./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-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 cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:31:17,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:31:17,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:31:17,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:31:17,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:31:17,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:31:17,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:31:17,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:31:17,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:31:17,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:31:17,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:31:17,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:31:17,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:31:17,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:31:17,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:31:17,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:31:17,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:31:17,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:31:17,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:31:17,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:31:17,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:31:17,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:31:17,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:31:17,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:31:17,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:31:17,470 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:31:17,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:31:17,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:31:17,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:31:17,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:31:17,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:31:17,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:31:17,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:31:17,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:31:17,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:31:17,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:31:17,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:31:17,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:31:17,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:31:17,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:31:17,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:31:17,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:31:17,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:31:17,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:31:17,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 [2024-11-19 10:31:17,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:31:17,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:31:17,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:31:17,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:31:17,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:31:17,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-11-19 10:31:19,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:31:19,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:31:19,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-11-19 10:31:19,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4269461/fd30cc3670cb4fa78fe42fe4183320c0/FLAG9dd0d0755 [2024-11-19 10:31:19,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4269461/fd30cc3670cb4fa78fe42fe4183320c0 [2024-11-19 10:31:19,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:31:19,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:31:19,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:31:19,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:31:19,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:31:19,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:19" (1/1) ... [2024-11-19 10:31:19,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689a2aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:19, skipping insertion in model container [2024-11-19 10:31:19,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:19" (1/1) ... [2024-11-19 10:31:19,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:31:20,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:31:20,319 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:31:20,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:31:20,353 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:31:20,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20 WrapperNode [2024-11-19 10:31:20,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:31:20,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:31:20,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:31:20,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:31:20,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,384 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-11-19 10:31:20,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:31:20,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:31:20,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:31:20,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:31:20,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,420 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:31:20,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:31:20,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:31:20,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:31:20,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:31:20,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (1/1) ... [2024-11-19 10:31:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:31:20,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:20,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:31:20,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:31:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:31:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:31:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:31:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:31:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:31:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:31:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:31:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:31:20,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:31:20,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:31:21,144 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-19 10:31:21,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:31:21,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:31:21,165 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:31:21,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:21 BoogieIcfgContainer [2024-11-19 10:31:21,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:31:21,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:31:21,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:31:21,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:31:21,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:31:19" (1/3) ... [2024-11-19 10:31:21,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:21, skipping insertion in model container [2024-11-19 10:31:21,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:20" (2/3) ... [2024-11-19 10:31:21,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:21, skipping insertion in model container [2024-11-19 10:31:21,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:21" (3/3) ... [2024-11-19 10:31:21,176 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound20.c [2024-11-19 10:31:21,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:31:21,193 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-19 10:31:21,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:31:21,264 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;@6b6ec9b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:31:21,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-19 10:31:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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) [2024-11-19 10:31:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:31:21,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:21,273 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:21,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:21,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:21,277 INFO L85 PathProgramCache]: Analyzing trace with hash 22377743, now seen corresponding path program 1 times [2024-11-19 10:31:21,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:21,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718961714] [2024-11-19 10:31:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:31:21,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:21,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718961714] [2024-11-19 10:31:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718961714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:21,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620771383] [2024-11-19 10:31:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:21,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:21,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:21,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:31:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:21,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:31:21,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:31:21,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:21,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620771383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:21,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:21,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:31:21,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051341775] [2024-11-19 10:31:21,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:21,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:31:21,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:21,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:31:21,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:31:21,532 INFO L87 Difference]: Start difference. First operand has 141 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-19 10:31:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:21,570 INFO L93 Difference]: Finished difference Result 278 states and 295 transitions. [2024-11-19 10:31:21,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:31:21,572 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 14 [2024-11-19 10:31:21,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:21,580 INFO L225 Difference]: With dead ends: 278 [2024-11-19 10:31:21,580 INFO L226 Difference]: Without dead ends: 134 [2024-11-19 10:31:21,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:31:21,589 INFO L432 NwaCegarLoop]: 143 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, 143 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 [2024-11-19 10:31:21,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:31:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-19 10:31:21,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-19 10:31:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 128 states have internal predecessors, (130), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2024-11-19 10:31:21,641 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 14 [2024-11-19 10:31:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:21,641 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2024-11-19 10:31:21,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-19 10:31:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2024-11-19 10:31:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:31:21,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:21,643 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:21,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:21,845 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 [2024-11-19 10:31:21,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:21,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash -370589685, now seen corresponding path program 1 times [2024-11-19 10:31:21,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:21,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361671791] [2024-11-19 10:31:21,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361671791] [2024-11-19 10:31:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361671791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:21,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:21,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:21,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165132881] [2024-11-19 10:31:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:21,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:21,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:21,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:21,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:21,935 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:22,104 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2024-11-19 10:31:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:22,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-19 10:31:22,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:22,109 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:31:22,109 INFO L226 Difference]: Without dead ends: 130 [2024-11-19 10:31:22,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:22,110 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:22,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 84 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-19 10:31:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-19 10:31:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 71 states have (on average 1.7746478873239437) internal successors, (126), 124 states have internal predecessors, (126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2024-11-19 10:31:22,128 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 14 [2024-11-19 10:31:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:22,129 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2024-11-19 10:31:22,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2024-11-19 10:31:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:31:22,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:22,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:22,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:31:22,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:22,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:22,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1396621692, now seen corresponding path program 1 times [2024-11-19 10:31:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:22,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503179154] [2024-11-19 10:31:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:22,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:22,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503179154] [2024-11-19 10:31:22,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503179154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:22,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:22,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:22,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225418220] [2024-11-19 10:31:22,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:22,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:22,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:22,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:22,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:22,192 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:22,309 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2024-11-19 10:31:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:22,310 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-19 10:31:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:22,312 INFO L225 Difference]: With dead ends: 130 [2024-11-19 10:31:22,312 INFO L226 Difference]: Without dead ends: 126 [2024-11-19 10:31:22,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:22,313 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 88 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:22,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 84 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-19 10:31:22,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-19 10:31:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 120 states have internal predecessors, (122), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2024-11-19 10:31:22,330 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 15 [2024-11-19 10:31:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:22,331 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2024-11-19 10:31:22,331 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2024-11-19 10:31:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:31:22,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:22,332 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:22,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:31:22,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:22,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash 345599533, now seen corresponding path program 1 times [2024-11-19 10:31:22,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:22,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227746323] [2024-11-19 10:31:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:22,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:22,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:22,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227746323] [2024-11-19 10:31:22,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227746323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:22,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:22,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:22,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995351664] [2024-11-19 10:31:22,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:22,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:22,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:22,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:22,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:22,443 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:22,669 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2024-11-19 10:31:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:22,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-19 10:31:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:22,671 INFO L225 Difference]: With dead ends: 126 [2024-11-19 10:31:22,671 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 10:31:22,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:22,672 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 171 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:22,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 79 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 10:31:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-19 10:31:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.676056338028169) internal successors, (119), 117 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-11-19 10:31:22,684 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 16 [2024-11-19 10:31:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:22,689 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-11-19 10:31:22,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-11-19 10:31:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:31:22,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:22,690 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:22,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:31:22,690 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:22,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2123650974, now seen corresponding path program 1 times [2024-11-19 10:31:22,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:22,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794617937] [2024-11-19 10:31:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:22,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794617937] [2024-11-19 10:31:22,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794617937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:22,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:22,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:22,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768888135] [2024-11-19 10:31:22,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:22,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:22,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:22,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:22,802 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:22,982 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-11-19 10:31:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:22,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-19 10:31:22,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:22,984 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:31:22,984 INFO L226 Difference]: Without dead ends: 120 [2024-11-19 10:31:22,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:22,985 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 170 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:22,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 79 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-19 10:31:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-19 10:31:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 71 states have (on average 1.6338028169014085) internal successors, (116), 114 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2024-11-19 10:31:22,993 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 17 [2024-11-19 10:31:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:22,993 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2024-11-19 10:31:22,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2024-11-19 10:31:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:31:22,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:22,994 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:22,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:31:22,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:22,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:22,995 INFO L85 PathProgramCache]: Analyzing trace with hash 719122080, now seen corresponding path program 1 times [2024-11-19 10:31:22,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:22,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239343187] [2024-11-19 10:31:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:22,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:23,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128418802] [2024-11-19 10:31:23,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:23,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:23,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:23,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:23,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:31:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:23,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:31:23,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:23,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:23,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:23,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239343187] [2024-11-19 10:31:23,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:23,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128418802] [2024-11-19 10:31:23,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128418802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:23,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:23,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:23,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962069490] [2024-11-19 10:31:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:23,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:23,070 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:23,154 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2024-11-19 10:31:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:23,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-19 10:31:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:23,156 INFO L225 Difference]: With dead ends: 185 [2024-11-19 10:31:23,156 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 10:31:23,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:23,157 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 57 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:23,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 10:31:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 145. [2024-11-19 10:31:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.631578947368421) internal successors, (155), 138 states have internal predecessors, (155), 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) [2024-11-19 10:31:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 163 transitions. [2024-11-19 10:31:23,168 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 163 transitions. Word has length 19 [2024-11-19 10:31:23,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:23,168 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 163 transitions. [2024-11-19 10:31:23,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 163 transitions. [2024-11-19 10:31:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:31:23,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:23,169 