:00,252 INFO L225 Difference]: With dead ends: 367 [2024-11-22 23:00:00,252 INFO L226 Difference]: Without dead ends: 172 [2024-11-22 23:00:00,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 23:00:00,257 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:00,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:00:00,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-22 23:00:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-22 23:00:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 95 states have (on average 1.7473684210526317) internal successors, (166), 165 states have internal predecessors, (166), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 23:00:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-22 23:00:00,290 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 15 [2024-11-22 23:00:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:00,290 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-22 23:00:00,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 23:00:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-22 23:00:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 23:00:00,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:00,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:00,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 23:00:00,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 23:00:00,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:00,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:00,496 INFO L85 PathProgramCache]: Analyzing trace with hash -794512385, now seen corresponding path program 1 times [2024-11-22 23:00:00,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:00,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729932810] [2024-11-22 23:00:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:00,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:00,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729932810] [2024-11-22 23:00:00,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729932810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:00,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:00,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 23:00:00,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070317487] [2024-11-22 23:00:00,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:00,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 23:00:00,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 23:00:00,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:00,574 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:00,880 INFO L93 Difference]: Finished difference Result 309 states and 321 transitions. [2024-11-22 23:00:00,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 23:00:00,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-22 23:00:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:00,882 INFO L225 Difference]: With dead ends: 309 [2024-11-22 23:00:00,882 INFO L226 Difference]: Without dead ends: 253 [2024-11-22 23:00:00,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:00,884 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:00,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 127 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 23:00:00,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-22 23:00:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 247. [2024-11-22 23:00:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 169 states have (on average 1.5029585798816567) internal successors, (254), 239 states have internal predecessors, (254), 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) [2024-11-22 23:00:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 264 transitions. [2024-11-22 23:00:00,898 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 264 transitions. Word has length 15 [2024-11-22 23:00:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:00,899 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 264 transitions. [2024-11-22 23:00:00,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 264 transitions. [2024-11-22 23:00:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 23:00:00,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:00,900 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:00,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 23:00:00,901 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:00,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1381401701, now seen corresponding path program 1 times [2024-11-22 23:00:00,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:00,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597346281] [2024-11-22 23:00:00,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:00,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:01,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:01,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597346281] [2024-11-22 23:00:01,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597346281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:01,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:01,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 23:00:01,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860395097] [2024-11-22 23:00:01,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:01,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 23:00:01,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:01,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 23:00:01,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:01,018 INFO L87 Difference]: Start difference. First operand 247 states and 264 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:01,080 INFO L93 Difference]: Finished difference Result 266 states and 278 transitions. [2024-11-22 23:00:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 23:00:01,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-22 23:00:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:01,082 INFO L225 Difference]: With dead ends: 266 [2024-11-22 23:00:01,083 INFO L226 Difference]: Without dead ends: 261 [2024-11-22 23:00:01,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:01,084 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 58 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:01,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 296 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:00:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-22 23:00:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 254. [2024-11-22 23:00:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4829545454545454) internal successors, (261), 246 states have internal predecessors, (261), 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) [2024-11-22 23:00:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 271 transitions. [2024-11-22 23:00:01,101 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 271 transitions. Word has length 43 [2024-11-22 23:00:01,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:01,101 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 271 transitions. [2024-11-22 23:00:01,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2024-11-22 23:00:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 23:00:01,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:01,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:01,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 23:00:01,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:01,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -382136867, now seen corresponding path program 1 times [2024-11-22 23:00:01,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:01,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111028085] [2024-11-22 23:00:01,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:01,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:01,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:01,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111028085] [2024-11-22 23:00:01,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111028085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:01,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:01,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:00:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952793458] [2024-11-22 23:00:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:01,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:00:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:00:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:01,185 INFO L87 Difference]: Start difference. First operand 254 states and 271 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:01,474 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2024-11-22 23:00:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:00:01,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2024-11-22 23:00:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:01,476 INFO L225 Difference]: With dead ends: 265 [2024-11-22 23:00:01,476 INFO L226 Difference]: Without dead ends: 260 [2024-11-22 23:00:01,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:01,477 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:01,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 255 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 23:00:01,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-22 23:00:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 254. [2024-11-22 23:00:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 176 states have (on average 1.4545454545454546) internal successors, (256), 246 states have internal predecessors, (256), 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) [2024-11-22 23:00:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 266 transitions. [2024-11-22 23:00:01,487 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 266 transitions. Word has length 45 [2024-11-22 23:00:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:01,509 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 266 transitions. [2024-11-22 23:00:01,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 266 transitions. [2024-11-22 23:00:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 23:00:01,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:01,511 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:01,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 23:00:01,511 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:01,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1038659119, now seen corresponding path program 1 times [2024-11-22 23:00:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:01,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508100661] [2024-11-22 23:00:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:01,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:01,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508100661] [2024-11-22 23:00:01,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508100661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:01,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:01,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:00:01,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521666457] [2024-11-22 