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:23,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:31:23,369 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,SelfDestructingSolverStorable5 [2024-11-19 10:31:23,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:23,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash -413413982, now seen corresponding path program 1 times [2024-11-19 10:31:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:23,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060999624] [2024-11-19 10:31:23,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:23,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:23,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151652995] [2024-11-19 10:31:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:23,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:23,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:23,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:23,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:31:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:23,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:31:23,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:23,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:23,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060999624] [2024-11-19 10:31:23,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151652995] [2024-11-19 10:31:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151652995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:23,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:23,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:31:23,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786884082] [2024-11-19 10:31:23,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:23,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:31:23,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:23,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:31:23,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:23,445 INFO L87 Difference]: Start difference. First operand 145 states and 163 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:23,496 INFO L93 Difference]: Finished difference Result 242 states and 264 transitions. [2024-11-19 10:31:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:31:23,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-19 10:31:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:23,498 INFO L225 Difference]: With dead ends: 242 [2024-11-19 10:31:23,498 INFO L226 Difference]: Without dead ends: 236 [2024-11-19 10:31:23,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:31:23,500 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 87 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:23,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:31:23,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-19 10:31:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 194. [2024-11-19 10:31:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6433566433566433) internal successors, (235), 186 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 245 transitions. [2024-11-19 10:31:23,510 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 245 transitions. Word has length 21 [2024-11-19 10:31:23,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:23,510 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 245 transitions. [2024-11-19 10:31:23,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 245 transitions. [2024-11-19 10:31:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:31:23,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:23,511 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] [2024-11-19 10:31:23,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:23,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:23,716 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:23,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2141123748, now seen corresponding path program 1 times [2024-11-19 10:31:23,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:23,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426938708] [2024-11-19 10:31:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:23,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:23,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995052151] [2024-11-19 10:31:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:23,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:23,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:23,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:23,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:31:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:23,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:23,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:23,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:23,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426938708] [2024-11-19 10:31:23,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995052151] [2024-11-19 10:31:23,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995052151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:23,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:23,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195951080] [2024-11-19 10:31:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:23,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:23,822 INFO L87 Difference]: Start difference. First operand 194 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:24,049 INFO L93 Difference]: Finished difference Result 262 states and 316 transitions. [2024-11-19 10:31:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:24,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2024-11-19 10:31:24,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:24,050 INFO L225 Difference]: With dead ends: 262 [2024-11-19 10:31:24,050 INFO L226 Difference]: Without dead ends: 260 [2024-11-19 10:31:24,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:24,051 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 122 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:24,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 232 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-19 10:31:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 195. [2024-11-19 10:31:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6319444444444444) internal successors, (235), 187 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2024-11-19 10:31:24,067 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 23 [2024-11-19 10:31:24,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:24,067 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2024-11-19 10:31:24,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2024-11-19 10:31:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:31:24,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:24,068 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] [2024-11-19 10:31:24,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:24,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:24,269 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:24,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:24,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1950326812, now seen corresponding path program 1 times [2024-11-19 10:31:24,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:24,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067562398] [2024-11-19 10:31:24,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:24,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876005417] [2024-11-19 10:31:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:24,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:24,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:24,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:31:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:24,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:24,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:24,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:24,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067562398] [2024-11-19 10:31:24,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876005417] [2024-11-19 10:31:24,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876005417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:24,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:24,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:24,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23801078] [2024-11-19 10:31:24,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:24,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:24,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:24,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:24,356 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:24,543 INFO L93 Difference]: Finished difference Result 261 states and 314 transitions. [2024-11-19 10:31:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:24,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2024-11-19 10:31:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:24,545 INFO L225 Difference]: With dead ends: 261 [2024-11-19 10:31:24,545 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 10:31:24,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:24,546 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 120 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:24,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 235 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 10:31:24,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 196. [2024-11-19 10:31:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6206896551724137) internal successors, (235), 188 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 245 transitions. [2024-11-19 10:31:24,557 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 245 transitions. Word has length 24 [2024-11-19 10:31:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:24,557 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 245 transitions. [2024-11-19 10:31:24,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 245 transitions. [2024-11-19 10:31:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:31:24,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:24,558 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] [2024-11-19 10:31:24,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:24,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:24,759 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:24,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash 330589094, now seen corresponding path program 1 times [2024-11-19 10:31:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:24,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328608252] [2024-11-19 10:31:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:24,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306717638] [2024-11-19 10:31:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:24,783 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:24,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:31:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:24,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:24,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:24,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:24,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:24,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328608252] [2024-11-19 10:31:24,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:24,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306717638] [2024-11-19 10:31:24,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306717638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:24,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:24,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556979709] [2024-11-19 10:31:24,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:24,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:24,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:24,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:24,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:24,844 INFO L87 Difference]: Start difference. First operand 196 states and 245 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:25,005 INFO L93 Difference]: Finished difference Result 256 states and 274 transitions. [2024-11-19 10:31:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:25,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-19 10:31:25,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:25,007 INFO L225 Difference]: With dead ends: 256 [2024-11-19 10:31:25,007 INFO L226 Difference]: Without dead ends: 254 [2024-11-19 10:31:25,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:25,008 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:25,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 259 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:25,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-19 10:31:25,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 196. [2024-11-19 10:31:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.6) internal successors, (232), 188 states have internal predecessors, (232), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-19 10:31:25,017 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 25 [2024-11-19 10:31:25,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:25,017 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-19 10:31:25,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-19 10:31:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:31:25,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:25,018 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] [2024-11-19 10:31:25,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:25,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:25,219 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:25,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1658327390, now seen corresponding path program 1 times [2024-11-19 10:31:25,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:25,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181136048] [2024-11-19 10:31:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:25,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:25,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441309677] [2024-11-19 10:31:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:25,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:25,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:25,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:31:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:25,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:25,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:25,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:25,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:25,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181136048] [2024-11-19 10:31:25,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:25,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441309677] [2024-11-19 10:31:25,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441309677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:25,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:25,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:25,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452138487] [2024-11-19 10:31:25,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:25,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:25,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:25,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:25,303 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:25,432 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2024-11-19 10:31:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:25,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 26 [2024-11-19 10:31:25,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:25,434 INFO L225 Difference]: With dead ends: 254 [2024-11-19 10:31:25,434 INFO L226 Difference]: Without dead ends: 252 [2024-11-19 10:31:25,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:25,434 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 165 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:25,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 257 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-19 10:31:25,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 196. [2024-11-19 10:31:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 145 states have (on average 1.5793103448275863) internal successors, (229), 188 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions. [2024-11-19 10:31:25,446 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 26 [2024-11-19 10:31:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:25,446 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions. [2024-11-19 10:31:25,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions. [2024-11-19 10:31:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:31:25,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:25,447 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] [2024-11-19 10:31:25,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:25,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:25,648 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:25,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:25,649 INFO L85 PathProgramCache]: Analyzing trace with hash -131458392, now seen corresponding path program 1 times [2024-11-19 10:31:25,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:25,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295837635] [2024-11-19 10:31:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:25,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100048870] [2024-11-19 10:31:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:25,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:25,661 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:25,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:31:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:25,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:25,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:25,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:25,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:25,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295837635] [2024-11-19 10:31:25,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:25,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100048870] [2024-11-19 10:31:25,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100048870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:25,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:25,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:25,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371459395] [2024-11-19 10:31:25,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:25,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:25,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:25,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:25,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:25,739 INFO L87 Difference]: Start difference. First operand 196 states and 239 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:25,875 INFO L93 Difference]: Finished difference Result 256 states and 304 transitions. [2024-11-19 10:31:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 27 [2024-11-19 10:31:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:25,877 INFO L225 Difference]: With dead ends: 256 [2024-11-19 10:31:25,877 INFO L226 Difference]: Without dead ends: 254 [2024-11-19 10:31:25,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:25,878 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 170 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:25,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 235 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-19 10:31:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 199. [2024-11-19 10:31:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 191 states have internal predecessors, (231), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 241 transitions. [2024-11-19 10:31:25,886 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 241 transitions. Word has length 27 [2024-11-19 10:31:25,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:25,886 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 241 transitions. [2024-11-19 10:31:25,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 241 transitions. [2024-11-19 10:31:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:31:25,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:25,887 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] [2024-11-19 10:31:25,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:26,087 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,SelfDestructingSolverStorable11 [2024-11-19 10:31:26,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:26,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:26,088 INFO L85 PathProgramCache]: Analyzing trace with hash 219757216, now seen corresponding path program 1 times [2024-11-19 10:31:26,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:26,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237691120] [2024-11-19 10:31:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:26,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404056854] [2024-11-19 10:31:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:26,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:26,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:26,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:31:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:26,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:26,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:26,184 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:26,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237691120] [2024-11-19 10:31:26,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404056854] [2024-11-19 10:31:26,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404056854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:26,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:26,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:26,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418190006] [2024-11-19 10:31:26,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:26,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:26,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:26,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:26,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:26,186 INFO L87 Difference]: Start difference. First operand 199 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:26,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:26,431 INFO L93 Difference]: Finished difference Result 255 states and 270 transitions. [2024-11-19 10:31:26,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:31:26,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 28 [2024-11-19 10:31:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:26,434 INFO L225 Difference]: With dead ends: 255 [2024-11-19 10:31:26,434 INFO L226 Difference]: Without dead ends: 253 [2024-11-19 10:31:26,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:26,436 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 160 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:26,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 329 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:26,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-19 10:31:26,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 199. [2024-11-19 10:31:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.5405405405405406) internal successors, (228), 191 states have internal predecessors, (228), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2024-11-19 10:31:26,444 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 28 [2024-11-19 10:31:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:26,445 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2024-11-19 10:31:26,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-11-19 10:31:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:31:26,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:26,447 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] [2024-11-19 10:31:26,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:31:26,650 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,SelfDestructingSolverStorable12 [2024-11-19 10:31:26,651 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:26,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:26,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1777460822, now seen corresponding path program 1 times [2024-11-19 10:31:26,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:26,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394746560] [2024-11-19 10:31:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:26,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029250960] [2024-11-19 10:31:26,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:26,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:26,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:26,673 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:26,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:31:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:26,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:31:26,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:26,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:26,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:26,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394746560] [2024-11-19 10:31:26,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:26,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029250960] [2024-11-19 10:31:26,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029250960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:26,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:26,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:31:26,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97255121] [2024-11-19 10:31:26,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:26,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:26,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:26,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:26,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:26,844 INFO L87 Difference]: Start difference. First operand 199 states and 238 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:27,265 INFO L93 Difference]: Finished difference Result 251 states and 298 transitions. [2024-11-19 10:31:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:27,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-19 10:31:27,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:27,268 INFO L225 Difference]: With dead ends: 251 [2024-11-19 10:31:27,268 INFO L226 Difference]: Without dead ends: 249 [2024-11-19 10:31:27,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:31:27,270 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 246 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:27,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 217 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:31:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-19 10:31:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2024-11-19 10:31:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 193 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 239 transitions. [2024-11-19 10:31:27,279 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 239 transitions. Word has length 29 [2024-11-19 10:31:27,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:27,280 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 239 transitions. [2024-11-19 10:31:27,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 239 transitions. [2024-11-19 10:31:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:31:27,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:27,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:27,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:31:27,481 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,SelfDestructingSolverStorable13 [2024-11-19 10:31:27,482 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:27,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash 733289442, now seen corresponding path program 1 times [2024-11-19 10:31:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:27,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965399880] [2024-11-19 10:31:27,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:27,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:27,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:27,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965399880] [2024-11-19 10:31:27,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965399880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:27,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389115100] [2024-11-19 10:31:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:27,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:27,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:27,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:27,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:31:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:27,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:31:27,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:27,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:27,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389115100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:27,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:27,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 10:31:27,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677431289] [2024-11-19 10:31:27,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:27,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:27,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:27,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:27,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:27,800 INFO L87 Difference]: Start difference. First operand 201 states and 239 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:28,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:28,166 INFO L93 Difference]: Finished difference Result 251 states and 296 transitions. [2024-11-19 10:31:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:28,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-19 10:31:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:28,168 INFO L225 Difference]: With dead ends: 251 [2024-11-19 10:31:28,168 INFO L226 Difference]: Without dead ends: 249 [2024-11-19 10:31:28,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:28,169 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 245 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:28,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 207 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:28,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-19 10:31:28,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2024-11-19 10:31:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 151 states have (on average 1.5165562913907285) internal successors, (229), 194 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 239 transitions. [2024-11-19 10:31:28,176 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 239 transitions. Word has length 30 [2024-11-19 10:31:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:28,176 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 239 transitions. [2024-11-19 10:31:28,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 239 transitions. [2024-11-19 10:31:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 10:31:28,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:28,177 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] [2024-11-19 10:31:28,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:31:28,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:31:28,378 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:28,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:28,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1222176686, now seen corresponding path program 1 times [2024-11-19 10:31:28,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:28,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514153400] [2024-11-19 10:31:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:28,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:28,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514153400] [2024-11-19 10:31:28,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514153400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:28,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:28,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:31:28,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136931052] [2024-11-19 10:31:28,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:28,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:28,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:28,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:28,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:28,487 INFO L87 Difference]: Start difference. First operand 202 states and 239 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:28,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:28,722 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2024-11-19 10:31:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:28,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-19 10:31:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:28,724 INFO L225 Difference]: With dead ends: 202 [2024-11-19 10:31:28,724 INFO L226 Difference]: Without dead ends: 200 [2024-11-19 10:31:28,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:28,725 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:28,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 207 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-19 10:31:28,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-19 10:31:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 151 states have (on average 1.4834437086092715) internal successors, (224), 192 states have internal predecessors, (224), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2024-11-19 10:31:28,733 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 33 [2024-11-19 10:31:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:28,733 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2024-11-19 10:31:28,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2024-11-19 10:31:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 10:31:28,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:28,736 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] [2024-11-19 10:31:28,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:31:28,736 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:28,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash -767228314, now seen corresponding path program 1 times [2024-11-19 10:31:28,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:28,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352893219] [2024-11-19 10:31:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:28,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806380370] [2024-11-19 10:31:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:28,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:28,763 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:28,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:31:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:28,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:28,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:28,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:28,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:28,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352893219] [2024-11-19 10:31:28,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:28,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806380370] [2024-11-19 10:31:28,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806380370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:28,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:28,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:31:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516401613] [2024-11-19 10:31:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:28,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:31:28,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:31:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:28,979 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:29,328 INFO L93 Difference]: Finished difference Result 243 states and 288 transitions. [2024-11-19 10:31:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:31:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-19 10:31:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:29,330 INFO L225 Difference]: With dead ends: 243 [2024-11-19 10:31:29,330 INFO L226 Difference]: Without dead ends: 241 [2024-11-19 10:31:29,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:29,331 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 291 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:29,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 129 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-19 10:31:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 204. [2024-11-19 10:31:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 196 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 237 transitions. [2024-11-19 10:31:29,340 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 237 transitions. Word has length 34 [2024-11-19 10:31:29,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:29,340 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 237 transitions. [2024-11-19 10:31:29,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 237 transitions. [2024-11-19 10:31:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:31:29,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:29,341 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] [2024-11-19 10:31:29,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:31:29,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:31:29,546 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:29,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:29,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1985726128, now seen corresponding path program 1 times [2024-11-19 10:31:29,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:29,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202546366] [2024-11-19 10:31:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:29,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:29,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202546366] [2024-11-19 10:31:29,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202546366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:29,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:29,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208275659] [2024-11-19 10:31:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:29,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:29,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:29,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:29,595 INFO L87 Difference]: Start difference. First operand 204 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:29,949 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2024-11-19 10:31:29,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:29,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 35 [2024-11-19 10:31:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:29,951 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:29,951 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:29,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:29,952 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:29,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 149 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:29,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2024-11-19 10:31:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.455128205128205) internal successors, (227), 197 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 237 transitions. [2024-11-19 10:31:29,961 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 237 transitions. Word has length 35 [2024-11-19 10:31:29,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:29,962 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 237 transitions. [2024-11-19 10:31:29,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 237 transitions. [2024-11-19 10:31:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:31:29,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:29,963 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] [2024-11-19 10:31:29,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:31:29,963 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:29,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1427967912, now seen corresponding path program 1 times [2024-11-19 10:31:29,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159175145] [2024-11-19 10:31:29,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:30,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:30,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159175145] [2024-11-19 10:31:30,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159175145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:30,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:30,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:30,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392299797] [2024-11-19 10:31:30,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:30,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:30,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:30,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:30,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:30,009 INFO L87 Difference]: Start difference. First operand 205 states and 237 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:30,286 INFO L93 Difference]: Finished difference Result 223 states and 260 transitions. [2024-11-19 10:31:30,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:30,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-19 10:31:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:30,288 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:30,288 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:30,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:30,289 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 67 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:30,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 162 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:30,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2024-11-19 10:31:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 157 states have (on average 1.4458598726114649) internal successors, (227), 198 states have internal predecessors, (227), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 237 transitions. [2024-11-19 10:31:30,297 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 237 transitions. Word has length 36 [2024-11-19 10:31:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:30,297 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 237 transitions. [2024-11-19 10:31:30,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:31:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 237 transitions. [2024-11-19 10:31:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:31:30,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:30,300 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] [2024-11-19 10:31:30,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:31:30,300 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:30,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1095577363, now seen corresponding path program 1 times [2024-11-19 10:31:30,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:30,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22172687] [2024-11-19 10:31:30,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:30,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:30,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:30,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22172687] [2024-11-19 10:31:30,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22172687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:30,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:30,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:30,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165124462] [2024-11-19 10:31:30,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:30,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:30,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:30,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:30,370 INFO L87 Difference]: Start difference. First operand 206 states and 237 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:30,623 INFO L93 Difference]: Finished difference Result 223 states and 258 transitions. [2024-11-19 10:31:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:30,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2024-11-19 10:31:30,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:30,624 INFO L225 Difference]: With dead ends: 223 [2024-11-19 10:31:30,624 INFO L226 Difference]: Without dead ends: 221 [2024-11-19 10:31:30,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:30,625 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 308 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:30,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 130 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-19 10:31:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2024-11-19 10:31:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.427710843373494) internal successors, (237), 207 states have internal predecessors, (237), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 247 transitions. [2024-11-19 10:31:30,633 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 247 transitions. Word has length 46 [2024-11-19 10:31:30,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:30,634 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 247 transitions. [2024-11-19 10:31:30,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 247 transitions. [2024-11-19 10:31:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:31:30,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:30,635 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] [2024-11-19 10:31:30,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:31:30,636 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:30,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 396840220, now seen corresponding path program 1 times [2024-11-19 10:31:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:30,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594102239] [2024-11-19 10:31:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:30,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:30,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594102239] [2024-11-19 10:31:30,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594102239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:30,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:30,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:30,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659286903] [2024-11-19 10:31:30,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:30,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:30,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:30,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:30,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:30,702 INFO L87 Difference]: Start difference. First operand 215 states and 247 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-19 10:31:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:30,796 INFO L93 Difference]: Finished difference Result 215 states and 247 transitions. [2024-11-19 10:31:30,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:30,796 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), 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 47 [2024-11-19 10:31:30,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:30,798 INFO L225 Difference]: With dead ends: 215 [2024-11-19 10:31:30,798 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 10:31:30,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:30,798 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:30,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 151 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:30,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 10:31:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-19 10:31:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4156626506024097) internal successors, (235), 206 states have internal predecessors, (235), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2024-11-19 10:31:30,806 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 47 [2024-11-19 10:31:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:30,807 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2024-11-19 10:31:30,807 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), 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) [2024-11-19 10:31:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2024-11-19 10:31:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:31:30,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:30,808 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] [2024-11-19 10:31:30,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 10:31:30,808 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:30,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:30,809 INFO L85 PathProgramCache]: Analyzing trace with hash -888633922, now seen corresponding path program 1 times [2024-11-19 10:31:30,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:30,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780623245] [2024-11-19 10:31:30,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:30,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:30,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780623245] [2024-11-19 10:31:30,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780623245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:30,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:30,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:30,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513294080] [2024-11-19 10:31:30,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:30,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:30,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:30,860 INFO L87 Difference]: Start difference. First operand 214 states and 245 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-19 10:31:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:30,998 INFO L93 Difference]: Finished difference Result 229 states and 262 transitions. [2024-11-19 10:31:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:30,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 49 [2024-11-19 10:31:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:31,000 INFO L225 Difference]: With dead ends: 229 [2024-11-19 10:31:31,000 INFO L226 Difference]: Without dead ends: 227 [2024-11-19 10:31:31,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:31,001 