23:00:01,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:01,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:00:01,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:01,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:00:01,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:01,609 INFO L87 Difference]: Start difference. First operand 254 states and 266 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:01,743 INFO L93 Difference]: Finished difference Result 264 states and 268 transitions. [2024-11-22 23:00:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:00:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-22 23:00:01,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:01,745 INFO L225 Difference]: With dead ends: 264 [2024-11-22 23:00:01,746 INFO L226 Difference]: Without dead ends: 226 [2024-11-22 23:00:01,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:01,747 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 125 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:01,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 246 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:00:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-22 23:00:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2024-11-22 23:00:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5352112676056338) internal successors, (218), 212 states have internal predecessors, (218), 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) [2024-11-22 23:00:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 228 transitions. [2024-11-22 23:00:01,754 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 228 transitions. Word has length 46 [2024-11-22 23:00:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:01,754 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 228 transitions. [2024-11-22 23:00:01,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 23:00:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 228 transitions. [2024-11-22 23:00:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 23:00:01,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:01,755 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:01,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 23:00:01,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:01,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2035500068, now seen corresponding path program 1 times [2024-11-22 23:00:01,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:01,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9067269] [2024-11-22 23:00:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:01,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:01,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:01,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9067269] [2024-11-22 23:00:01,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9067269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:01,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:01,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 23:00:01,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202637728] [2024-11-22 23:00:01,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:01,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 23:00:01,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:01,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 23:00:01,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:01,805 INFO L87 Difference]: Start difference. First operand 220 states and 228 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:01,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:01,818 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2024-11-22 23:00:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 23:00:01,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-22 23:00:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:01,819 INFO L225 Difference]: With dead ends: 222 [2024-11-22 23:00:01,819 INFO L226 Difference]: Without dead ends: 220 [2024-11-22 23:00:01,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:01,820 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:01,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 337 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:00:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-22 23:00:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-22 23:00:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 212 states have internal predecessors, (216), 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) [2024-11-22 23:00:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2024-11-22 23:00:01,827 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 55 [2024-11-22 23:00:01,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:01,828 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2024-11-22 23:00:01,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2024-11-22 23:00:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 23:00:01,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:01,829 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:01,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 23:00:01,830 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:01,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:01,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1567344674, now seen corresponding path program 1 times [2024-11-22 23:00:01,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:01,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799810930] [2024-11-22 23:00:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:01,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:00:01,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680965305] [2024-11-22 23:00:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:00:01,849 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) [2024-11-22 23:00:01,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 23:00:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:01,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 23:00:01,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:00:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:02,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:00:02,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799810930] [2024-11-22 23:00:02,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:00:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680965305] [2024-11-22 23:00:02,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680965305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:02,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:02,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:00:02,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375777493] [2024-11-22 23:00:02,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:02,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:00:02,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:02,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:00:02,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:02,005 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:02,319 INFO L93 Difference]: Finished difference Result 359 states and 375 transitions. [2024-11-22 23:00:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:00:02,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2024-11-22 23:00:02,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:02,321 INFO L225 Difference]: With dead ends: 359 [2024-11-22 23:00:02,321 INFO L226 Difference]: Without dead ends: 305 [2024-11-22 23:00:02,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:02,322 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 90 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:02,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 23:00:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-22 23:00:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2024-11-22 23:00:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.4018264840182648) internal successors, (307), 289 states have internal predecessors, (307), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:00:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 321 transitions. [2024-11-22 23:00:02,329 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 321 transitions. Word has length 60 [2024-11-22 23:00:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:02,330 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 321 transitions. [2024-11-22 23:00:02,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 321 transitions. [2024-11-22 23:00:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 23:00:02,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:02,332 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:02,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 23:00:02,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-22 23:00:02,537 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:02,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:02,538 INFO L85 PathProgramCache]: Analyzing trace with hash 787058728, now seen corresponding path program 1 times [2024-11-22 23:00:02,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:02,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391390320] [2024-11-22 23:00:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391390320] [2024-11-22 23:00:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391390320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:00:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504880305] [2024-11-22 23:00:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:02,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:00:02,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:00:02,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:02,658 INFO L87 Difference]: Start difference. First operand 299 states and 321 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:02,737 INFO L93 Difference]: Finished difference Result 300 states and 321 transitions. [2024-11-22 23:00:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:00:02,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2024-11-22 23:00:02,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:02,740 INFO L225 Difference]: With dead ends: 300 [2024-11-22 23:00:02,740 INFO L226 Difference]: Without dead ends: 299 [2024-11-22 23:00:02,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:00:02,741 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 39 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:02,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 280 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:00:02,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-22 23:00:02,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-22 23:00:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 219 states have (on average 1.3972602739726028) internal successors, (306), 289 states have internal predecessors, (306), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:00:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 320 transitions. [2024-11-22 23:00:02,749 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 320 transitions. Word has length 66 [2024-11-22 23:00:02,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:02,749 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 320 transitions. [2024-11-22 23:00:02,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 320 transitions. [2024-11-22 23:00:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 23:00:02,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:02,750 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:02,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 23:00:02,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:02,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash 668996806, now seen corresponding path program 1 times [2024-11-22 23:00:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:02,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181752131] [2024-11-22 23:00:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:02,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:00:02,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747210411] [2024-11-22 23:00:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:02,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:00:02,805 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) [2024-11-22 23:00:02,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 23:00:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:02,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 23:00:02,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:00:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 23:00:02,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:00:02,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181752131] [2024-11-22 23:00:02,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:00:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747210411] [2024-11-22 23:00:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747210411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:00:02,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:00:02,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 23:00:02,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206004685] [2024-11-22 23:00:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:02,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 23:00:02,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:02,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 23:00:02,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:02,989 INFO L87 Difference]: Start difference. First operand 299 states and 320 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:03,037 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2024-11-22 23:00:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 23:00:03,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-11-22 23:00:03,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:03,038 INFO L225 Difference]: With dead ends: 299 [2024-11-22 23:00:03,038 INFO L226 Difference]: Without dead ends: 296 [2024-11-22 23:00:03,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 23:00:03,039 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:03,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 159 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:00:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-22 23:00:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-22 23:00:03,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 219 states have (on average 1.3744292237442923) internal successors, (301), 286 states have internal predecessors, (301), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:00:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 315 transitions. [2024-11-22 23:00:03,050 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 315 transitions. Word has length 96 [2024-11-22 23:00:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:03,051 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 315 transitions. [2024-11-22 23:00:03,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 315 transitions. [2024-11-22 23:00:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 23:00:03,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:03,054 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:03,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 23:00:03,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:03,255 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:03,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash -735935390, now seen corresponding path program 1 times [2024-11-22 23:00:03,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:03,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964407299] [2024-11-22 23:00:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:03,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:00:03,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344339921] [2024-11-22 23:00:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:03,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:00:03,282 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) [2024-11-22 23:00:03,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 23:00:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:03,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 23:00:03,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:00:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:03,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:00:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:03,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:03,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964407299] [2024-11-22 23:00:03,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:00:03,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344339921] [2024-11-22 23:00:03,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344339921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:00:03,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 23:00:03,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-22 23:00:03,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846383268] [2024-11-22 23:00:03,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 23:00:03,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 23:00:03,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:03,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 23:00:03,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:00:03,701 INFO L87 Difference]: Start difference. First operand 296 states and 315 transitions. Second operand has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 23:00:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:00:04,332 INFO L93 Difference]: Finished difference Result 368 states and 383 transitions. [2024-11-22 23:00:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 23:00:04,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 97 [2024-11-22 23:00:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:00:04,335 INFO L225 Difference]: With dead ends: 368 [2024-11-22 23:00:04,335 INFO L226 Difference]: Without dead ends: 361 [2024-11-22 23:00:04,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 23:00:04,336 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 284 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 23:00:04,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 333 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 23:00:04,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-22 23:00:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 334. [2024-11-22 23:00:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 258 states have (on average 1.3953488372093024) internal successors, (360), 324 states have internal predecessors, (360), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:00:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 374 transitions. [2024-11-22 23:00:04,346 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 374 transitions. Word has length 97 [2024-11-22 23:00:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:00:04,347 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 374 transitions. [2024-11-22 23:00:04,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.0) internal successors, (168), 8 states have internal predecessors, (168), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 23:00:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 374 transitions. [2024-11-22 23:00:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-22 23:00:04,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:00:04,349 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:00:04,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 23:00:04,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:04,553 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:00:04,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:00:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1339160504, now seen corresponding path program 1 times [2024-11-22 23:00:04,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:00:04,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159520968] [2024-11-22 23:00:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:04,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:00:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:00:04,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018372894] [2024-11-22 23:00:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:00:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:00:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:00:04,588 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) [2024-11-22 23:00:04,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 23:00:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:00:04,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 23:00:04,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:00:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:04,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:00:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:00:05,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:00:05,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159520968] [2024-11-22 23:00:05,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:00:05,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018372894] [2024-11-22 23:00:05,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018372894] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 23:00:05,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:00:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-22 23:00:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905830723] [2024-11-22 23:00:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:00:05,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 23:00:05,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:00:05,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 23:00:05,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-11-22 23:00:05,590 INFO L87 Difference]: Start difference. First operand 334 states and 374 