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:31,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 313 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-19 10:31:31,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2024-11-19 10:31:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4090909090909092) internal successors, (248), 216 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 258 transitions. [2024-11-19 10:31:31,010 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 258 transitions. Word has length 49 [2024-11-19 10:31:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:31,010 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 258 transitions. [2024-11-19 10:31:31,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-19 10:31:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 258 transitions. [2024-11-19 10:31:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:31:31,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:31,012 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] [2024-11-19 10:31:31,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 10:31:31,012 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:31,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash -307697720, now seen corresponding path program 1 times [2024-11-19 10:31:31,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:31,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098402001] [2024-11-19 10:31:31,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:31,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:31,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:31,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098402001] [2024-11-19 10:31:31,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098402001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:31,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:31,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:31,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538104300] [2024-11-19 10:31:31,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:31,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:31,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:31,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:31,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:31,119 INFO L87 Difference]: Start difference. First operand 224 states and 258 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:31,300 INFO L93 Difference]: Finished difference Result 225 states and 258 transitions. [2024-11-19 10:31:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:31:31,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2024-11-19 10:31:31,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:31,301 INFO L225 Difference]: With dead ends: 225 [2024-11-19 10:31:31,301 INFO L226 Difference]: Without dead ends: 224 [2024-11-19 10:31:31,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:31,302 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 142 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:31,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 172 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:31,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-19 10:31:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-19 10:31:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.4034090909090908) internal successors, (247), 216 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 257 transitions. [2024-11-19 10:31:31,309 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 257 transitions. Word has length 49 [2024-11-19 10:31:31,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:31,310 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 257 transitions. [2024-11-19 10:31:31,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2024-11-19 10:31:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:31:31,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:31,310 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] [2024-11-19 10:31:31,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:31:31,310 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:31,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:31,311 INFO L85 PathProgramCache]: Analyzing trace with hash -948694607, now seen corresponding path program 1 times [2024-11-19 10:31:31,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:31,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824601118] [2024-11-19 10:31:31,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:31,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:31,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:31,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824601118] [2024-11-19 10:31:31,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824601118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:31,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:31,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:31:31,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280550475] [2024-11-19 10:31:31,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:31,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:31:31,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:31,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:31:31,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:31,357 INFO L87 Difference]: Start difference. First operand 224 states and 257 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-19 10:31:31,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:31,490 INFO L93 Difference]: Finished difference Result 261 states and 272 transitions. [2024-11-19 10:31:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:31:31,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 50 [2024-11-19 10:31:31,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:31,491 INFO L225 Difference]: With dead ends: 261 [2024-11-19 10:31:31,491 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 10:31:31,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:31:31,492 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 56 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:31,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 310 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 10:31:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 232. [2024-11-19 10:31:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 224 states have internal predecessors, (255), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 265 transitions. [2024-11-19 10:31:31,500 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 265 transitions. Word has length 50 [2024-11-19 10:31:31,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:31,500 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 265 transitions. [2024-11-19 10:31:31,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-19 10:31:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 265 transitions. [2024-11-19 10:31:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:31:31,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:31,501 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:31,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 10:31:31,501 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:31,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:31,502 INFO L85 PathProgramCache]: Analyzing trace with hash 885367877, now seen corresponding path program 1 times [2024-11-19 10:31:31,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:31,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161535015] [2024-11-19 10:31:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:31,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552073060] [2024-11-19 10:31:31,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:31,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:31,514 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) [2024-11-19 10:31:31,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:31:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:31,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:31,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:31,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161535015] [2024-11-19 10:31:31,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552073060] [2024-11-19 10:31:31,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552073060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:31,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:31,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 10:31:31,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162563330] [2024-11-19 10:31:31,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:31,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:31:31,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:31,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:31:31,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:31,765 INFO L87 Difference]: Start difference. First operand 232 states and 265 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:32,023 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2024-11-19 10:31:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2024-11-19 10:31:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:32,025 INFO L225 Difference]: With dead ends: 232 [2024-11-19 10:31:32,025 INFO L226 Difference]: Without dead ends: 229 [2024-11-19 10:31:32,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:32,026 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 93 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:32,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 368 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:32,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-19 10:31:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-19 10:31:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 221 states have internal predecessors, (249), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 259 transitions. [2024-11-19 10:31:32,037 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 259 transitions. Word has length 52 [2024-11-19 10:31:32,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:32,038 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 259 transitions. [2024-11-19 10:31:32,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 259 transitions. [2024-11-19 10:31:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 10:31:32,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:32,042 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:32,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:31:32,242 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,SelfDestructingSolverStorable24 [2024-11-19 10:31:32,243 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:32,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:32,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1676600467, now seen corresponding path program 1 times [2024-11-19 10:31:32,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:32,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103536773] [2024-11-19 10:31:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866703139] [2024-11-19 10:31:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:32,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:32,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:32,262 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) [2024-11-19 10:31:32,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:31:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:32,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:31:32,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:32,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:33,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103536773] [2024-11-19 10:31:33,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866703139] [2024-11-19 10:31:33,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866703139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:33,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:33,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:31:33,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569692251] [2024-11-19 10:31:33,317 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:33,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:31:33,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:33,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:31:33,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:33,318 INFO L87 Difference]: Start difference. First operand 229 states and 259 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:33,570 INFO L93 Difference]: Finished difference Result 321 states and 378 transitions. [2024-11-19 10:31:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:33,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2024-11-19 10:31:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:33,572 INFO L225 Difference]: With dead ends: 321 [2024-11-19 10:31:33,573 INFO L226 Difference]: Without dead ends: 319 [2024-11-19 10:31:33,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:33,573 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 198 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:33,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 343 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-19 10:31:33,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 279. [2024-11-19 10:31:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 232 states have (on average 1.3879310344827587) internal successors, (322), 269 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) [2024-11-19 10:31:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 336 transitions. [2024-11-19 10:31:33,588 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 336 transitions. Word has length 53 [2024-11-19 10:31:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:33,588 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 336 transitions. [2024-11-19 10:31:33,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2024-11-19 10:31:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:31:33,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:33,589 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:33,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:33,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:33,790 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:33,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1429884873, now seen corresponding path program 1 times [2024-11-19 10:31:33,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:33,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734656809] [2024-11-19 10:31:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521640239] [2024-11-19 10:31:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:33,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:33,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:33,806 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) [2024-11-19 10:31:33,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:31:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:33,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:31:33,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:34,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:34,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:34,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734656809] [2024-11-19 10:31:34,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:34,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521640239] [2024-11-19 10:31:34,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521640239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:34,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:34,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:31:34,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018040502] [2024-11-19 10:31:34,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:34,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:31:34,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:34,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:31:34,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:34,265 INFO L87 Difference]: Start difference. First operand 279 states and 336 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:34,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:34,693 INFO L93 Difference]: Finished difference Result 279 states and 336 transitions. [2024-11-19 10:31:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:31:34,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-19 10:31:34,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:34,695 INFO L225 Difference]: With dead ends: 279 [2024-11-19 10:31:34,695 INFO L226 Difference]: Without dead ends: 277 [2024-11-19 10:31:34,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:31:34,696 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 174 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:34,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 212 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:34,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-19 10:31:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-19 10:31:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 232 states have (on average 1.3620689655172413) internal successors, (316), 267 states have internal predecessors, (316), 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) [2024-11-19 10:31:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 330 transitions. [2024-11-19 10:31:34,707 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 330 transitions. Word has length 56 [2024-11-19 10:31:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 330 transitions. [2024-11-19 10:31:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:31:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 330 transitions. [2024-11-19 10:31:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:31:34,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:34,709 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:34,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:31:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:31:34,913 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:34,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1376758167, now seen corresponding path program 1 times [2024-11-19 10:31:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639094562] [2024-11-19 10:31:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:34,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974121061] [2024-11-19 10:31:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:34,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:34,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:34,927 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) [2024-11-19 10:31:34,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:31:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:34,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:31:34,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:35,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:36,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:36,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639094562] [2024-11-19 10:31:36,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974121061] [2024-11-19 10:31:36,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974121061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:36,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:36,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-19 10:31:36,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693086353] [2024-11-19 10:31:36,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:36,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:31:36,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:36,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:31:36,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:31:36,355 INFO L87 Difference]: Start difference. First operand 277 states and 330 transitions. Second operand has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:41,269 INFO L93 Difference]: Finished difference Result 423 states and 509 transitions. [2024-11-19 10:31:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 10:31:41,270 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 57 [2024-11-19 10:31:41,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:41,272 INFO L225 Difference]: With dead ends: 423 [2024-11-19 10:31:41,272 INFO L226 Difference]: Without dead ends: 395 [2024-11-19 10:31:41,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 10:31:41,273 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 795 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:41,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 420 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 10:31:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-19 10:31:41,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 303. [2024-11-19 10:31:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 257 states have (on average 1.3657587548638133) internal successors, (351), 292 states have internal predecessors, (351), 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) [2024-11-19 10:31:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 367 transitions. [2024-11-19 10:31:41,296 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 367 transitions. Word has length 57 [2024-11-19 10:31:41,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:41,296 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 367 transitions. [2024-11-19 10:31:41,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.8125) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 367 transitions. [2024-11-19 10:31:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:31:41,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:41,297 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:41,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:31:41,497 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,SelfDestructingSolverStorable27 [2024-11-19 10:31:41,498 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:41,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1079438727, now seen corresponding path program 1 times [2024-11-19 10:31:41,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:41,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855353207] [2024-11-19 10:31:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:41,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [718012131] [2024-11-19 10:31:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:41,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:41,520 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) [2024-11-19 10:31:41,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:31:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:41,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:31:41,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:41,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:41,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:41,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855353207] [2024-11-19 10:31:41,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:41,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718012131] [2024-11-19 10:31:41,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718012131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:41,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:41,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:31:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954143937] [2024-11-19 10:31:41,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:41,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:41,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:41,851 INFO L87 Difference]: Start difference. First operand 303 states and 367 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-19 10:31:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:42,164 INFO L93 Difference]: Finished difference Result 313 states and 370 transitions. [2024-11-19 10:31:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:42,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 58 [2024-11-19 10:31:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:42,166 INFO L225 Difference]: With dead ends: 313 [2024-11-19 10:31:42,166 INFO L226 Difference]: Without dead ends: 309 [2024-11-19 10:31:42,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:31:42,167 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 187 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:42,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 311 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:42,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-19 10:31:42,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 299. [2024-11-19 10:31:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 257 states have (on average 1.3424124513618676) internal successors, (345), 288 states have internal predecessors, (345), 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) [2024-11-19 10:31:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 361 transitions. [2024-11-19 10:31:42,189 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 361 transitions. Word has length 58 [2024-11-19 10:31:42,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:42,190 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 361 transitions. [2024-11-19 10:31:42,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2024-11-19 10:31:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 361 transitions. [2024-11-19 10:31:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 10:31:42,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:42,190 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:42,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:42,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:31:42,391 