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:00:10,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:14,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:18,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:23,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:24,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:28,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:30,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:34,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:41,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:45,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:49,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:53,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:55,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:00:59,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:01,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:01,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:01,993 INFO L93 Difference]: Finished difference Result 334 states and 374 transitions. [2024-11-22 23:01:01,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 23:01:01,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-22 23:01:01,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:01,995 INFO L225 Difference]: With dead ends: 334 [2024-11-22 23:01:01,995 INFO L226 Difference]: Without dead ends: 332 [2024-11-22 23:01:01,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-22 23:01:01,995 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 203 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 11 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.4s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:01,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 58 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 354 Invalid, 11 Unknown, 0 Unchecked, 56.4s Time] [2024-11-22 23:01:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-22 23:01:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2024-11-22 23:01:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 258 states have (on average 1.37984496124031) internal successors, (356), 322 states have internal predecessors, (356), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:01:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 370 transitions. [2024-11-22 23:01:02,003 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 370 transitions. Word has length 98 [2024-11-22 23:01:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:02,004 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 370 transitions. [2024-11-22 23:01:02,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:01:02,004 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 370 transitions. [2024-11-22 23:01:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 23:01:02,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:02,007 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:02,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 23:01:02,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 23:01:02,209 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:02,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:02,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1435697444, now seen corresponding path program 1 times [2024-11-22 23:01:02,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:02,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340689081] [2024-11-22 23:01:02,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:02,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10379184] [2024-11-22 23:01:02,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:02,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:02,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:02,249 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) [2024-11-22 23:01:02,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 23:01:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:02,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 23:01:02,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:01:02,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:01:02,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:02,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340689081] [2024-11-22 23:01:02,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:02,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10379184] [2024-11-22 23:01:02,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10379184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:01:02,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:01:02,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 23:01:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555544054] [2024-11-22 23:01:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:02,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 23:01:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 23:01:02,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:02,409 INFO L87 Difference]: Start difference. First operand 332 states and 370 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:01:02,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:02,625 INFO L93 Difference]: Finished difference Result 332 states and 370 transitions. [2024-11-22 23:01:02,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 23:01:02,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2024-11-22 23:01:02,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:02,626 INFO L225 Difference]: With dead ends: 332 [2024-11-22 23:01:02,627 INFO L226 Difference]: Without dead ends: 312 [2024-11-22 23:01:02,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:02,627 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 201 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:02,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 48 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 23:01:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-22 23:01:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-11-22 23:01:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 258 states have (on average 1.2635658914728682) internal successors, (326), 302 states have internal predecessors, (326), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:01:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 340 transitions. [2024-11-22 23:01:02,637 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 340 transitions. Word has length 99 [2024-11-22 23:01:02,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:02,637 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 340 transitions. [2024-11-22 23:01:02,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:01:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 340 transitions. [2024-11-22 23:01:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 23:01:02,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:02,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:02,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 23:01:02,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:02,839 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:02,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1556947914, now seen corresponding path program 1 times [2024-11-22 23:01:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505100946] [2024-11-22 23:01:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:02,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039811080] [2024-11-22 23:01:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:02,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:02,858 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) [2024-11-22 23:01:02,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 23:01:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:02,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 23:01:02,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 23:01:03,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 23:01:03,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505100946] [2024-11-22 23:01:03,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039811080] [2024-11-22 23:01:03,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039811080] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:03,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:01:03,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-22 23:01:03,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680911556] [2024-11-22 23:01:03,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:03,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:01:03,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:03,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:01:03,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 23:01:03,275 INFO L87 Difference]: Start difference. First operand 312 states and 340 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:01:09,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:13,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:16,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:20,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 23:01:20,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:20,415 INFO L93 Difference]: Finished difference Result 312 states and 340 transitions. [2024-11-22 23:01:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:01:20,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 100 [2024-11-22 23:01:20,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:20,417 INFO L225 Difference]: With dead ends: 312 [2024-11-22 23:01:20,417 INFO L226 Difference]: Without dead ends: 310 [2024-11-22 23:01:20,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 23:01:20,418 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:20,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 44 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2024-11-22 23:01:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-22 23:01:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-22 23:01:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 258 states have (on average 1.248062015503876) internal successors, (322), 300 states have internal predecessors, (322), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:01:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 336 transitions. [2024-11-22 23:01:20,426 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 336 transitions. Word has length 100 [2024-11-22 23:01:20,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:20,426 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 336 transitions. [2024-11-22 23:01:20,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 23:01:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 336 transitions. [2024-11-22 23:01:20,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 23:01:20,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:20,427 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:20,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 23:01:20,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:20,628 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:20,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:20,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1094194041, now seen corresponding path program 1 times [2024-11-22 23:01:20,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:20,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829799086] [2024-11-22 23:01:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:20,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:20,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829799086] [2024-11-22 