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:42,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash 897137891, now seen corresponding path program 1 times [2024-11-19 10:31:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865789752] [2024-11-19 10:31:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:42,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:42,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548791430] [2024-11-19 10:31:42,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:42,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:42,409 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:42,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:31:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:42,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:31:42,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:42,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865789752] [2024-11-19 10:31:43,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548791430] [2024-11-19 10:31:43,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548791430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:43,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:43,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:31:43,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094551876] [2024-11-19 10:31:43,472 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:43,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:31:43,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:31:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:43,475 INFO L87 Difference]: Start difference. First operand 299 states and 361 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:43,729 INFO L93 Difference]: Finished difference Result 382 states and 454 transitions. [2024-11-19 10:31:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:31:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2024-11-19 10:31:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:43,731 INFO L225 Difference]: With dead ends: 382 [2024-11-19 10:31:43,731 INFO L226 Difference]: Without dead ends: 380 [2024-11-19 10:31:43,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:43,732 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 367 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:43,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 365 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-19 10:31:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 338. [2024-11-19 10:31:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 295 states have (on average 1.3694915254237288) internal successors, (404), 326 states have internal predecessors, (404), 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) [2024-11-19 10:31:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 422 transitions. [2024-11-19 10:31:43,749 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 422 transitions. Word has length 59 [2024-11-19 10:31:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:43,749 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 422 transitions. [2024-11-19 10:31:43,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 422 transitions. [2024-11-19 10:31:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-19 10:31:43,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:43,750 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:43,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:31:43,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:43,955 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:43,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1935058099, now seen corresponding path program 1 times [2024-11-19 10:31:43,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:43,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263821255] [2024-11-19 10:31:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:43,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:43,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611266044] [2024-11-19 10:31:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:43,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:43,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:43,975 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:43,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:31:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:44,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:31:44,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:31:44,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:44,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263821255] [2024-11-19 10:31:44,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:44,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611266044] [2024-11-19 10:31:44,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611266044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:44,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:44,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-19 10:31:44,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169192188] [2024-11-19 10:31:44,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:44,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:44,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:44,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:44,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:31:44,150 INFO L87 Difference]: Start difference. First operand 338 states and 422 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-19 10:31:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:44,343 INFO L93 Difference]: Finished difference Result 380 states and 450 transitions. [2024-11-19 10:31:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:31:44,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 [2024-11-19 10:31:44,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:44,345 INFO L225 Difference]: With dead ends: 380 [2024-11-19 10:31:44,346 INFO L226 Difference]: Without dead ends: 378 [2024-11-19 10:31:44,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:44,347 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 288 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:44,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 230 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:31:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-19 10:31:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 338. [2024-11-19 10:31:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 295 states have (on average 1.3559322033898304) internal successors, (400), 326 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) [2024-11-19 10:31:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 418 transitions. [2024-11-19 10:31:44,370 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 418 transitions. Word has length 60 [2024-11-19 10:31:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:44,371 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 418 transitions. [2024-11-19 10:31:44,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-19 10:31:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 418 transitions. [2024-11-19 10:31:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:31:44,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:44,371 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:44,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:31:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:44,576 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash 130008335, now seen corresponding path program 1 times [2024-11-19 10:31:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:44,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543776274] [2024-11-19 10:31:44,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:44,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627182817] [2024-11-19 10:31:44,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:44,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:44,588 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:44,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:31:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:44,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:31:44,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:45,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:45,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543776274] [2024-11-19 10:31:45,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627182817] [2024-11-19 10:31:45,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627182817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:45,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:45,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-19 10:31:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725756140] [2024-11-19 10:31:45,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:31:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:31:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:31:45,660 INFO L87 Difference]: Start difference. First operand 338 states and 418 transitions. Second operand has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:47,009 INFO L93 Difference]: Finished difference Result 382 states and 464 transitions. [2024-11-19 10:31:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 10:31:47,010 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 62 [2024-11-19 10:31:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:47,011 INFO L225 Difference]: With dead ends: 382 [2024-11-19 10:31:47,011 INFO L226 Difference]: Without dead ends: 380 [2024-11-19 10:31:47,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=1115, Unknown=0, NotChecked=0, Total=1482 [2024-11-19 10:31:47,012 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 759 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:47,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 350 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:31:47,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-19 10:31:47,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 349. [2024-11-19 10:31:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 306 states have (on average 1.3333333333333333) internal successors, (408), 337 states have internal predecessors, (408), 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) [2024-11-19 10:31:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 426 transitions. [2024-11-19 10:31:47,028 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 426 transitions. Word has length 62 [2024-11-19 10:31:47,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:47,028 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 426 transitions. [2024-11-19 10:31:47,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 19 states have internal predecessors, (100), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 426 transitions. [2024-11-19 10:31:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:31:47,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:47,029 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:47,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:47,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-19 10:31:47,234 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:47,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:47,234 INFO L85 PathProgramCache]: Analyzing trace with hash -946510595, now seen corresponding path program 1 times [2024-11-19 10:31:47,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:47,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47383560] [2024-11-19 10:31:47,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:47,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:47,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580870922] [2024-11-19 10:31:47,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:47,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:47,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:47,248 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:47,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:31:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:47,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:31:47,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:47,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:47,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:47,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47383560] [2024-11-19 10:31:47,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:47,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580870922] [2024-11-19 10:31:47,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580870922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:47,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:47,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-19 10:31:47,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031189868] [2024-11-19 10:31:47,681 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:47,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:31:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:31:47,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:47,683 INFO L87 Difference]: Start difference. First operand 349 states and 426 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 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) [2024-11-19 10:31:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:49,106 INFO L93 Difference]: Finished difference Result 487 states and 559 transitions. [2024-11-19 10:31:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:31:49,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 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 62 [2024-11-19 10:31:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:49,108 INFO L225 Difference]: With dead ends: 487 [2024-11-19 10:31:49,108 INFO L226 Difference]: Without dead ends: 485 [2024-11-19 10:31:49,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:31:49,109 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 718 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:49,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 491 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:31:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-19 10:31:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 386. [2024-11-19 10:31:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 342 states have (on average 1.3421052631578947) internal successors, (459), 373 states have internal predecessors, (459), 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) [2024-11-19 10:31:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 479 transitions. [2024-11-19 10:31:49,126 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 479 transitions. Word has length 62 [2024-11-19 10:31:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:49,127 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 479 transitions. [2024-11-19 10:31:49,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 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) [2024-11-19 10:31:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 479 transitions. [2024-11-19 10:31:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:31:49,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:49,128 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:49,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:49,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-19 10:31:49,328 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:49,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:49,329 INFO L85 PathProgramCache]: Analyzing trace with hash -264708835, now seen corresponding path program 1 times [2024-11-19 10:31:49,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:49,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54257624] [2024-11-19 10:31:49,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:49,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:49,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54257624] [2024-11-19 10:31:49,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54257624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:49,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733804803] [2024-11-19 10:31:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:49,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:49,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:49,418 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:49,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:31:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:49,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:49,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:49,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:49,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733804803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:49,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:49,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-19 10:31:49,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770324345] [2024-11-19 10:31:49,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:49,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:31:49,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:49,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:31:49,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:49,569 INFO L87 Difference]: Start difference. First operand 386 states and 479 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 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) [2024-11-19 10:31:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:49,884 INFO L93 Difference]: Finished difference Result 389 states and 482 transitions. [2024-11-19 10:31:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:31:49,884 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 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 63 [2024-11-19 10:31:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:49,885 INFO L225 Difference]: With dead ends: 389 [2024-11-19 10:31:49,885 INFO L226 Difference]: Without dead ends: 387 [2024-11-19 10:31:49,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:31:49,886 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 143 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:49,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 335 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-19 10:31:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 384. [2024-11-19 10:31:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 342 states have (on average 1.3157894736842106) internal successors, (450), 371 states have internal predecessors, (450), 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) [2024-11-19 10:31:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 470 transitions. [2024-11-19 10:31:49,906 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 470 transitions. Word has length 63 [2024-11-19 10:31:49,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:49,906 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 470 transitions. [2024-11-19 10:31:49,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 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) [2024-11-19 10:31:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 470 transitions. [2024-11-19 10:31:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:31:49,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:49,907 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:49,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:50,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:50,108 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:50,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash 722942695, now seen corresponding path program 1 times [2024-11-19 10:31:50,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:50,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053389743] [2024-11-19 10:31:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:50,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:50,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691438806] [2024-11-19 10:31:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:50,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:50,123 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:50,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:31:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:50,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:31:50,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:50,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:50,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:50,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053389743] [2024-11-19 10:31:50,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:50,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691438806] [2024-11-19 10:31:50,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691438806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:50,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:50,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-19 10:31:50,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532819472] [2024-11-19 10:31:50,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:50,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:31:50,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:50,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:31:50,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:31:50,744 INFO L87 Difference]: Start difference. First operand 384 states and 470 transitions. Second operand has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:52,189 INFO L93 Difference]: Finished difference Result 481 states and 544 transitions. [2024-11-19 10:31:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:31:52,190 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2024-11-19 10:31:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:52,191 INFO L225 Difference]: With dead ends: 481 [2024-11-19 10:31:52,192 INFO L226 Difference]: Without dead ends: 479 [2024-11-19 10:31:52,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:31:52,192 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 1094 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:52,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 715 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:31:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-19 10:31:52,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 384. [2024-11-19 10:31:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 342 states have (on average 1.304093567251462) internal successors, (446), 371 states have internal predecessors, (446), 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) [2024-11-19 10:31:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 466 transitions. [2024-11-19 10:31:52,210 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 466 transitions. Word has length 63 [2024-11-19 10:31:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:52,210 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 466 transitions. [2024-11-19 10:31:52,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.0) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:31:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 466 transitions. [2024-11-19 10:31:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:31:52,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:52,211 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:52,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:52,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:52,416 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:52,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:52,416 INFO L85 PathProgramCache]: Analyzing trace with hash 936387135, now seen corresponding path program 1 times [2024-11-19 10:31:52,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:52,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309754544] [2024-11-19 10:31:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:52,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166630941] [2024-11-19 10:31:52,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:52,430 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:52,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:31:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:52,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:31:52,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:52,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:53,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:53,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309754544] [2024-11-19 10:31:53,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:53,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166630941] [2024-11-19 10:31:53,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166630941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:53,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:53,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:31:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034565138] [2024-11-19 10:31:53,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:53,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:31:53,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:53,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:31:53,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:31:53,116 INFO L87 Difference]: Start difference. First operand 384 states and 466 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 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) [2024-11-19 10:31:55,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:55,344 INFO L93 Difference]: Finished difference Result 601 states and 740 transitions. [2024-11-19 10:31:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:31:55,344 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 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 64 [2024-11-19 10:31:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:55,346 INFO L225 Difference]: With dead ends: 601 [2024-11-19 10:31:55,346 INFO L226 Difference]: Without dead ends: 599 [2024-11-19 10:31:55,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 10:31:55,347 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 498 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:55,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 505 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 10:31:55,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-19 10:31:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 490. [2024-11-19 10:31:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 445 states have (on average 1.3213483146067415) internal successors, (588), 474 states have internal predecessors, (588), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:31:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 614 transitions. [2024-11-19 10:31:55,369 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 614 transitions. Word has length 64 [2024-11-19 10:31:55,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:55,376 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 614 transitions. [2024-11-19 10:31:55,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 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) [2024-11-19 10:31:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 614 transitions. [2024-11-19 10:31:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:31:55,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:55,377 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:31:55,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:55,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-19 10:31:55,578 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:31:55,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1036769815, now seen corresponding path program 1 times [2024-11-19 10:31:55,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:55,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429756400] [2024-11-19 10:31:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:55,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228614258] [2024-11-19 10:31:55,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:55,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:55,599 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:55,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:31:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:55,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 10:31:55,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:56,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:31:57,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429756400] [2024-11-19 10:31:57,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228614258] [2024-11-19 10:31:57,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228614258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:57,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:57,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2024-11-19 10:31:57,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490217102] [2024-11-19 10:31:57,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:57,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:31:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:31:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:31:57,203 INFO L87 Difference]: Start difference. First operand 490 states and 614 transitions. Second operand has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:32:03,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:03,305 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2024-11-19 10:32:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-19 10:32:03,306 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2024-11-19 10:32:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:03,307 INFO L225 Difference]: With dead ends: 622 [2024-11-19 10:32:03,307 INFO L226 Difference]: Without dead ends: 617 [2024-11-19 10:32:03,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=652, Invalid=3380, Unknown=0, NotChecked=0, Total=4032 [2024-11-19 10:32:03,308 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 783 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:03,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 332 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 10:32:03,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-19 10:32:03,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 523. [2024-11-19 10:32:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 478 states have (on average 1.3096234309623431) internal successors, (626), 507 states have internal predecessors, (626), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:32:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 652 transitions. [2024-11-19 10:32:03,333 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 652 transitions. Word has length 65 [2024-11-19 10:32:03,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:03,333 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 652 transitions. [2024-11-19 10:32:03,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:32:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 652 transitions. [2024-11-19 10:32:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 10:32:03,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:03,334 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:32:03,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:03,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-19 10:32:03,535 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:03,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:03,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2075093119, now seen corresponding path program 1 times [2024-11-19 10:32:03,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:03,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704177344] [2024-11-19 10:32:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:03,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29383050] [2024-11-19 10:32:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:03,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:03,559 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:03,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:32:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:03,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:32:03,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:03,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:04,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:04,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704177344] [2024-11-19 10:32:04,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:04,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29383050] [2024-11-19 10:32:04,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29383050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:04,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:04,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:32:04,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694042016] [2024-11-19 10:32:04,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:04,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:32:04,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:04,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:32:04,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:04,081 INFO L87 Difference]: Start difference. First operand 523 states and 652 transitions. Second operand has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 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) [2024-11-19 10:32:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:05,544 INFO L93 Difference]: Finished difference Result 605 states and 744 transitions. [2024-11-19 10:32:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:32:05,545 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 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 66 [2024-11-19 10:32:05,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:05,547 INFO L225 Difference]: With dead ends: 605 [2024-11-19 10:32:05,547 INFO L226 Difference]: Without dead ends: 603 [2024-11-19 10:32:05,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:32:05,548 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 317 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:05,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 516 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:32:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-19 10:32:05,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 526. [2024-11-19 10:32:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 481 states have (on average 1.3035343035343034) internal successors, (627), 510 states have internal predecessors, (627), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:32:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 653 transitions. [2024-11-19 10:32:05,573 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 653 transitions. Word has length 66 [2024-11-19 10:32:05,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:05,573 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 653 transitions. [2024-11-19 10:32:05,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.846153846153846) internal successors, (102), 14 states have internal predecessors, (102), 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) [2024-11-19 10:32:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 653 transitions. [2024-11-19 10:32:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:32:05,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:05,574 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:32:05,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-19 10:32:05,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:32:05,775 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:05,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1077916193, now seen corresponding path program 1 times [2024-11-19 10:32:05,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:05,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054149436] [2024-11-19 10:32:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:05,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:05,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054149436] [2024-11-19 10:32:05,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054149436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234591259] [2024-11-19 10:32:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:05,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:05,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:05,839 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:05,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:32:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:05,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:05,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:05,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:06,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234591259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:06,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:06,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-19 10:32:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159912019] [2024-11-19 10:32:06,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:06,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:32:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:32:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:32:06,079 INFO L87 Difference]: Start difference. First operand 526 states and 653 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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) [2024-11-19 10:32:06,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:06,527 INFO L93 Difference]: Finished difference Result 688 states and 870 transitions. [2024-11-19 10:32:06,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:32:06,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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 67 [2024-11-19 10:32:06,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:06,529 INFO L225 Difference]: With dead ends: 688 [2024-11-19 10:32:06,529 INFO L226 Difference]: Without dead ends: 686 [2024-11-19 10:32:06,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:06,530 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 167 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:06,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 359 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:32:06,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-19 10:32:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 654. [2024-11-19 10:32:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 606 states have (on average 1.3283828382838283) internal successors, (805), 635 states have internal predecessors, (805), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 10:32:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 837 transitions. [2024-11-19 10:32:06,562 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 837 transitions. Word has length 67 [2024-11-19 10:32:06,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:06,563 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 837 transitions. [2024-11-19 10:32:06,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 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) [2024-11-19 10:32:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 837 transitions. [2024-11-19 10:32:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:32:06,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:06,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:06,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-19 10:32:06,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-19 10:32:06,768 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:06,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash -944336299, now seen corresponding path program 1 times [2024-11-19 10:32:06,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:06,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210678011] [2024-11-19 10:32:06,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:06,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:06,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210678011] [2024-11-19 10:32:06,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210678011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:06,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:06,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:32:06,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869819302] [2024-11-19 10:32:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:06,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:06,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:06,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:06,831 INFO L87 Difference]: Start difference. First operand 654 states and 837 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:07,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:07,195 INFO L93 Difference]: Finished difference Result 896 states and 1165 transitions. [2024-11-19 10:32:07,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:07,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 68 [2024-11-19 10:32:07,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:07,198 INFO L225 Difference]: With dead ends: 896 [2024-11-19 10:32:07,199 INFO L226 Difference]: Without dead ends: 894 [2024-11-19 10:32:07,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:32:07,199 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 84 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:07,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 336 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:32:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2024-11-19 10:32:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 827. [2024-11-19 10:32:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 774 states have (on average 1.3436692506459949) internal successors, (1040), 803 states have internal predecessors, (1040), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1082 transitions. [2024-11-19 10:32:07,242 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1082 transitions. Word has length 68 [2024-11-19 10:32:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:07,242 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1082 transitions. [2024-11-19 10:32:07,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1082 transitions. [2024-11-19 10:32:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 10:32:07,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:07,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:07,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 10:32:07,243 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:07,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:07,244 INFO L85 PathProgramCache]: Analyzing trace with hash 790345891, now seen corresponding path program 1 times [2024-11-19 10:32:07,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:07,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132346767] [2024-11-19 10:32:07,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:07,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:07,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:07,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132346767] [2024-11-19 10:32:07,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132346767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:07,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471525687] [2024-11-19 10:32:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:07,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:07,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:07,358 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:07,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:32:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:07,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:32:07,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:32:07,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:07,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471525687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:07,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:07,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-19 10:32:07,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292655452] [2024-11-19 10:32:07,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:07,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:32:07,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:32:07,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:07,674 INFO L87 Difference]: Start difference. First operand 827 states and 1082 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:32:07,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:07,969 INFO L93 Difference]: Finished difference Result 844 states and 1097 transitions. [2024-11-19 10:32:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:32:07,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2024-11-19 10:32:07,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:07,972 INFO L225 Difference]: With dead ends: 844 [2024-11-19 10:32:07,972 INFO L226 Difference]: Without dead ends: 842 [2024-11-19 10:32:07,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:07,976 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 181 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:07,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 274 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:32:07,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-19 10:32:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 835. [2024-11-19 10:32:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 782 states have (on average 1.3375959079283888) internal successors, (1046), 811 states have internal predecessors, (1046), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1088 transitions. [2024-11-19 10:32:08,025 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1088 transitions. Word has length 69 [2024-11-19 10:32:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:08,025 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1088 transitions. [2024-11-19 10:32:08,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:32:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1088 transitions. [2024-11-19 10:32:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:32:08,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:08,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:08,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:08,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:08,227 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:08,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:08,228 INFO L85 PathProgramCache]: Analyzing trace with hash 57165639, now seen corresponding path program 1 times [2024-11-19 10:32:08,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:08,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128569004] [2024-11-19 10:32:08,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:08,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:08,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171259673] [2024-11-19 10:32:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:08,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:08,241 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:08,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:32:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:08,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:32:08,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:08,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:08,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:08,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128569004] [2024-11-19 10:32:08,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:08,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171259673] [2024-11-19 10:32:08,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171259673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:08,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:08,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:32:08,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875061165] [2024-11-19 10:32:08,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:08,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:32:08,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:32:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:32:08,887 INFO L87 Difference]: Start difference. First operand 835 states and 1088 transitions. Second operand has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 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) [2024-11-19 10:32:10,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:10,278 INFO L93 Difference]: Finished difference Result 924 states and 1198 transitions. [2024-11-19 10:32:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 10:32:10,278 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 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 72 [2024-11-19 10:32:10,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:10,281 INFO L225 Difference]: With dead ends: 924 [2024-11-19 10:32:10,281 INFO L226 Difference]: Without dead ends: 922 [2024-11-19 10:32:10,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:32:10,281 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 254 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:10,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 452 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:32:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-11-19 10:32:10,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 835. [2024-11-19 10:32:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 782 states have (on average 1.3350383631713556) internal successors, (1044), 811 states have internal predecessors, (1044), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1086 transitions. [2024-11-19 10:32:10,325 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1086 transitions. Word has length 72 [2024-11-19 10:32:10,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:10,326 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1086 transitions. [2024-11-19 10:32:10,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 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) [2024-11-19 10:32:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1086 transitions. [2024-11-19 10:32:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:32:10,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:10,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:10,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:10,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:10,528 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:10,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1772134897, now seen corresponding path program 1 times [2024-11-19 10:32:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060720764] [2024-11-19 10:32:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:10,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:10,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149295597] [2024-11-19 10:32:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:10,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:10,555 