23:01:20,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829799086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:20,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306937021] [2024-11-22 23:01:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:20,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:20,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:20,717 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) [2024-11-22 23:01:20,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 23:01:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:20,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 23:01:20,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:20,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:01:20,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306937021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:01:20,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:01:20,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 23:01:20,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183391685] [2024-11-22 23:01:20,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:20,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:01:20,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:20,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:01:20,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:20,859 INFO L87 Difference]: Start difference. First operand 310 states and 336 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 23:01:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:20,878 INFO L93 Difference]: Finished difference Result 310 states and 336 transitions. [2024-11-22 23:01:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:01:20,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 108 [2024-11-22 23:01:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:20,880 INFO L225 Difference]: With dead ends: 310 [2024-11-22 23:01:20,880 INFO L226 Difference]: Without dead ends: 309 [2024-11-22 23:01:20,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:20,881 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 25 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:20,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 350 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:01:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-22 23:01:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-22 23:01:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 258 states have (on average 1.2403100775193798) internal successors, (320), 299 states have internal predecessors, (320), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 23:01:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 334 transitions. [2024-11-22 23:01:20,889 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 334 transitions. Word has length 108 [2024-11-22 23:01:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:20,889 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 334 transitions. [2024-11-22 23:01:20,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 23:01:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 334 transitions. [2024-11-22 23:01:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-22 23:01:20,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:20,891 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:20,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 23:01:21,092 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,SelfDestructingSolverStorable13 [2024-11-22 23:01:21,092 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:21,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash 439723219, now seen corresponding path program 1 times [2024-11-22 23:01:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373051053] [2024-11-22 23:01:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373051053] [2024-11-22 23:01:21,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373051053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390601740] [2024-11-22 23:01:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:21,183 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) [2024-11-22 23:01:21,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 23:01:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:21,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 23:01:21,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:21,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390601740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:01:21,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 23:01:21,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 23:01:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783911203] [2024-11-22 23:01:21,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:21,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 23:01:21,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 23:01:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 23:01:21,404 INFO L87 Difference]: Start difference. First operand 309 states and 334 transitions. Second operand has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 23:01:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:21,442 INFO L93 Difference]: Finished difference Result 408 states and 421 transitions. [2024-11-22 23:01:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 23:01:21,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 109 [2024-11-22 23:01:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:21,444 INFO L225 Difference]: With dead ends: 408 [2024-11-22 23:01:21,444 INFO L226 Difference]: Without dead ends: 407 [2024-11-22 23:01:21,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 23:01:21,446 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 68 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:21,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 667 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 23:01:21,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-22 23:01:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 366. [2024-11-22 23:01:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 313 states have (on average 1.2779552715654952) internal successors, (400), 354 states have internal predecessors, (400), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 23:01:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 418 transitions. [2024-11-22 23:01:21,458 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 418 transitions. Word has length 109 [2024-11-22 23:01:21,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:21,458 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 418 transitions. [2024-11-22 23:01:21,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.833333333333336) internal successors, (221), 7 states have internal predecessors, (221), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 23:01:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 418 transitions. [2024-11-22 23:01:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 23:01:21,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:21,460 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:21,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 23:01:21,663 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,SelfDestructingSolverStorable14 [2024-11-22 23:01:21,664 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:21,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:21,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1686198049, now seen corresponding path program 1 times [2024-11-22 23:01:21,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:21,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784240690] [2024-11-22 23:01:21,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 23:01:21,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:21,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784240690] [2024-11-22 23:01:21,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784240690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:01:21,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:01:21,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:01:21,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755978736] [2024-11-22 23:01:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:21,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:01:21,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:21,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:01:21,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:01:21,740 INFO L87 Difference]: Start difference. First operand 366 states and 418 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 23:01:21,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:21,888 INFO L93 Difference]: Finished difference Result 366 states and 418 transitions. [2024-11-22 23:01:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 23:01:21,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2024-11-22 23:01:21,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:21,890 INFO L225 Difference]: With dead ends: 366 [2024-11-22 23:01:21,890 INFO L226 Difference]: Without dead ends: 359 [2024-11-22 23:01:21,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:01:21,891 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:21,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 54 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:01:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-22 23:01:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-22 23:01:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 313 states have (on average 1.233226837060703) internal successors, (386), 347 states have internal predecessors, (386), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 23:01:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 404 transitions. [2024-11-22 23:01:21,902 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 404 transitions. Word has length 121 [2024-11-22 23:01:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:21,902 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 404 transitions. [2024-11-22 23:01:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 23:01:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 404 transitions. [2024-11-22 23:01:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 23:01:21,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:21,903 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:21,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 23:01:21,904 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:21,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash -732531919, now seen corresponding path program 1 times [2024-11-22 23:01:21,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:21,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255072566] [2024-11-22 23:01:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 23:01:21,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:21,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255072566] [2024-11-22 23:01:21,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255072566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:01:21,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:01:21,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 