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:10,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:32:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:10,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:32:10,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:32:10,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:32:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060720764] [2024-11-19 10:32:11,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149295597] [2024-11-19 10:32:11,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149295597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:11,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:11,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-19 10:32:11,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752870194] [2024-11-19 10:32:11,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:11,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:32:11,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:32:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:32:11,580 INFO L87 Difference]: Start difference. First operand 835 states and 1086 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 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) [2024-11-19 10:32:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:15,384 INFO L93 Difference]: Finished difference Result 847 states and 1099 transitions. [2024-11-19 10:32:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:32:15,385 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 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 73 [2024-11-19 10:32:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:15,387 INFO L225 Difference]: With dead ends: 847 [2024-11-19 10:32:15,387 INFO L226 Difference]: Without dead ends: 846 [2024-11-19 10:32:15,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:32:15,387 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 262 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:15,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 230 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-19 10:32:15,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-19 10:32:15,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 834. [2024-11-19 10:32:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 782 states have (on average 1.315856777493606) internal successors, (1029), 810 states have internal predecessors, (1029), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1071 transitions. [2024-11-19 10:32:15,435 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1071 transitions. Word has length 73 [2024-11-19 10:32:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:15,436 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1071 transitions. [2024-11-19 10:32:15,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 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) [2024-11-19 10:32:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1071 transitions. [2024-11-19 10:32:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 10:32:15,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:15,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:15,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:15,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-19 10:32:15,638 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:15,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash -994395096, now seen corresponding path program 1 times [2024-11-19 10:32:15,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:15,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094220415] [2024-11-19 10:32:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:15,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:15,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:15,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094220415] [2024-11-19 10:32:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094220415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:15,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924141264] [2024-11-19 10:32:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:15,709 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:15,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:32:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:15,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:15,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:15,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:16,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924141264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:16,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:16,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 10:32:16,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518777258] [2024-11-19 10:32:16,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:16,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:32:16,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:16,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:32:16,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:32:16,096 INFO L87 Difference]: Start difference. First operand 834 states and 1071 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:32:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:16,489 INFO L93 Difference]: Finished difference Result 1192 states and 1513 transitions. [2024-11-19 10:32:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:32:16,490 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 79 [2024-11-19 10:32:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:16,494 INFO L225 Difference]: With dead ends: 1192 [2024-11-19 10:32:16,494 INFO L226 Difference]: Without dead ends: 1190 [2024-11-19 10:32:16,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:32:16,495 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 702 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:16,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 323 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:32:16,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-19 10:32:16,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1034. [2024-11-19 10:32:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 977 states have (on average 1.3029682702149437) internal successors, (1273), 1004 states have internal predecessors, (1273), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:32:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1327 transitions. [2024-11-19 10:32:16,574 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1327 transitions. Word has length 79 [2024-11-19 10:32:16,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:16,574 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1327 transitions. [2024-11-19 10:32:16,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:32:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1327 transitions. [2024-11-19 10:32:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 10:32:16,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:16,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:16,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:16,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:16,776 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:16,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1053823315, now seen corresponding path program 1 times [2024-11-19 10:32:16,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:16,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361450149] [2024-11-19 10:32:16,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:16,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:16,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:16,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361450149] [2024-11-19 10:32:16,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361450149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:16,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038458087] [2024-11-19 10:32:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:16,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:16,844 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:16,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:32:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:16,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:16,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:17,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:17,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038458087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:17,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:17,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:32:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309866496] [2024-11-19 10:32:17,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:17,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:32:17,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:32:17,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:32:17,155 INFO L87 Difference]: Start difference. First operand 1034 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 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) [2024-11-19 10:32:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:17,862 INFO L93 Difference]: Finished difference Result 1526 states and 1936 transitions. [2024-11-19 10:32:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:32:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 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 82 [2024-11-19 10:32:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:17,866 INFO L225 Difference]: With dead ends: 1526 [2024-11-19 10:32:17,866 INFO L226 Difference]: Without dead ends: 1525 [2024-11-19 10:32:17,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:32:17,867 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 407 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:17,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 469 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-19 10:32:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1293. [2024-11-19 10:32:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1228 states have (on average 1.3037459283387622) internal successors, (1601), 1255 states have internal predecessors, (1601), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:32:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1671 transitions. [2024-11-19 10:32:17,969 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1671 transitions. Word has length 82 [2024-11-19 10:32:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:17,970 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1671 transitions. [2024-11-19 10:32:17,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.666666666666668) internal successors, (159), 10 states have internal predecessors, (159), 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) [2024-11-19 10:32:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1671 transitions. [2024-11-19 10:32:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:32:17,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:17,972 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] [2024-11-19 10:32:17,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:18,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:18,172 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:18,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash 862062654, now seen corresponding path program 1 times [2024-11-19 10:32:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175430301] [2024-11-19 10:32:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:18,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:18,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175430301] [2024-11-19 10:32:18,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175430301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:18,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999499285] [2024-11-19 10:32:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:18,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:18,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:18,243 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:18,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:32:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:18,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:18,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:18,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999499285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:18,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:32:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106514432] [2024-11-19 10:32:18,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:18,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:18,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:18,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:18,455 INFO L87 Difference]: Start difference. First operand 1293 states and 1671 transitions. Second operand has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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) [2024-11-19 10:32:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:18,665 INFO L93 Difference]: Finished difference Result 1571 states and 2011 transitions. [2024-11-19 10:32:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:32:18,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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 83 [2024-11-19 10:32:18,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:18,670 INFO L225 Difference]: With dead ends: 1571 [2024-11-19 10:32:18,670 INFO L226 Difference]: Without dead ends: 1570 [2024-11-19 10:32:18,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:18,671 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 100 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:18,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 583 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-19 10:32:18,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1520. [2024-11-19 10:32:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1450 states have (on average 1.2862068965517242) internal successors, (1865), 1477 states have internal predecessors, (1865), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1945 transitions. [2024-11-19 10:32:18,737 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1945 transitions. Word has length 83 [2024-11-19 10:32:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:18,738 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 1945 transitions. [2024-11-19 10:32:18,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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) [2024-11-19 10:32:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1945 transitions. [2024-11-19 10:32:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 10:32:18,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:18,739 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] [2024-11-19 10:32:18,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:18,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-19 10:32:18,939 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:18,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:18,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1799427103, now seen corresponding path program 1 times [2024-11-19 10:32:18,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:18,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666527804] [2024-11-19 10:32:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:19,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:19,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666527804] [2024-11-19 10:32:19,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666527804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:19,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581771057] [2024-11-19 10:32:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:19,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:19,061 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:19,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:32:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:19,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:32:19,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:19,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:19,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581771057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:19,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:19,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-19 10:32:19,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263344964] [2024-11-19 10:32:19,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:19,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:32:19,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:19,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:32:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:32:19,654 INFO L87 Difference]: Start difference. First operand 1520 states and 1945 transitions. Second operand has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:32:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:20,531 INFO L93 Difference]: Finished difference Result 1613 states and 2035 transitions. [2024-11-19 10:32:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:32:20,532 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 86 [2024-11-19 10:32:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:20,536 INFO L225 Difference]: With dead ends: 1613 [2024-11-19 10:32:20,536 INFO L226 Difference]: Without dead ends: 1612 [2024-11-19 10:32:20,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:32:20,537 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 761 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:20,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 628 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2024-11-19 10:32:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1526. [2024-11-19 10:32:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1456 states have (on average 1.2822802197802199) internal successors, (1867), 1483 states have internal predecessors, (1867), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1947 transitions. [2024-11-19 10:32:20,620 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1947 transitions. Word has length 86 [2024-11-19 10:32:20,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:20,620 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1947 transitions. [2024-11-19 10:32:20,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.529411764705882) internal successors, (196), 18 states have internal predecessors, (196), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:32:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1947 transitions. [2024-11-19 10:32:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 10:32:20,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:20,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:20,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-19 10:32:20,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-19 10:32:20,822 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:20,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:20,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1929605192, now seen corresponding path program 1 times [2024-11-19 10:32:20,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:20,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760944885] [2024-11-19 10:32:20,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:20,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:20,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949311343] [2024-11-19 10:32:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:20,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:20,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:20,841 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:20,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:32:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:20,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:32:20,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:21,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:21,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:21,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760944885] [2024-11-19 10:32:21,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:21,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949311343] [2024-11-19 10:32:21,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949311343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:21,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:21,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:32:21,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736057005] [2024-11-19 10:32:21,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:21,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:32:21,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:21,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:32:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:21,539 INFO L87 Difference]: Start difference. First operand 1526 states and 1947 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 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) [2024-11-19 10:32:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:23,814 INFO L93 Difference]: Finished difference Result 1543 states and 1960 transitions. [2024-11-19 10:32:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:32:23,815 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 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 87 [2024-11-19 10:32:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:23,818 INFO L225 Difference]: With dead ends: 1543 [2024-11-19 10:32:23,818 INFO L226 Difference]: Without dead ends: 1541 [2024-11-19 10:32:23,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:32:23,819 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 212 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:23,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 533 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 10:32:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-19 10:32:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1526. [2024-11-19 10:32:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1456 states have (on average 1.2788461538461537) internal successors, (1862), 1483 states have internal predecessors, (1862), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 10:32:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1942 transitions. [2024-11-19 10:32:23,893 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1942 transitions. Word has length 87 [2024-11-19 10:32:23,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:23,894 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1942 transitions. [2024-11-19 10:32:23,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 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) [2024-11-19 10:32:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1942 transitions. [2024-11-19 10:32:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:32:23,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:23,895 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] [2024-11-19 10:32:23,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:24,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-19 10:32:24,095 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:24,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1622370431, now seen corresponding path program 1 times [2024-11-19 10:32:24,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:24,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033212644] [2024-11-19 10:32:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:24,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:24,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:24,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033212644] [2024-11-19 10:32:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033212644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:24,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168841409] [2024-11-19 10:32:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:24,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:24,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:24,159 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:24,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:32:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:24,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:24,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:24,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:24,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168841409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:24,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:24,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:32:24,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167612380] [2024-11-19 10:32:24,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:24,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:24,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:24,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:24,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:24,375 INFO L87 Difference]: Start difference. First operand 1526 states and 1942 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 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) [2024-11-19 10:32:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:24,551 INFO L93 Difference]: Finished difference Result 2055 states and 2603 transitions. [2024-11-19 10:32:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:32:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 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 88 [2024-11-19 10:32:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:24,557 INFO L225 Difference]: With dead ends: 2055 [2024-11-19 10:32:24,558 INFO L226 Difference]: Without dead ends: 2054 [2024-11-19 10:32:24,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:32:24,559 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 282 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:24,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 675 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-11-19 10:32:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1841. [2024-11-19 10:32:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1762 states have (on average 1.2877412031782065) internal successors, (2269), 1789 states have internal predecessors, (2269), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-19 10:32:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2367 transitions. [2024-11-19 10:32:24,689 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2367 transitions. Word has length 88 [2024-11-19 10:32:24,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:24,689 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2367 transitions. [2024-11-19 10:32:24,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 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) [2024-11-19 10:32:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2367 transitions. [2024-11-19 10:32:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 10:32:24,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:24,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:24,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:24,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:24,891 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:24,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:24,891 INFO L85 PathProgramCache]: Analyzing trace with hash -967111318, now seen corresponding path program 1 times [2024-11-19 10:32:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:24,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355589162] [2024-11-19 10:32:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:24,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094635456] [2024-11-19 10:32:24,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:24,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:24,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:24,906 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:24,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:32:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:24,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:32:24,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:25,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:26,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:26,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355589162] [2024-11-19 10:32:26,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:26,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094635456] [2024-11-19 10:32:26,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094635456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:26,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:26,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:32:26,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731195551] [2024-11-19 10:32:26,101 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:26,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:26,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:26,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:26,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:32:26,102 INFO L87 Difference]: Start difference. First operand 1841 states and 2367 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:32:26,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:26,973 INFO L93 Difference]: Finished difference Result 1884 states and 2399 transitions. [2024-11-19 10:32:26,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:32:26,974 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 90 [2024-11-19 10:32:26,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:26,979 INFO L225 Difference]: With dead ends: 1884 [2024-11-19 10:32:26,980 INFO L226 Difference]: Without dead ends: 1880 [2024-11-19 10:32:26,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:32:26,981 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 206 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:26,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 782 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:32:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2024-11-19 10:32:27,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1833. [2024-11-19 10:32:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1754 states have (on average 1.283352337514253) internal successors, (2251), 1781 states have internal predecessors, (2251), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-19 10:32:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2349 transitions. [2024-11-19 10:32:27,076 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2349 transitions. Word has length 90 [2024-11-19 10:32:27,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:27,076 INFO L471 AbstractCegarLoop]: Abstraction has 1833 states and 2349 transitions. [2024-11-19 10:32:27,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:32:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2349 transitions. [2024-11-19 10:32:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 10:32:27,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:27,077 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:27,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-19 10:32:27,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-19 10:32:27,278 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:27,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:27,278 INFO L85 PathProgramCache]: Analyzing trace with hash -570585362, now seen corresponding path program 1 times [2024-11-19 10:32:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:27,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672283051] [2024-11-19 10:32:27,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:27,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747836831] [2024-11-19 10:32:27,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:27,295 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:27,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-19 10:32:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:27,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:32:27,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:27,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672283051] [2024-11-19 10:32:29,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747836831] [2024-11-19 10:32:29,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747836831] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:29,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:29,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-11-19 10:32:29,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474399119] [2024-11-19 10:32:29,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:29,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:32:29,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:29,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:32:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:32:29,756 INFO L87 Difference]: Start difference. First operand 1833 states and 2349 transitions. Second operand has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:37,942 INFO L93 Difference]: Finished difference Result 2061 states and 2623 transitions. [2024-11-19 10:32:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-19 10:32:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 94 [2024-11-19 10:32:37,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:37,949 INFO L225 Difference]: With dead ends: 2061 [2024-11-19 10:32:37,949 INFO L226 Difference]: Without dead ends: 2057 [2024-11-19 10:32:37,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=534, Invalid=2222, Unknown=0, NotChecked=0, Total=2756 [2024-11-19 10:32:37,950 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 974 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:37,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 539 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-19 10:32:37,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-19 10:32:38,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1948. [2024-11-19 10:32:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1865 states have (on average 1.2680965147453083) internal successors, (2365), 1892 states have internal predecessors, (2365), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2471 transitions. [2024-11-19 10:32:38,053 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2471 transitions. Word has length 94 [2024-11-19 10:32:38,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:38,053 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2471 transitions. [2024-11-19 10:32:38,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.136363636363637) internal successors, (157), 23 states have internal predecessors, (157), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:32:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2471 transitions. [2024-11-19 10:32:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:32:38,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:38,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:38,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:38,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-19 10:32:38,255 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:38,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:38,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2142666488, now seen corresponding path program 1 times [2024-11-19 10:32:38,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:38,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406084420] [2024-11-19 10:32:38,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:38,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:38,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:38,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406084420] [2024-11-19 10:32:38,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406084420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:38,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482318202] [2024-11-19 10:32:38,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:38,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:38,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:38,434 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:38,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-19 10:32:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:38,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:32:38,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:38,918 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482318202] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:39,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-19 10:32:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027152147] [2024-11-19 10:32:39,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:39,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:32:39,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:32:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:32:39,147 INFO L87 Difference]: Start difference. First operand 1948 states and 2471 transitions. Second operand has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 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) [2024-11-19 10:32:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:40,107 INFO L93 Difference]: Finished difference Result 1982 states and 2507 transitions. [2024-11-19 10:32:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:32:40,108 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 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 96 [2024-11-19 10:32:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:40,113 INFO L225 Difference]: With dead ends: 1982 [2024-11-19 10:32:40,113 INFO L226 Difference]: Without dead ends: 1981 [2024-11-19 10:32:40,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-11-19 10:32:40,115 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 233 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:40,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 659 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-11-19 10:32:40,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1969. [2024-11-19 10:32:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1886 states have (on average 1.265641569459173) internal successors, (2387), 1913 states have internal predecessors, (2387), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2493 transitions. [2024-11-19 10:32:40,251 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2493 transitions. Word has length 96 [2024-11-19 10:32:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:40,251 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2493 transitions. [2024-11-19 10:32:40,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.090909090909092) internal successors, (222), 23 states have internal predecessors, (222), 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) [2024-11-19 10:32:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2493 transitions. [2024-11-19 10:32:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:32:40,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:40,252 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-19 10:32:40,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-19 10:32:40,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:40,453 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:40,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash 941085882, now seen corresponding path program 1 times [2024-11-19 10:32:40,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275123409] [2024-11-19 10:32:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:40,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034417448] [2024-11-19 10:32:40,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:40,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:40,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:40,475 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:40,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-19 10:32:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:40,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:32:40,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:40,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:41,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275123409] [2024-11-19 10:32:41,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034417448] [2024-11-19 10:32:41,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034417448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:41,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:41,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:32:41,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712807264] [2024-11-19 10:32:41,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:41,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:32:41,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:41,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:32:41,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-11-19 10:32:41,596 INFO L87 Difference]: Start difference. First operand 1969 states and 2493 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2024-11-19 10:32:42,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:42,234 INFO L93 Difference]: Finished difference Result 1998 states and 2523 transitions. [2024-11-19 10:32:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:32:42,235 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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 [2024-11-19 10:32:42,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:42,238 INFO L225 Difference]: With dead ends: 1998 [2024-11-19 10:32:42,238 INFO L226 Difference]: Without dead ends: 1996 [2024-11-19 10:32:42,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=491, Unknown=1, NotChecked=0, Total=600 [2024-11-19 10:32:42,239 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 162 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:42,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 851 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:32:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-11-19 10:32:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1978. [2024-11-19 10:32:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1895 states have (on average 1.2649076517150395) internal successors, (2397), 1922 states have internal predecessors, (2397), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2503 transitions. [2024-11-19 10:32:42,334 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2503 transitions. Word has length 97 [2024-11-19 10:32:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:42,335 INFO L471 AbstractCegarLoop]: Abstraction has 1978 states and 2503 transitions. [2024-11-19 10:32:42,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2024-11-19 10:32:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2503 transitions. [2024-11-19 10:32:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:32:42,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:42,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:42,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-19 10:32:42,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-19 10:32:42,537 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:42,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1998151864, now seen corresponding path program 1 times [2024-11-19 10:32:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:42,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654196939] [2024-11-19 10:32:42,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-19 10:32:42,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:42,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654196939] [2024-11-19 10:32:42,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654196939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:42,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:42,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:32:42,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481820658] [2024-11-19 10:32:42,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:42,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:42,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:42,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:42,594 INFO L87 Difference]: Start difference. First operand 1978 states and 2503 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-19 10:32:42,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:42,846 INFO L93 Difference]: Finished difference Result 1991 states and 2508 transitions. [2024-11-19 10:32:42,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:42,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 97 [2024-11-19 10:32:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:42,849 INFO L225 Difference]: With dead ends: 1991 [2024-11-19 10:32:42,850 INFO L226 Difference]: Without dead ends: 1968 [2024-11-19 10:32:42,850 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 [2024-11-19 10:32:42,851 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 27 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:42,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 207 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-11-19 10:32:42,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1960. [2024-11-19 10:32:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1877 states have (on average 1.2663825253063399) internal successors, (2377), 1904 states have internal predecessors, (2377), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2483 transitions. [2024-11-19 10:32:42,988 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2483 transitions. Word has length 97 [2024-11-19 10:32:42,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:42,988 INFO L471 AbstractCegarLoop]: Abstraction has 1960 states and 2483 transitions. [2024-11-19 10:32:42,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-19 10:32:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2483 transitions. [2024-11-19 10:32:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:32:42,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:42,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:42,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-19 10:32:42,990 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:42,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1113200514, now seen corresponding path program 1 times [2024-11-19 10:32:42,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:42,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917778510] [2024-11-19 10:32:42,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:43,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:43,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917778510] [2024-11-19 10:32:43,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917778510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:43,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234280380] [2024-11-19 10:32:43,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:43,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:43,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:43,111 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:43,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-19 10:32:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:43,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:32:43,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:43,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:32:43,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234280380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:43,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:43,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-19 10:32:43,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721311031] [2024-11-19 10:32:43,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:43,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:32:43,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:32:43,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:32:43,662 INFO L87 Difference]: Start difference. First operand 1960 states and 2483 transitions. Second operand has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 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) [2024-11-19 10:32:44,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:44,318 INFO L93 Difference]: Finished difference Result 1986 states and 2511 transitions. [2024-11-19 10:32:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:32:44,318 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 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 97 [2024-11-19 10:32:44,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:44,321 INFO L225 Difference]: With dead ends: 1986 [2024-11-19 10:32:44,321 INFO L226 Difference]: Without dead ends: 1985 [2024-11-19 10:32:44,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:32:44,322 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 237 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:44,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 654 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:32:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2024-11-19 10:32:44,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1974. [2024-11-19 10:32:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1891 states have (on average 1.264939185616076) internal successors, (2392), 1918 states have internal predecessors, (2392), 53 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-19 10:32:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2498 transitions. [2024-11-19 10:32:44,445 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2498 transitions. Word has length 97 [2024-11-19 10:32:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:44,445 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2498 transitions. [2024-11-19 10:32:44,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.227272727272727) internal successors, (225), 23 states have internal predecessors, (225), 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) [2024-11-19 10:32:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2498 transitions. [2024-11-19 10:32:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 10:32:44,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:44,446 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-19 10:32:44,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:44,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:44,647 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:32:44,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:44,647 INFO L85 PathProgramCache]: Analyzing trace with hash -891108658, now seen corresponding path program 1 times [2024-11-19 10:32:44,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:44,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794573584] [2024-11-19 10:32:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:44,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426394881] [2024-11-19 10:32:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:44,672 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:44,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-19 10:32:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:44,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-19 10:32:44,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:32:45,528 INFO L311 TraceCheckSpWp]: Computing backward predicates...