23:01:21,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733837758] [2024-11-22 23:01:21,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:22,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 23:01:22,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:22,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 23:01:22,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:01:22,000 INFO L87 Difference]: Start difference. First operand 359 states and 404 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 23:01:22,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:22,146 INFO L93 Difference]: Finished difference Result 359 states and 404 transitions. [2024-11-22 23:01:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:01:22,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 122 [2024-11-22 23:01:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:22,148 INFO L225 Difference]: With dead ends: 359 [2024-11-22 23:01:22,148 INFO L226 Difference]: Without dead ends: 358 [2024-11-22 23:01:22,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 23:01:22,149 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 108 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:22,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 41 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:01:22,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-22 23:01:22,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-11-22 23:01:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 346 states have internal predecessors, (383), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 23:01:22,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2024-11-22 23:01:22,159 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 122 [2024-11-22 23:01:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:22,159 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2024-11-22 23:01:22,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 23:01:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2024-11-22 23:01:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 23:01:22,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:22,160 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:22,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 23:01:22,161 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:22,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:22,161 INFO L85 PathProgramCache]: Analyzing trace with hash 411463987, now seen corresponding path program 1 times [2024-11-22 23:01:22,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:22,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688180121] [2024-11-22 23:01:22,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:22,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:22,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138096840] [2024-11-22 23:01:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:22,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:22,183 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) [2024-11-22 23:01:22,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 23:01:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:22,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 23:01:22,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:22,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 23:01:22,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:22,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688180121] [2024-11-22 23:01:22,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:22,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138096840] [2024-11-22 23:01:22,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138096840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:01:22,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 23:01:22,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-22 23:01:22,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238911722] [2024-11-22 23:01:22,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:22,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 23:01:22,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:22,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 23:01:22,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:22,542 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 23:01:23,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:23,009 INFO L93 Difference]: Finished difference Result 419 states and 454 transitions. [2024-11-22 23:01:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 23:01:23,010 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 124 [2024-11-22 23:01:23,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:23,011 INFO L225 Difference]: With dead ends: 419 [2024-11-22 23:01:23,011 INFO L226 Difference]: Without dead ends: 389 [2024-11-22 23:01:23,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-22 23:01:23,012 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 346 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:23,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 151 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 23:01:23,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-22 23:01:23,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 342. [2024-11-22 23:01:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 302 states have (on average 1.1655629139072847) internal successors, (352), 331 states have internal predecessors, (352), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 23:01:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 368 transitions. [2024-11-22 23:01:23,022 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 368 transitions. Word has length 124 [2024-11-22 23:01:23,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:23,022 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 368 transitions. [2024-11-22 23:01:23,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 23:01:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 368 transitions. [2024-11-22 23:01:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 23:01:23,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:23,023 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:23,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 23:01:23,227 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,SelfDestructingSolverStorable17 [2024-11-22 23:01:23,228 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:23,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:23,228 INFO L85 PathProgramCache]: Analyzing trace with hash -930619238, now seen corresponding path program 1 times [2024-11-22 23:01:23,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:23,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341224228] [2024-11-22 23:01:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:23,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:23,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976560476] [2024-11-22 23:01:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:23,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:23,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:23,243 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) [2024-11-22 23:01:23,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 23:01:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:23,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 23:01:23,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:23,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:23,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341224228] [2024-11-22 23:01:23,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976560476] [2024-11-22 23:01:23,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976560476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:23,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:01:23,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 23:01:23,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821950539] [2024-11-22 23:01:23,738 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:23,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 23:01:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:23,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 23:01:23,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:23,739 INFO L87 Difference]: Start difference. First operand 342 states and 368 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 23:01:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:23,916 INFO L93 Difference]: Finished difference Result 342 states and 368 transitions. [2024-11-22 23:01:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 23:01:23,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 147 [2024-11-22 23:01:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:23,918 INFO L225 Difference]: With dead ends: 342 [2024-11-22 23:01:23,918 INFO L226 Difference]: Without dead ends: 328 [2024-11-22 23:01:23,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-22 23:01:23,919 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 19 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:23,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 23:01:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-22 23:01:23,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 325. [2024-11-22 23:01:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0969899665551839) internal successors, (328), 314 states have internal predecessors, (328), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 23:01:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 344 transitions. [2024-11-22 23:01:23,935 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 344 transitions. Word has length 147 [2024-11-22 23:01:23,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:23,935 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 344 transitions. [2024-11-22 23:01:23,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 23:01:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 344 transitions. [2024-11-22 23:01:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 23:01:23,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:23,936 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:23,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 23:01:24,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:24,137 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:24,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:24,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1215574912, now seen corresponding path program 1 times [2024-11-22 23:01:24,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:24,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074788407] [2024-11-22 23:01:24,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:24,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:24,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523342583] [2024-11-22 23:01:24,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:24,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:24,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:24,152 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) [2024-11-22 23:01:24,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 23:01:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:24,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 23:01:24,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:24,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:24,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074788407] [2024-11-22 23:01:24,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523342583] [2024-11-22 23:01:24,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523342583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:24,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:01:24,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 23:01:24,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637191931] [2024-11-22 23:01:24,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:24,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 23:01:24,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:24,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 23:01:24,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:24,861 INFO L87 Difference]: Start difference. First operand 325 states and 344 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 23:01:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:25,090 INFO L93 Difference]: Finished difference Result 363 states and 382 transitions. [2024-11-22 23:01:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 23:01:25,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 148 [2024-11-22 23:01:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:25,092 INFO L225 Difference]: With dead ends: 363 [2024-11-22 23:01:25,092 INFO L226 Difference]: Without dead ends: 325 [2024-11-22 23:01:25,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:25,093 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:25,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 23:01:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-22 23:01:25,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-22 23:01:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0936454849498327) internal successors, (327), 314 states have internal predecessors, (327), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 23:01:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 343 transitions. [2024-11-22 23:01:25,102 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 343 transitions. Word has length 148 [2024-11-22 23:01:25,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:25,102 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 343 transitions. [2024-11-22 23:01:25,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 23:01:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 343 transitions. [2024-11-22 23:01:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 23:01:25,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:25,103 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:25,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 23:01:25,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:25,308 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:25,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1858631868, now seen corresponding path program 1 times [2024-11-22 23:01:25,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:25,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703868671] [2024-11-22 23:01:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:25,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:25,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132853372] [2024-11-22 23:01:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:25,329 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 23:01:25,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 23:01:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:25,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 23:01:25,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:25,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:25,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:25,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703868671] [2024-11-22 23:01:25,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:25,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132853372] [2024-11-22 23:01:25,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132853372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 23:01:25,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 23:01:25,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 23:01:25,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223597117] [2024-11-22 23:01:25,554 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:25,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 23:01:25,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:25,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 23:01:25,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:25,555 INFO L87 Difference]: Start difference. First operand 325 states and 343 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 23:01:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:25,818 INFO L93 Difference]: Finished difference Result 381 states and 401 transitions. [2024-11-22 23:01:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 23:01:25,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 168 [2024-11-22 23:01:25,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:25,820 INFO L225 Difference]: With dead ends: 381 [2024-11-22 23:01:25,820 INFO L226 Difference]: Without dead ends: 378 [2024-11-22 23:01:25,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-22 23:01:25,821 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 117 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:25,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 96 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 23:01:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-22 23:01:25,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 325. [2024-11-22 23:01:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.0836120401337792) internal successors, (324), 314 states have internal predecessors, (324), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 23:01:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 340 transitions. [2024-11-22 23:01:25,852 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 340 transitions. Word has length 168 [2024-11-22 23:01:25,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:25,853 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 340 transitions. [2024-11-22 23:01:25,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-22 23:01:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 340 transitions. [2024-11-22 23:01:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 23:01:25,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:25,854 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:25,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 23:01:26,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 23:01:26,055 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:26,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:26,055 INFO L85 PathProgramCache]: Analyzing trace with hash 561174342, now seen corresponding path program 1 times [2024-11-22 23:01:26,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:26,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32115166] [2024-11-22 23:01:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:26,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:26,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073616485] [2024-11-22 23:01:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:26,089 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 23:01:26,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 23:01:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:26,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 23:01:26,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:26,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:26,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:26,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32115166] [2024-11-22 23:01:26,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:26,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073616485] [2024-11-22 23:01:26,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073616485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:01:26,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 23:01:26,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 23:01:26,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565304858] [2024-11-22 23:01:26,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:26,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 23:01:26,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:26,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 23:01:26,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-22 23:01:26,568 INFO L87 Difference]: Start difference. First operand 325 states and 340 transitions. Second operand has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 23:01:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:27,084 INFO L93 Difference]: Finished difference Result 399 states and 420 transitions. [2024-11-22 23:01:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 23:01:27,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 170 [2024-11-22 23:01:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:27,086 INFO L225 Difference]: With dead ends: 399 [2024-11-22 23:01:27,087 INFO L226 Difference]: Without dead ends: 388 [2024-11-22 23:01:27,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-22 23:01:27,087 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 329 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:27,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 292 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 23:01:27,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-22 23:01:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 312. [2024-11-22 23:01:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 293 states have (on average 1.0443686006825939) internal successors, (306), 301 states have internal predecessors, (306), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 23:01:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 322 transitions. [2024-11-22 23:01:27,096 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 322 transitions. Word has length 170 [2024-11-22 23:01:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:27,096 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 322 transitions. [2024-11-22 23:01:27,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.666666666666664) internal successors, (294), 10 states have internal predecessors, (294), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 23:01:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 322 transitions. [2024-11-22 23:01:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 23:01:27,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:27,098 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:27,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 23:01:27,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:27,299 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:27,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:27,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1877332152, now seen corresponding path program 1 times [2024-11-22 23:01:27,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:27,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103152715] [2024-11-22 23:01:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:27,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 23:01:27,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117286496] [2024-11-22 23:01:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 23:01:27,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:27,321 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 23:01:27,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 23:01:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 23:01:27,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 23:01:27,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:27,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 23:01:28,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103152715] [2024-11-22 23:01:28,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:28,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117286496] [2024-11-22 23:01:28,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117286496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:01:28,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 23:01:28,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 23:01:28,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761270616] [2024-11-22 23:01:28,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:28,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 23:01:28,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:28,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 23:01:28,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-22 23:01:28,184 INFO L87 Difference]: Start difference. First operand 312 states and 322 transitions. Second operand has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 23:01:29,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:29,078 INFO L93 Difference]: Finished difference Result 553 states and 585 transitions. [2024-11-22 23:01:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 23:01:29,079 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 172 [2024-11-22 23:01:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:29,084 INFO L225 Difference]: With dead ends: 553 [2024-11-22 23:01:29,084 INFO L226 Difference]: Without dead ends: 552 [2024-11-22 23:01:29,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2024-11-22 23:01:29,085 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 418 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:29,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 187 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 23:01:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-22 23:01:29,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 420. [2024-11-22 23:01:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 399 states have (on average 1.0601503759398496) internal successors, (423), 407 states have internal predecessors, (423), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 23:01:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 443 transitions. [2024-11-22 23:01:29,133 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 443 transitions. Word has length 172 [2024-11-22 23:01:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:29,133 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 443 transitions. [2024-11-22 23:01:29,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.923076923076923) internal successors, (298), 14 states have internal predecessors, (298), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 23:01:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 443 transitions. [2024-11-22 23:01:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-22 23:01:29,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:29,135 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:29,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 23:01:29,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:29,335 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:29,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1363771061, now seen corresponding path program 2 times [2024-11-22 23:01:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:29,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19561249] [2024-11-22 23:01:29,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 23:01:29,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:29,355 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 23:01:29,355 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 23:01:29,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792434470] [2024-11-22 23:01:29,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 23:01:29,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:29,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:29,358 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 23:01:29,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 23:01:29,389 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 23:01:29,390 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 23:01:29,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 23:01:29,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-22 23:01:29,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 23:01:29,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:29,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19561249] [2024-11-22 23:01:29,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:29,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792434470] [2024-11-22 23:01:29,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792434470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 23:01:29,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 23:01:29,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 23:01:29,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591618618] [2024-11-22 23:01:29,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 23:01:29,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 23:01:29,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 23:01:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:29,999 INFO L87 Difference]: Start difference. First operand 420 states and 443 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 23:01:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 23:01:30,127 INFO L93 Difference]: Finished difference Result 420 states and 443 transitions. [2024-11-22 23:01:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 23:01:30,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 201 [2024-11-22 23:01:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 23:01:30,129 INFO L225 Difference]: With dead ends: 420 [2024-11-22 23:01:30,129 INFO L226 Difference]: Without dead ends: 382 [2024-11-22 23:01:30,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 23:01:30,130 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 23:01:30,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 54 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 23:01:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-22 23:01:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-22 23:01:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 363 states have (on average 1.0578512396694215) internal successors, (384), 370 states have internal predecessors, (384), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 23:01:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 402 transitions. [2024-11-22 23:01:30,143 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 402 transitions. Word has length 201 [2024-11-22 23:01:30,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 23:01:30,145 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 402 transitions. [2024-11-22 23:01:30,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 23:01:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 402 transitions. [2024-11-22 23:01:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-22 23:01:30,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 23:01:30,146 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 23:01:30,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 23:01:30,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 23:01:30,347 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-22 23:01:30,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 23:01:30,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1252393282, now seen corresponding path program 2 times [2024-11-22 23:01:30,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 23:01:30,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174303127] [2024-11-22 23:01:30,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 23:01:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 23:01:30,390 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 23:01:30,390 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 23:01:30,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778177042] [2024-11-22 23:01:30,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 23:01:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 23:01:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 23:01:30,396 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 23:01:30,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 23:01:30,458 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 23:01:30,458 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 23:01:30,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 23:01:30,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 23:01:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 23:01:30,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 23:01:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 243 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 23:01:32,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 23:01:32,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174303127] [2024-11-22 23:01:32,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 23:01:32,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778177042] [2024-11-22 23:01:32,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778177042] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 23:01:32,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 23:01:32,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2024-11-22 23:01:32,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233912343] [2024-11-22 23:01:32,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 23:01:32,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 23:01:32,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 23:01:32,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 23:01:32,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-22 23:01:32,201 INFO L87 Difference]: Start difference. First operand 382 states and 402 transitions. Second operand has 20 states, 19 states have (on average 19.210526315789473) internal successors, (365), 20 states have internal predecessors, (365), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 23:01:41,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []