./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.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 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:20:12,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:20:12,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:20:12,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:20:12,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:20:13,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:20:13,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:20:13,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:20:13,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:20:13,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:20:13,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:20:13,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:20:13,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:20:13,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:20:13,032 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:20:13,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:20:13,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:20:13,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:20:13,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:20:13,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:20:13,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:20:13,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:20:13,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:20:13,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:20:13,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:20:13,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:20:13,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:20:13,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:20:13,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:20:13,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:20:13,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:20:13,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:20:13,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:20:13,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:20:13,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 [2024-10-13 13:20:13,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:20:13,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:20:13,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:20:13,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:20:13,236 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:20:13,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-10-13 13:20:14,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:20:14,611 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:20:14,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-10-13 13:20:14,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a17d116/5b6668d3fa5c4eadb8818a5e8265a3d6/FLAG5df69d6cf [2024-10-13 13:20:15,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a17d116/5b6668d3fa5c4eadb8818a5e8265a3d6 [2024-10-13 13:20:15,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:20:15,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:20:15,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:20:15,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:20:15,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:20:15,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6bbaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15, skipping insertion in model container [2024-10-13 13:20:15,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:20:15,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:20:15,215 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:20:15,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:20:15,244 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:20:15,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15 WrapperNode [2024-10-13 13:20:15,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:20:15,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:20:15,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:20:15,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:20:15,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,279 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-10-13 13:20:15,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:20:15,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:20:15,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:20:15,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:20:15,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,306 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]. [2024-10-13 13:20:15,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:20:15,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:20:15,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:20:15,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:20:15,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (1/1) ... [2024-10-13 13:20:15,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:20:15,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:15,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:20:15,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:20:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:20:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 13:20:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 13:20:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:20:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:20:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:20:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:20:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:20:15,436 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:20:15,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:20:15,793 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-10-13 13:20:15,793 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:20:15,826 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:20:15,827 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:20:15,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:15 BoogieIcfgContainer [2024-10-13 13:20:15,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:20:15,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:20:15,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:20:15,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:20:15,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:20:15" (1/3) ... [2024-10-13 13:20:15,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca685f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:20:15, skipping insertion in model container [2024-10-13 13:20:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:15" (2/3) ... [2024-10-13 13:20:15,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca685f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:20:15, skipping insertion in model container [2024-10-13 13:20:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:15" (3/3) ... [2024-10-13 13:20:15,834 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound1.c [2024-10-13 13:20:15,846 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:20:15,846 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-13 13:20:15,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:20:15,902 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;@256e19d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:20:15,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-13 13:20:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 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) [2024-10-13 13:20:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:20:15,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:15,911 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:15,911 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)] === [2024-10-13 13:20:15,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:15,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1031300897, now seen corresponding path program 1 times [2024-10-13 13:20:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:15,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326897323] [2024-10-13 13:20:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:16,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:16,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326897323] [2024-10-13 13:20:16,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326897323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:16,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:16,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:20:16,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811641727] [2024-10-13 13:20:16,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:16,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:20:16,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:16,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:20:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:20:16,092 INFO L87 Difference]: Start difference. First operand has 136 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:16,117 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2024-10-13 13:20:16,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:20:16,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 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 13 [2024-10-13 13:20:16,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:16,125 INFO L225 Difference]: With dead ends: 270 [2024-10-13 13:20:16,125 INFO L226 Difference]: Without dead ends: 133 [2024-10-13 13:20:16,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:20:16,130 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:16,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:20:16,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-13 13:20:16,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-13 13:20:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 70 states have (on average 1.8428571428571427) internal successors, (129), 127 states have internal predecessors, (129), 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) [2024-10-13 13:20:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2024-10-13 13:20:16,162 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 13 [2024-10-13 13:20:16,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:16,163 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2024-10-13 13:20:16,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2024-10-13 13:20:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:20:16,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:16,164 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:16,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:20:16,164 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)] === [2024-10-13 13:20:16,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:16,165 INFO L85 PathProgramCache]: Analyzing trace with hash 638333469, now seen corresponding path program 1 times [2024-10-13 13:20:16,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:16,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963984456] [2024-10-13 13:20:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:16,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:16,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963984456] [2024-10-13 13:20:16,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963984456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:16,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:16,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:20:16,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483990253] [2024-10-13 13:20:16,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:16,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:20:16,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:16,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:20:16,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:16,237 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:16,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:16,378 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2024-10-13 13:20:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:20:16,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 13 [2024-10-13 13:20:16,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:16,380 INFO L225 Difference]: With dead ends: 133 [2024-10-13 13:20:16,380 INFO L226 Difference]: Without dead ends: 129 [2024-10-13 13:20:16,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:16,381 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:16,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 81 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:16,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-13 13:20:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-13 13:20:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 123 states have internal predecessors, (125), 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) [2024-10-13 13:20:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2024-10-13 13:20:16,389 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 13 [2024-10-13 13:20:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:16,390 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2024-10-13 13:20:16,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2024-10-13 13:20:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:20:16,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:16,391 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:16,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:20:16,391 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)] === [2024-10-13 13:20:16,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1686498902, now seen corresponding path program 1 times [2024-10-13 13:20:16,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:16,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607724001] [2024-10-13 13:20:16,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:16,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:16,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607724001] [2024-10-13 13:20:16,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607724001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:16,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:16,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:20:16,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599153599] [2024-10-13 13:20:16,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:16,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:20:16,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:16,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:20:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:16,450 INFO L87 Difference]: Start difference. First operand 129 states and 131 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) [2024-10-13 13:20:16,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:16,545 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2024-10-13 13:20:16,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:20:16,546 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 [2024-10-13 13:20:16,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:16,547 INFO L225 Difference]: With dead ends: 129 [2024-10-13 13:20:16,548 INFO L226 Difference]: Without dead ends: 125 [2024-10-13 13:20:16,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:16,550 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 88 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:16,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 81 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:16,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-13 13:20:16,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-13 13:20:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 119 states have internal predecessors, (121), 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) [2024-10-13 13:20:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-13 13:20:16,559 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 14 [2024-10-13 13:20:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:16,559 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-13 13:20:16,559 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) [2024-10-13 13:20:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-13 13:20:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 13:20:16,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:16,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:16,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 13:20:16,560 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)] === [2024-10-13 13:20:16,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:16,561 INFO L85 PathProgramCache]: Analyzing trace with hash -741858369, now seen corresponding path program 1 times [2024-10-13 13:20:16,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:16,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092971178] [2024-10-13 13:20:16,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:16,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:16,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:16,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092971178] [2024-10-13 13:20:16,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092971178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:16,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:16,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:16,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159580650] [2024-10-13 13:20:16,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:16,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:16,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:16,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:16,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:16,631 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-13 13:20:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:16,838 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2024-10-13 13:20:16,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:16,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 [2024-10-13 13:20:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:16,840 INFO L225 Difference]: With dead ends: 125 [2024-10-13 13:20:16,842 INFO L226 Difference]: Without dead ends: 122 [2024-10-13 13:20:16,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:16,843 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 171 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:16,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 75 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-13 13:20:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-13 13:20:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.6857142857142857) internal successors, (118), 116 states have internal predecessors, (118), 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) [2024-10-13 13:20:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-13 13:20:16,854 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 15 [2024-10-13 13:20:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:16,855 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-13 13:20:16,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-13 13:20:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-13 13:20:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-13 13:20:16,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:16,855 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:16,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:20:16,856 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)] === [2024-10-13 13:20:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1522772916, now seen corresponding path program 1 times [2024-10-13 13:20:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:16,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073569244] [2024-10-13 13:20:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:16,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:16,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073569244] [2024-10-13 13:20:16,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073569244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:16,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:16,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:16,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264539718] [2024-10-13 13:20:16,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:16,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:16,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:16,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:16,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:16,918 INFO L87 Difference]: Start difference. First operand 122 states and 124 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) [2024-10-13 13:20:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:17,069 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-13 13:20:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:17,070 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 [2024-10-13 13:20:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:17,071 INFO L225 Difference]: With dead ends: 122 [2024-10-13 13:20:17,071 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 13:20:17,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:17,072 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 170 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:17,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 75 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:17,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 13:20:17,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-10-13 13:20:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 113 states have internal predecessors, (115), 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) [2024-10-13 13:20:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2024-10-13 13:20:17,078 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 16 [2024-10-13 13:20:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:17,079 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2024-10-13 13:20:17,079 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) [2024-10-13 13:20:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2024-10-13 13:20:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:20:17,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:17,079 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:17,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:20:17,080 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)] === [2024-10-13 13:20:17,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:17,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1199077326, now seen corresponding path program 1 times [2024-10-13 13:20:17,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:17,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174673913] [2024-10-13 13:20:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:17,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387712735] [2024-10-13 13:20:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:17,097 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) [2024-10-13 13:20:17,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:20:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:17,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:20:17,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:17,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:17,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:17,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174673913] [2024-10-13 13:20:17,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:17,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387712735] [2024-10-13 13:20:17,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387712735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:17,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:17,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:20:17,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140432498] [2024-10-13 13:20:17,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:17,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:20:17,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:17,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:20:17,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:17,167 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:17,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:17,281 INFO L93 Difference]: Finished difference Result 184 states and 189 transitions. [2024-10-13 13:20:17,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:20:17,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-10-13 13:20:17,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:17,282 INFO L225 Difference]: With dead ends: 184 [2024-10-13 13:20:17,282 INFO L226 Difference]: Without dead ends: 178 [2024-10-13 13:20:17,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:17,283 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 57 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:17,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-13 13:20:17,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2024-10-13 13:20:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.6382978723404256) internal successors, (154), 137 states have internal predecessors, (154), 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) [2024-10-13 13:20:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2024-10-13 13:20:17,300 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 18 [2024-10-13 13:20:17,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:17,300 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2024-10-13 13:20:17,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2024-10-13 13:20:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 13:20:17,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:17,301 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:17,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:20:17,502 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,SelfDestructingSolverStorable5 [2024-10-13 13:20:17,502 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)] === [2024-10-13 13:20:17,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1262076752, now seen corresponding path program 1 times [2024-10-13 13:20:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:17,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312432621] [2024-10-13 13:20:17,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249819617] [2024-10-13 13:20:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:17,513 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) [2024-10-13 13:20:17,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:20:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:17,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:20:17,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:17,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:17,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:17,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312432621] [2024-10-13 13:20:17,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:17,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249819617] [2024-10-13 13:20:17,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249819617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:17,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:17,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:20:17,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005317925] [2024-10-13 13:20:17,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:17,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:20:17,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:17,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:20:17,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:17,559 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:17,635 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-10-13 13:20:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:20:17,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2024-10-13 13:20:17,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:17,637 INFO L225 Difference]: With dead ends: 241 [2024-10-13 13:20:17,637 INFO L226 Difference]: Without dead ends: 235 [2024-10-13 13:20:17,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:20:17,638 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:17,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 212 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-13 13:20:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 193. [2024-10-13 13:20:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 142 states have (on average 1.647887323943662) internal successors, (234), 185 states have internal predecessors, (234), 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) [2024-10-13 13:20:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 244 transitions. [2024-10-13 13:20:17,645 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 244 transitions. Word has length 20 [2024-10-13 13:20:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:17,645 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 244 transitions. [2024-10-13 13:20:17,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 244 transitions. [2024-10-13 13:20:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-13 13:20:17,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:17,646 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:17,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:17,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-13 13:20:17,847 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)] === [2024-10-13 13:20:17,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:17,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1674983122, now seen corresponding path program 1 times [2024-10-13 13:20:17,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:17,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568054135] [2024-10-13 13:20:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:17,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602339219] [2024-10-13 13:20:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:17,858 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) [2024-10-13 13:20:17,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:20:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:17,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:17,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:17,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:17,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:17,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568054135] [2024-10-13 13:20:17,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:17,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602339219] [2024-10-13 13:20:17,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602339219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:17,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:17,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:17,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998312910] [2024-10-13 13:20:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:17,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:17,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:17,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:17,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:17,942 INFO L87 Difference]: Start difference. First operand 193 states and 244 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:18,135 INFO L93 Difference]: Finished difference Result 261 states and 315 transitions. [2024-10-13 13:20:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:18,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-13 13:20:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:18,137 INFO L225 Difference]: With dead ends: 261 [2024-10-13 13:20:18,137 INFO L226 Difference]: Without dead ends: 259 [2024-10-13 13:20:18,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:18,138 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:18,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 228 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-13 13:20:18,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2024-10-13 13:20:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 143 states have (on average 1.6363636363636365) internal successors, (234), 186 states have internal predecessors, (234), 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) [2024-10-13 13:20:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 244 transitions. [2024-10-13 13:20:18,148 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 244 transitions. Word has length 22 [2024-10-13 13:20:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:18,149 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 244 transitions. [2024-10-13 13:20:18,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2024-10-13 13:20:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 13:20:18,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:18,150 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:18,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:20:18,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:18,351 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)] === [2024-10-13 13:20:18,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash 384869294, now seen corresponding path program 1 times [2024-10-13 13:20:18,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:18,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455448783] [2024-10-13 13:20:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:18,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:18,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799675631] [2024-10-13 13:20:18,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:18,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:18,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:18,365 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) [2024-10-13 13:20:18,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:20:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:18,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:18,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:18,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:18,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455448783] [2024-10-13 13:20:18,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799675631] [2024-10-13 13:20:18,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799675631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:18,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:18,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:18,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371073252] [2024-10-13 13:20:18,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:18,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:18,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:18,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:18,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:18,429 INFO L87 Difference]: Start difference. First operand 194 states and 244 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) [2024-10-13 13:20:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:18,610 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2024-10-13 13:20:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:18,611 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 [2024-10-13 13:20:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:18,613 INFO L225 Difference]: With dead ends: 260 [2024-10-13 13:20:18,613 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 13:20:18,613 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 [2024-10-13 13:20:18,614 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 120 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:18,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 231 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:18,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 13:20:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 195. [2024-10-13 13:20:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.625) internal successors, (234), 187 states have internal predecessors, (234), 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) [2024-10-13 13:20:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 244 transitions. [2024-10-13 13:20:18,622 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 244 transitions. Word has length 23 [2024-10-13 13:20:18,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:18,622 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 244 transitions. [2024-10-13 13:20:18,622 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) [2024-10-13 13:20:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 244 transitions. [2024-10-13 13:20:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:20:18,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:18,623 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] [2024-10-13 13:20:18,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:18,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:18,826 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)] === [2024-10-13 13:20:18,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash -953953708, now seen corresponding path program 1 times [2024-10-13 13:20:18,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:18,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675665944] [2024-10-13 13:20:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:18,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10916897] [2024-10-13 13:20:18,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:18,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:18,841 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) [2024-10-13 13:20:18,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:20:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:18,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:18,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:18,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:18,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675665944] [2024-10-13 13:20:18,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10916897] [2024-10-13 13:20:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10916897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:18,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:18,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:18,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110029847] [2024-10-13 13:20:18,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:18,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:18,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:18,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:18,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:18,901 INFO L87 Difference]: Start difference. First operand 195 states and 244 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) [2024-10-13 13:20:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:19,002 INFO L93 Difference]: Finished difference Result 255 states and 273 transitions. [2024-10-13 13:20:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:19,003 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 [2024-10-13 13:20:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:19,004 INFO L225 Difference]: With dead ends: 255 [2024-10-13 13:20:19,004 INFO L226 Difference]: Without dead ends: 253 [2024-10-13 13:20:19,004 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 [2024-10-13 13:20:19,005 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 168 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:19,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 255 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:19,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-13 13:20:19,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2024-10-13 13:20:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 187 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) [2024-10-13 13:20:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-10-13 13:20:19,014 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 24 [2024-10-13 13:20:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:19,014 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-10-13 13:20:19,015 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) [2024-10-13 13:20:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-10-13 13:20:19,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 13:20:19,015 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:19,015 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] [2024-10-13 13:20:19,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:20:19,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 13:20:19,216 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)] === [2024-10-13 13:20:19,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash 492206192, now seen corresponding path program 1 times [2024-10-13 13:20:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:19,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475733628] [2024-10-13 13:20:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:19,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671531863] [2024-10-13 13:20:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:19,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:19,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:19,229 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) [2024-10-13 13:20:19,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:20:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:19,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:19,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:19,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:19,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:19,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475733628] [2024-10-13 13:20:19,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:19,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671531863] [2024-10-13 13:20:19,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671531863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:19,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:19,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:19,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974743507] [2024-10-13 13:20:19,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:19,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:19,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:19,288 INFO L87 Difference]: Start difference. First operand 195 states and 241 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) [2024-10-13 13:20:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:19,474 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2024-10-13 13:20:19,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:19,475 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 [2024-10-13 13:20:19,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:19,476 INFO L225 Difference]: With dead ends: 253 [2024-10-13 13:20:19,476 INFO L226 Difference]: Without dead ends: 251 [2024-10-13 13:20:19,476 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 [2024-10-13 13:20:19,476 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 165 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:19,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 253 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:19,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-13 13:20:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 195. [2024-10-13 13:20:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 187 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) [2024-10-13 13:20:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 238 transitions. [2024-10-13 13:20:19,482 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 238 transitions. Word has length 25 [2024-10-13 13:20:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 238 transitions. [2024-10-13 13:20:19,483 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) [2024-10-13 13:20:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 238 transitions. [2024-10-13 13:20:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 13:20:19,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:19,483 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] [2024-10-13 13:20:19,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:20:19,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:19,684 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)] === [2024-10-13 13:20:19,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:19,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1921477162, now seen corresponding path program 1 times [2024-10-13 13:20:19,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:19,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773833931] [2024-10-13 13:20:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:19,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575478281] [2024-10-13 13:20:19,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:19,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:19,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:19,701 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) [2024-10-13 13:20:19,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:20:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:19,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:19,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:19,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:19,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:19,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773833931] [2024-10-13 13:20:19,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:19,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575478281] [2024-10-13 13:20:19,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575478281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:19,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:19,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:20:19,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050544717] [2024-10-13 13:20:19,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:19,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:20:19,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:20:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:19,765 INFO L87 Difference]: Start difference. First operand 195 states and 238 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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) [2024-10-13 13:20:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:19,983 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2024-10-13 13:20:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:20:19,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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 [2024-10-13 13:20:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:19,985 INFO L225 Difference]: With dead ends: 255 [2024-10-13 13:20:19,985 INFO L226 Difference]: Without dead ends: 253 [2024-10-13 13:20:19,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:20:19,986 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:19,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 231 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:19,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-13 13:20:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 198. [2024-10-13 13:20:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.564625850340136) internal successors, (230), 190 states have internal predecessors, (230), 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) [2024-10-13 13:20:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 240 transitions. [2024-10-13 13:20:19,995 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 240 transitions. Word has length 26 [2024-10-13 13:20:19,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:19,996 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 240 transitions. [2024-10-13 13:20:19,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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) [2024-10-13 13:20:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 240 transitions. [2024-10-13 13:20:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:20:19,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:19,997 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] [2024-10-13 13:20:20,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:20:20,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:20,198 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)] === [2024-10-13 13:20:20,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:20,198 INFO L85 PathProgramCache]: Analyzing trace with hash 563750194, now seen corresponding path program 1 times [2024-10-13 13:20:20,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:20,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304841248] [2024-10-13 13:20:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:20,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:20,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868291084] [2024-10-13 13:20:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:20,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:20,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:20,207 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) [2024-10-13 13:20:20,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:20:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:20,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:20,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:20,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:20,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:20,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304841248] [2024-10-13 13:20:20,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:20,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868291084] [2024-10-13 13:20:20,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868291084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:20,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:20,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:20:20,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763887347] [2024-10-13 13:20:20,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:20,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:20:20,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:20,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:20:20,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:20,281 INFO L87 Difference]: Start difference. First operand 198 states and 240 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) [2024-10-13 13:20:20,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:20,425 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-10-13 13:20:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:20:20,425 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 [2024-10-13 13:20:20,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:20,426 INFO L225 Difference]: With dead ends: 254 [2024-10-13 13:20:20,426 INFO L226 Difference]: Without dead ends: 252 [2024-10-13 13:20:20,426 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 [2024-10-13 13:20:20,427 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 229 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:20,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:20,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-13 13:20:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 198. [2024-10-13 13:20:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 147 states have (on average 1.5442176870748299) internal successors, (227), 190 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) [2024-10-13 13:20:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 237 transitions. [2024-10-13 13:20:20,433 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 237 transitions. Word has length 27 [2024-10-13 13:20:20,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:20,433 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 237 transitions. [2024-10-13 13:20:20,433 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) [2024-10-13 13:20:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-10-13 13:20:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:20:20,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:20,434 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] [2024-10-13 13:20:20,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:20:20,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 13:20:20,639 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)] === [2024-10-13 13:20:20,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:20,639 INFO L85 PathProgramCache]: Analyzing trace with hash 296386904, now seen corresponding path program 1 times [2024-10-13 13:20:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:20,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156934930] [2024-10-13 13:20:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:20,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:20,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467206737] [2024-10-13 13:20:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:20,653 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) [2024-10-13 13:20:20,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:20:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:20,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:20:20,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:20,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:20,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:20,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156934930] [2024-10-13 13:20:20,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:20,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467206737] [2024-10-13 13:20:20,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467206737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:20,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:20,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:20:20,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726205074] [2024-10-13 13:20:20,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:20,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:20:20,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:20,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:20:20,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:20:20,796 INFO L87 Difference]: Start difference. First operand 198 states and 237 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-10-13 13:20:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:20,987 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2024-10-13 13:20:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:20,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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 [2024-10-13 13:20:20,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:20,988 INFO L225 Difference]: With dead ends: 250 [2024-10-13 13:20:20,988 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 13:20:20,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:20:20,989 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 313 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:20,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 184 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:20,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 13:20:20,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 200. [2024-10-13 13:20:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 149 states have (on average 1.5302013422818792) internal successors, (228), 192 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) [2024-10-13 13:20:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 238 transitions. [2024-10-13 13:20:20,995 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 238 transitions. Word has length 28 [2024-10-13 13:20:20,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:20,995 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 238 transitions. [2024-10-13 13:20:20,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-10-13 13:20:20,995 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 238 transitions. [2024-10-13 13:20:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:20:20,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:20,996 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] [2024-10-13 13:20:21,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:20:21,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 13:20:21,198 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)] === [2024-10-13 13:20:21,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:21,198 INFO L85 PathProgramCache]: Analyzing trace with hash 598059508, now seen corresponding path program 1 times [2024-10-13 13:20:21,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:21,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929763692] [2024-10-13 13:20:21,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:21,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:21,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:21,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:21,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:21,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929763692] [2024-10-13 13:20:21,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929763692] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:21,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775111422] [2024-10-13 13:20:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:21,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:21,326 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) [2024-10-13 13:20:21,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:20:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:21,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:20:21,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:21,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:21,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775111422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:21,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:21,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-13 13:20:21,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535717197] [2024-10-13 13:20:21,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:21,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:20:21,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:21,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:20:21,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:21,458 INFO L87 Difference]: Start difference. First operand 200 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) [2024-10-13 13:20:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:21,727 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2024-10-13 13:20:21,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:21,728 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 [2024-10-13 13:20:21,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:21,728 INFO L225 Difference]: With dead ends: 250 [2024-10-13 13:20:21,729 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 13:20:21,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:21,729 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 245 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:21,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 202 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:21,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 13:20:21,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-10-13 13:20:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 150 states have (on average 1.52) internal successors, (228), 193 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) [2024-10-13 13:20:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2024-10-13 13:20:21,735 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 29 [2024-10-13 13:20:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:21,736 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2024-10-13 13:20:21,736 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) [2024-10-13 13:20:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2024-10-13 13:20:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 13:20:21,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:21,736 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] [2024-10-13 13:20:21,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:21,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:20:21,941 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)] === [2024-10-13 13:20:21,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1266536540, now seen corresponding path program 1 times [2024-10-13 13:20:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528137410] [2024-10-13 13:20:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:22,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528137410] [2024-10-13 13:20:22,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528137410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:22,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:22,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:20:22,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386158545] [2024-10-13 13:20:22,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:22,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:20:22,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:20:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:20:22,020 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-13 13:20:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:22,198 INFO L93 Difference]: Finished difference Result 201 states and 238 transitions. [2024-10-13 13:20:22,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:20:22,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 32 [2024-10-13 13:20:22,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:22,199 INFO L225 Difference]: With dead ends: 201 [2024-10-13 13:20:22,199 INFO L226 Difference]: Without dead ends: 199 [2024-10-13 13:20:22,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:20:22,200 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 114 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:22,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 191 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-13 13:20:22,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-13 13:20:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.4866666666666666) internal successors, (223), 191 states have internal predecessors, (223), 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) [2024-10-13 13:20:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-10-13 13:20:22,212 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 32 [2024-10-13 13:20:22,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:22,212 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-10-13 13:20:22,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-13 13:20:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-10-13 13:20:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:20:22,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:22,214 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] [2024-10-13 13:20:22,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 13:20:22,215 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)] === [2024-10-13 13:20:22,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash 607927160, now seen corresponding path program 1 times [2024-10-13 13:20:22,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042878823] [2024-10-13 13:20:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:22,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:22,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575119704] [2024-10-13 13:20:22,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:22,231 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) [2024-10-13 13:20:22,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:20:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:20:22,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:22,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:22,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:22,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042878823] [2024-10-13 13:20:22,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:22,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575119704] [2024-10-13 13:20:22,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575119704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:22,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:22,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:20:22,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156136057] [2024-10-13 13:20:22,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:22,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:20:22,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:20:22,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:20:22,410 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:22,714 INFO L93 Difference]: Finished difference Result 242 states and 287 transitions. [2024-10-13 13:20:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:20:22,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 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 33 [2024-10-13 13:20:22,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:22,715 INFO L225 Difference]: With dead ends: 242 [2024-10-13 13:20:22,715 INFO L226 Difference]: Without dead ends: 240 [2024-10-13 13:20:22,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:22,716 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 291 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:22,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 125 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-13 13:20:22,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2024-10-13 13:20:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4675324675324675) internal successors, (226), 195 states have internal predecessors, (226), 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) [2024-10-13 13:20:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2024-10-13 13:20:22,722 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 33 [2024-10-13 13:20:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:22,722 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2024-10-13 13:20:22,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:20:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2024-10-13 13:20:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 13:20:22,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:22,723 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] [2024-10-13 13:20:22,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:22,923 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,SelfDestructingSolverStorable16 [2024-10-13 13:20:22,923 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)] === [2024-10-13 13:20:22,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1665872862, now seen corresponding path program 1 times [2024-10-13 13:20:22,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:22,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733371246] [2024-10-13 13:20:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:22,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:22,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:22,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733371246] [2024-10-13 13:20:22,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733371246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:22,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:22,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:22,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486568649] [2024-10-13 13:20:22,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:22,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:22,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:22,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:22,963 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:23,172 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2024-10-13 13:20:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:23,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 34 [2024-10-13 13:20:23,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:23,173 INFO L225 Difference]: With dead ends: 222 [2024-10-13 13:20:23,173 INFO L226 Difference]: Without dead ends: 220 [2024-10-13 13:20:23,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:23,174 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:23,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 145 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:23,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-13 13:20:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2024-10-13 13:20:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 196 states have internal predecessors, (226), 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) [2024-10-13 13:20:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-10-13 13:20:23,183 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 34 [2024-10-13 13:20:23,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:23,183 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-10-13 13:20:23,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:20:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-10-13 13:20:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-13 13:20:23,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:23,184 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] [2024-10-13 13:20:23,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 13:20:23,185 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)] === [2024-10-13 13:20:23,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:23,185 INFO L85 PathProgramCache]: Analyzing trace with hash 102451258, now seen corresponding path program 1 times [2024-10-13 13:20:23,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:23,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089224849] [2024-10-13 13:20:23,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:23,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:23,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089224849] [2024-10-13 13:20:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089224849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:23,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:23,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:23,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200943766] [2024-10-13 13:20:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:23,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:23,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:23,217 INFO L87 Difference]: Start difference. First operand 204 states and 236 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) [2024-10-13 13:20:23,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:23,457 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2024-10-13 13:20:23,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:23,457 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 [2024-10-13 13:20:23,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:23,458 INFO L225 Difference]: With dead ends: 222 [2024-10-13 13:20:23,458 INFO L226 Difference]: Without dead ends: 220 [2024-10-13 13:20:23,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:23,459 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:23,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 158 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:23,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-13 13:20:23,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-10-13 13:20:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 156 states have (on average 1.4487179487179487) internal successors, (226), 197 states have internal predecessors, (226), 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) [2024-10-13 13:20:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 236 transitions. [2024-10-13 13:20:23,464 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 236 transitions. Word has length 35 [2024-10-13 13:20:23,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:23,464 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 236 transitions. [2024-10-13 13:20:23,464 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) [2024-10-13 13:20:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 236 transitions. [2024-10-13 13:20:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:20:23,465 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:23,465 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:23,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 13:20:23,465 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)] === [2024-10-13 13:20:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1145505025, now seen corresponding path program 1 times [2024-10-13 13:20:23,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:23,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353207320] [2024-10-13 13:20:23,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353207320] [2024-10-13 13:20:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353207320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:23,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:23,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:20:23,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179711738] [2024-10-13 13:20:23,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:23,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:20:23,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:23,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:20:23,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:23,517 INFO L87 Difference]: Start difference. First operand 205 states and 236 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-13 13:20:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:23,715 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2024-10-13 13:20:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 45 [2024-10-13 13:20:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:23,717 INFO L225 Difference]: With dead ends: 222 [2024-10-13 13:20:23,717 INFO L226 Difference]: Without dead ends: 220 [2024-10-13 13:20:23,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:20:23,717 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 308 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:23,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 125 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-13 13:20:23,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2024-10-13 13:20:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 206 states have internal predecessors, (236), 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) [2024-10-13 13:20:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 246 transitions. [2024-10-13 13:20:23,725 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 246 transitions. Word has length 45 [2024-10-13 13:20:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:23,725 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 246 transitions. [2024-10-13 13:20:23,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-13 13:20:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 246 transitions. [2024-10-13 13:20:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-13 13:20:23,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:23,726 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] [2024-10-13 13:20:23,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 13:20:23,726 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)] === [2024-10-13 13:20:23,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1150917302, now seen corresponding path program 1 times [2024-10-13 13:20:23,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:23,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598169498] [2024-10-13 13:20:23,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:23,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:23,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:23,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598169498] [2024-10-13 13:20:23,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598169498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:23,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:23,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:23,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685080063] [2024-10-13 13:20:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:23,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:23,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:23,778 INFO L87 Difference]: Start difference. First operand 214 states and 246 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-13 13:20:23,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:23,850 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2024-10-13 13:20:23,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:23,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 46 [2024-10-13 13:20:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:23,852 INFO L225 Difference]: With dead ends: 214 [2024-10-13 13:20:23,852 INFO L226 Difference]: Without dead ends: 213 [2024-10-13 13:20:23,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:23,852 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 65 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:23,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 147 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:23,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-13 13:20:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-13 13:20:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4181818181818182) internal successors, (234), 205 states have internal predecessors, (234), 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) [2024-10-13 13:20:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 244 transitions. [2024-10-13 13:20:23,858 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 244 transitions. Word has length 46 [2024-10-13 13:20:23,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:23,858 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 244 transitions. [2024-10-13 13:20:23,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-13 13:20:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 244 transitions. [2024-10-13 13:20:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:20:23,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:23,859 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] [2024-10-13 13:20:23,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 13:20:23,859 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)] === [2024-10-13 13:20:23,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:23,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2070039148, now seen corresponding path program 1 times [2024-10-13 13:20:23,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:23,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134547286] [2024-10-13 13:20:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:23,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:23,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:23,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134547286] [2024-10-13 13:20:23,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134547286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:23,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:23,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:23,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465728897] [2024-10-13 13:20:23,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:23,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:23,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:23,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:23,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:23,895 INFO L87 Difference]: Start difference. First operand 213 states and 244 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-13 13:20:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:23,987 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2024-10-13 13:20:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:23,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 48 [2024-10-13 13:20:23,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:23,993 INFO L225 Difference]: With dead ends: 228 [2024-10-13 13:20:23,993 INFO L226 Difference]: Without dead ends: 226 [2024-10-13 13:20:23,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:23,993 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:23,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:23,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-13 13:20:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2024-10-13 13:20:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4114285714285715) internal successors, (247), 215 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) [2024-10-13 13:20:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 257 transitions. [2024-10-13 13:20:23,999 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 257 transitions. Word has length 48 [2024-10-13 13:20:23,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:23,999 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 257 transitions. [2024-10-13 13:20:23,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-13 13:20:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 257 transitions. [2024-10-13 13:20:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:20:24,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:24,000 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] [2024-10-13 13:20:24,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 13:20:24,000 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)] === [2024-10-13 13:20:24,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1643991946, now seen corresponding path program 1 times [2024-10-13 13:20:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:24,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133675621] [2024-10-13 13:20:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:24,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:24,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133675621] [2024-10-13 13:20:24,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133675621] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:24,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:24,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:20:24,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940008648] [2024-10-13 13:20:24,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:24,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:20:24,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:24,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:20:24,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:24,064 INFO L87 Difference]: Start difference. First operand 223 states and 257 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-13 13:20:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:24,210 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2024-10-13 13:20:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:20:24,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 48 [2024-10-13 13:20:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:24,212 INFO L225 Difference]: With dead ends: 224 [2024-10-13 13:20:24,212 INFO L226 Difference]: Without dead ends: 223 [2024-10-13 13:20:24,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:20:24,212 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 142 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:24,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 167 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-13 13:20:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-13 13:20:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 175 states have (on average 1.4057142857142857) internal successors, (246), 215 states have internal predecessors, (246), 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) [2024-10-13 13:20:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 256 transitions. [2024-10-13 13:20:24,218 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 256 transitions. Word has length 48 [2024-10-13 13:20:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:24,219 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 256 transitions. [2024-10-13 13:20:24,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-13 13:20:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 256 transitions. [2024-10-13 13:20:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 13:20:24,219 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:24,219 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] [2024-10-13 13:20:24,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 13:20:24,220 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)] === [2024-10-13 13:20:24,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:24,220 INFO L85 PathProgramCache]: Analyzing trace with hash 575857347, now seen corresponding path program 1 times [2024-10-13 13:20:24,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:24,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318558729] [2024-10-13 13:20:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:24,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:24,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318558729] [2024-10-13 13:20:24,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318558729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:24,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:24,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:20:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027217138] [2024-10-13 13:20:24,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:24,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:20:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:20:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:24,255 INFO L87 Difference]: Start difference. First operand 223 states and 256 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) [2024-10-13 13:20:24,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:24,297 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2024-10-13 13:20:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:20:24,298 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 [2024-10-13 13:20:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:24,299 INFO L225 Difference]: With dead ends: 260 [2024-10-13 13:20:24,299 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 13:20:24,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:20:24,300 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 56 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:24,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 306 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:20:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 13:20:24,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 231. [2024-10-13 13:20:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 183 states have (on average 1.3879781420765027) internal successors, (254), 223 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:20:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 264 transitions. [2024-10-13 13:20:24,306 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 264 transitions. Word has length 49 [2024-10-13 13:20:24,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:24,306 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 264 transitions. [2024-10-13 13:20:24,306 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) [2024-10-13 13:20:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 264 transitions. [2024-10-13 13:20:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-13 13:20:24,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:24,307 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] [2024-10-13 13:20:24,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 13:20:24,307 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)] === [2024-10-13 13:20:24,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1395947735, now seen corresponding path program 1 times [2024-10-13 13:20:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505068894] [2024-10-13 13:20:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:24,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985510226] [2024-10-13 13:20:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:24,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:24,317 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) [2024-10-13 13:20:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:20:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:20:24,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:24,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:24,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505068894] [2024-10-13 13:20:24,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985510226] [2024-10-13 13:20:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985510226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:24,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 13:20:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891707858] [2024-10-13 13:20:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:24,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:20:24,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:20:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:20:24,492 INFO L87 Difference]: Start difference. First operand 231 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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) [2024-10-13 13:20:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:24,671 INFO L93 Difference]: Finished difference Result 231 states and 264 transitions. [2024-10-13 13:20:24,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:24,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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 51 [2024-10-13 13:20:24,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:24,673 INFO L225 Difference]: With dead ends: 231 [2024-10-13 13:20:24,673 INFO L226 Difference]: Without dead ends: 228 [2024-10-13 13:20:24,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:20:24,673 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 105 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:24,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 339 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:24,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-13 13:20:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-13 13:20:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 183 states have (on average 1.355191256830601) internal successors, (248), 220 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) [2024-10-13 13:20:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2024-10-13 13:20:24,679 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 51 [2024-10-13 13:20:24,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:24,679 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2024-10-13 13:20:24,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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) [2024-10-13 13:20:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2024-10-13 13:20:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:20:24,680 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:24,680 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] [2024-10-13 13:20:24,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:20:24,880 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,SelfDestructingSolverStorable24 [2024-10-13 13:20:24,880 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)] === [2024-10-13 13:20:24,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:24,881 INFO L85 PathProgramCache]: Analyzing trace with hash 324706881, now seen corresponding path program 1 times [2024-10-13 13:20:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:24,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86553593] [2024-10-13 13:20:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:24,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674761481] [2024-10-13 13:20:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:24,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:24,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:24,895 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) [2024-10-13 13:20:24,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:20:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:24,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:20:24,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:25,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:25,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:25,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86553593] [2024-10-13 13:20:25,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:25,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674761481] [2024-10-13 13:20:25,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674761481] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:25,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:25,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-10-13 13:20:25,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507066939] [2024-10-13 13:20:25,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:25,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:20:25,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:25,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:20:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:25,330 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:20:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:25,580 INFO L93 Difference]: Finished difference Result 318 states and 362 transitions. [2024-10-13 13:20:25,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:20:25,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 52 [2024-10-13 13:20:25,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:25,581 INFO L225 Difference]: With dead ends: 318 [2024-10-13 13:20:25,581 INFO L226 Difference]: Without dead ends: 316 [2024-10-13 13:20:25,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:20:25,582 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 391 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:25,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 261 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-13 13:20:25,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 269. [2024-10-13 13:20:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 223 states have (on average 1.3856502242152466) internal successors, (309), 260 states have internal predecessors, (309), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:20:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 321 transitions. [2024-10-13 13:20:25,589 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 321 transitions. Word has length 52 [2024-10-13 13:20:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:25,590 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 321 transitions. [2024-10-13 13:20:25,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:20:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 321 transitions. [2024-10-13 13:20:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 13:20:25,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:25,590 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] [2024-10-13 13:20:25,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:20:25,790 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,SelfDestructingSolverStorable25 [2024-10-13 13:20:25,791 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)] === [2024-10-13 13:20:25,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:25,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1076398939, now seen corresponding path program 1 times [2024-10-13 13:20:25,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:25,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725558780] [2024-10-13 13:20:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970506955] [2024-10-13 13:20:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:25,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:25,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:25,802 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) [2024-10-13 13:20:25,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:20:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:25,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:20:25,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:26,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:26,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:26,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725558780] [2024-10-13 13:20:26,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:26,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970506955] [2024-10-13 13:20:26,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970506955] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:26,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:26,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-13 13:20:26,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740986411] [2024-10-13 13:20:26,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:26,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:20:26,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:26,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:20:26,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:20:26,204 INFO L87 Difference]: Start difference. First operand 269 states and 321 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 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) [2024-10-13 13:20:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:26,782 INFO L93 Difference]: Finished difference Result 422 states and 514 transitions. [2024-10-13 13:20:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 13:20:26,783 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 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 55 [2024-10-13 13:20:26,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:26,784 INFO L225 Difference]: With dead ends: 422 [2024-10-13 13:20:26,784 INFO L226 Difference]: Without dead ends: 416 [2024-10-13 13:20:26,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-10-13 13:20:26,785 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 681 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:26,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 357 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:20:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-13 13:20:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 321. [2024-10-13 13:20:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 275 states have (on average 1.3709090909090909) internal successors, (377), 310 states have internal predecessors, (377), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 13:20:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 393 transitions. [2024-10-13 13:20:26,795 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 393 transitions. Word has length 55 [2024-10-13 13:20:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:26,796 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 393 transitions. [2024-10-13 13:20:26,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 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) [2024-10-13 13:20:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 393 transitions. [2024-10-13 13:20:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 13:20:26,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:26,797 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] [2024-10-13 13:20:26,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:27,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:27,002 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:27,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1477004917, now seen corresponding path program 1 times [2024-10-13 13:20:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333101473] [2024-10-13 13:20:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643226775] [2024-10-13 13:20:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:27,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:27,022 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) [2024-10-13 13:20:27,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:20:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:27,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:20:27,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:27,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:27,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:27,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333101473] [2024-10-13 13:20:27,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:27,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643226775] [2024-10-13 13:20:27,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643226775] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:27,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:27,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:20:27,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990617419] [2024-10-13 13:20:27,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:27,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:20:27,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:27,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:20:27,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:27,300 INFO L87 Difference]: Start difference. First operand 321 states and 393 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-13 13:20:27,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:27,544 INFO L93 Difference]: Finished difference Result 333 states and 401 transitions. [2024-10-13 13:20:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:27,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 57 [2024-10-13 13:20:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:27,546 INFO L225 Difference]: With dead ends: 333 [2024-10-13 13:20:27,546 INFO L226 Difference]: Without dead ends: 329 [2024-10-13 13:20:27,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:27,546 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 142 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:27,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 389 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:27,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-13 13:20:27,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 317. [2024-10-13 13:20:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 275 states have (on average 1.3381818181818181) internal successors, (368), 306 states have internal predecessors, (368), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 13:20:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 384 transitions. [2024-10-13 13:20:27,558 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 384 transitions. Word has length 57 [2024-10-13 13:20:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:27,559 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 384 transitions. [2024-10-13 13:20:27,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2024-10-13 13:20:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 384 transitions. [2024-10-13 13:20:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-13 13:20:27,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:27,559 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] [2024-10-13 13:20:27,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:20:27,759 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,SelfDestructingSolverStorable27 [2024-10-13 13:20:27,760 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:27,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1457487889, now seen corresponding path program 1 times [2024-10-13 13:20:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:27,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457822259] [2024-10-13 13:20:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:27,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686131569] [2024-10-13 13:20:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:27,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:27,773 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) [2024-10-13 13:20:27,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:20:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:27,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:20:27,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:28,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:28,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457822259] [2024-10-13 13:20:28,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686131569] [2024-10-13 13:20:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686131569] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:28,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:20:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573244982] [2024-10-13 13:20:28,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:28,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:20:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:20:28,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:28,661 INFO L87 Difference]: Start difference. First operand 317 states and 384 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-10-13 13:20:28,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:28,860 INFO L93 Difference]: Finished difference Result 437 states and 535 transitions. [2024-10-13 13:20:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:20:28,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 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 58 [2024-10-13 13:20:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:28,861 INFO L225 Difference]: With dead ends: 437 [2024-10-13 13:20:28,861 INFO L226 Difference]: Without dead ends: 435 [2024-10-13 13:20:28,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:28,862 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 220 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:28,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 349 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-13 13:20:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 389. [2024-10-13 13:20:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 345 states have (on average 1.373913043478261) internal successors, (474), 376 states have internal predecessors, (474), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:20:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 494 transitions. [2024-10-13 13:20:28,878 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 494 transitions. Word has length 58 [2024-10-13 13:20:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:28,878 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 494 transitions. [2024-10-13 13:20:28,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-10-13 13:20:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 494 transitions. [2024-10-13 13:20:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:20:28,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:28,879 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] [2024-10-13 13:20:28,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:29,083 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,SelfDestructingSolverStorable28 [2024-10-13 13:20:29,084 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:29,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1744077345, now seen corresponding path program 1 times [2024-10-13 13:20:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779424362] [2024-10-13 13:20:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795499737] [2024-10-13 13:20:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:29,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:29,093 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) [2024-10-13 13:20:29,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:20:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:29,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:29,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 13:20:29,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 13:20:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779424362] [2024-10-13 13:20:29,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795499737] [2024-10-13 13:20:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795499737] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:29,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:29,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-13 13:20:29,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558413020] [2024-10-13 13:20:29,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:29,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:20:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:29,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:20:29,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:20:29,220 INFO L87 Difference]: Start difference. First operand 389 states and 494 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:20:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:29,403 INFO L93 Difference]: Finished difference Result 428 states and 521 transitions. [2024-10-13 13:20:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:29,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-10-13 13:20:29,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:29,404 INFO L225 Difference]: With dead ends: 428 [2024-10-13 13:20:29,404 INFO L226 Difference]: Without dead ends: 426 [2024-10-13 13:20:29,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:20:29,405 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 161 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:29,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 277 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:29,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-13 13:20:29,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 389. [2024-10-13 13:20:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 345 states have (on average 1.3652173913043477) internal successors, (471), 376 states have internal predecessors, (471), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:20:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 491 transitions. [2024-10-13 13:20:29,420 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 491 transitions. Word has length 59 [2024-10-13 13:20:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:29,420 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 491 transitions. [2024-10-13 13:20:29,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:20:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 491 transitions. [2024-10-13 13:20:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:20:29,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:29,421 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] [2024-10-13 13:20:29,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:20:29,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:29,622 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:29,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:29,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1021080799, now seen corresponding path program 1 times [2024-10-13 13:20:29,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:29,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767909264] [2024-10-13 13:20:29,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:29,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:29,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399744733] [2024-10-13 13:20:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:29,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:29,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:29,636 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) [2024-10-13 13:20:29,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:20:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:29,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:20:29,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:30,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:30,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:30,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767909264] [2024-10-13 13:20:30,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:30,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399744733] [2024-10-13 13:20:30,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399744733] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:30,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:30,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-13 13:20:30,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559073739] [2024-10-13 13:20:30,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:30,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:20:30,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:30,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:20:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:20:30,467 INFO L87 Difference]: Start difference. First operand 389 states and 491 transitions. Second operand has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 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) [2024-10-13 13:20:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:31,696 INFO L93 Difference]: Finished difference Result 458 states and 569 transitions. [2024-10-13 13:20:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 13:20:31,696 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 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 61 [2024-10-13 13:20:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:31,698 INFO L225 Difference]: With dead ends: 458 [2024-10-13 13:20:31,698 INFO L226 Difference]: Without dead ends: 432 [2024-10-13 13:20:31,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=1059, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 13:20:31,698 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 742 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:31,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 286 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:20:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-13 13:20:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 376. [2024-10-13 13:20:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 332 states have (on average 1.3704819277108433) internal successors, (455), 363 states have internal predecessors, (455), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:20:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 475 transitions. [2024-10-13 13:20:31,710 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 475 transitions. Word has length 61 [2024-10-13 13:20:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:31,710 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 475 transitions. [2024-10-13 13:20:31,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.5) internal successors, (99), 19 states have internal predecessors, (99), 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) [2024-10-13 13:20:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 475 transitions. [2024-10-13 13:20:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:20:31,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:31,710 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] [2024-10-13 13:20:31,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-13 13:20:31,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:31,914 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:31,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2097599729, now seen corresponding path program 1 times [2024-10-13 13:20:31,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:31,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502615473] [2024-10-13 13:20:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:31,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744871365] [2024-10-13 13:20:31,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:31,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:31,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:31,924 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) [2024-10-13 13:20:31,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:20:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:31,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:20:31,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:32,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:32,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:32,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502615473] [2024-10-13 13:20:32,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:32,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744871365] [2024-10-13 13:20:32,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744871365] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:32,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:32,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-10-13 13:20:32,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811640852] [2024-10-13 13:20:32,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:32,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:20:32,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:20:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:32,251 INFO L87 Difference]: Start difference. First operand 376 states and 475 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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) [2024-10-13 13:20:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:33,488 INFO L93 Difference]: Finished difference Result 567 states and 687 transitions. [2024-10-13 13:20:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 13:20:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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 61 [2024-10-13 13:20:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:33,490 INFO L225 Difference]: With dead ends: 567 [2024-10-13 13:20:33,490 INFO L226 Difference]: Without dead ends: 565 [2024-10-13 13:20:33,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:20:33,491 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 568 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:33,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 524 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:20:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-13 13:20:33,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 450. [2024-10-13 13:20:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 404 states have (on average 1.381188118811881) internal successors, (558), 435 states have internal predecessors, (558), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:20:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 582 transitions. [2024-10-13 13:20:33,508 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 582 transitions. Word has length 61 [2024-10-13 13:20:33,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:33,509 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 582 transitions. [2024-10-13 13:20:33,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 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) [2024-10-13 13:20:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 582 transitions. [2024-10-13 13:20:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:20:33,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:33,509 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] [2024-10-13 13:20:33,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:33,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:33,710 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:33,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:33,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1588733621, now seen corresponding path program 1 times [2024-10-13 13:20:33,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:33,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800117226] [2024-10-13 13:20:33,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:33,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:33,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:33,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:33,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:33,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800117226] [2024-10-13 13:20:33,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800117226] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:33,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187541596] [2024-10-13 13:20:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:33,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:33,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:33,774 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) [2024-10-13 13:20:33,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:20:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:33,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:33,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:33,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:33,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187541596] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:33,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:33,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-13 13:20:33,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367354320] [2024-10-13 13:20:33,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:33,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:20:33,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:20:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:20:33,910 INFO L87 Difference]: Start difference. First operand 450 states and 582 transitions. Second operand has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-10-13 13:20:34,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:34,210 INFO L93 Difference]: Finished difference Result 450 states and 582 transitions. [2024-10-13 13:20:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:20:34,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 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 62 [2024-10-13 13:20:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:34,212 INFO L225 Difference]: With dead ends: 450 [2024-10-13 13:20:34,212 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:20:34,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:20:34,212 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 149 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:34,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 364 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:34,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:20:34,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-10-13 13:20:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 404 states have (on average 1.353960396039604) internal successors, (547), 433 states have internal predecessors, (547), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:20:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 571 transitions. [2024-10-13 13:20:34,226 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 571 transitions. Word has length 62 [2024-10-13 13:20:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:34,226 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 571 transitions. [2024-10-13 13:20:34,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.5) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-10-13 13:20:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 571 transitions. [2024-10-13 13:20:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:20:34,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:34,227 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] [2024-10-13 13:20:34,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:20:34,431 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,SelfDestructingSolverStorable32 [2024-10-13 13:20:34,431 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -601082091, now seen corresponding path program 1 times [2024-10-13 13:20:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727336783] [2024-10-13 13:20:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:34,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713269007] [2024-10-13 13:20:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:34,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:34,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:34,442 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) [2024-10-13 13:20:34,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:20:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:34,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-13 13:20:34,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:34,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:34,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:34,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727336783] [2024-10-13 13:20:34,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:34,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713269007] [2024-10-13 13:20:34,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713269007] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:34,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:34,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-10-13 13:20:34,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537407421] [2024-10-13 13:20:34,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:34,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:20:34,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:34,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:20:34,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:20:34,949 INFO L87 Difference]: Start difference. First operand 448 states and 571 transitions. Second operand has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 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) [2024-10-13 13:20:35,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:35,578 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2024-10-13 13:20:35,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 13:20:35,578 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 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 62 [2024-10-13 13:20:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:35,579 INFO L225 Difference]: With dead ends: 559 [2024-10-13 13:20:35,579 INFO L226 Difference]: Without dead ends: 557 [2024-10-13 13:20:35,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-13 13:20:35,580 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 867 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:35,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 596 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:20:35,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-13 13:20:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 448. [2024-10-13 13:20:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 404 states have (on average 1.3366336633663367) internal successors, (540), 433 states have internal predecessors, (540), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:20:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 564 transitions. [2024-10-13 13:20:35,594 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 564 transitions. Word has length 62 [2024-10-13 13:20:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:35,594 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 564 transitions. [2024-10-13 13:20:35,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.933333333333334) internal successors, (104), 16 states have internal predecessors, (104), 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) [2024-10-13 13:20:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 564 transitions. [2024-10-13 13:20:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-13 13:20:35,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:35,595 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] [2024-10-13 13:20:35,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:35,795 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,SelfDestructingSolverStorable33 [2024-10-13 13:20:35,795 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:35,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:35,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1453675567, now seen corresponding path program 1 times [2024-10-13 13:20:35,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:35,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25799065] [2024-10-13 13:20:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:35,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:35,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483927051] [2024-10-13 13:20:35,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:35,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:35,807 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) [2024-10-13 13:20:35,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:20:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:35,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:20:35,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:35,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:36,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:36,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25799065] [2024-10-13 13:20:36,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:36,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483927051] [2024-10-13 13:20:36,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483927051] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:36,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:36,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-13 13:20:36,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170699675] [2024-10-13 13:20:36,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:36,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:20:36,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:36,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:20:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:20:36,473 INFO L87 Difference]: Start difference. First operand 448 states and 564 transitions. Second operand has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 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) [2024-10-13 13:20:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:38,170 INFO L93 Difference]: Finished difference Result 638 states and 802 transitions. [2024-10-13 13:20:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-13 13:20:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 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 63 [2024-10-13 13:20:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:38,171 INFO L225 Difference]: With dead ends: 638 [2024-10-13 13:20:38,171 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:20:38,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 13:20:38,172 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 361 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:38,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 473 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:20:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:20:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 527. [2024-10-13 13:20:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 481 states have (on average 1.3471933471933473) internal successors, (648), 510 states have internal predecessors, (648), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 13:20:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 676 transitions. [2024-10-13 13:20:38,195 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 676 transitions. Word has length 63 [2024-10-13 13:20:38,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:38,195 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 676 transitions. [2024-10-13 13:20:38,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 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) [2024-10-13 13:20:38,195 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 676 transitions. [2024-10-13 13:20:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 13:20:38,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:38,196 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] [2024-10-13 13:20:38,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:20:38,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:38,401 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:38,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2114269545, now seen corresponding path program 1 times [2024-10-13 13:20:38,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:38,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167706582] [2024-10-13 13:20:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:38,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:38,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814051213] [2024-10-13 13:20:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:38,411 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) [2024-10-13 13:20:38,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:20:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:38,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:20:38,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:38,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:38,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167706582] [2024-10-13 13:20:38,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814051213] [2024-10-13 13:20:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814051213] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:38,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:20:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143560685] [2024-10-13 13:20:38,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:38,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:20:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:20:38,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:20:38,700 INFO L87 Difference]: Start difference. First operand 527 states and 676 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-10-13 13:20:39,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:39,094 INFO L93 Difference]: Finished difference Result 543 states and 693 transitions. [2024-10-13 13:20:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:20:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 64 [2024-10-13 13:20:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:39,096 INFO L225 Difference]: With dead ends: 543 [2024-10-13 13:20:39,096 INFO L226 Difference]: Without dead ends: 539 [2024-10-13 13:20:39,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:20:39,096 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 262 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:39,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 353 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:39,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-10-13 13:20:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 521. [2024-10-13 13:20:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 479 states have (on average 1.3173277661795406) internal successors, (631), 504 states have internal predecessors, (631), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 13:20:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 659 transitions. [2024-10-13 13:20:39,120 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 659 transitions. Word has length 64 [2024-10-13 13:20:39,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:39,120 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 659 transitions. [2024-10-13 13:20:39,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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) [2024-10-13 13:20:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 659 transitions. [2024-10-13 13:20:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 13:20:39,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:39,121 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] [2024-10-13 13:20:39,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-13 13:20:39,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:39,321 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:39,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1117846381, now seen corresponding path program 1 times [2024-10-13 13:20:39,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:39,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682977544] [2024-10-13 13:20:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:39,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041292630] [2024-10-13 13:20:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:39,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:39,331 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) [2024-10-13 13:20:39,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:20:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:39,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:20:39,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:39,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682977544] [2024-10-13 13:20:39,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:39,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041292630] [2024-10-13 13:20:39,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041292630] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:39,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:39,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-10-13 13:20:39,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158812807] [2024-10-13 13:20:39,915 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:39,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 13:20:39,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:39,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 13:20:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:20:39,916 INFO L87 Difference]: Start difference. First operand 521 states and 659 transitions. Second operand has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 13:20:41,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:41,434 INFO L93 Difference]: Finished difference Result 624 states and 777 transitions. [2024-10-13 13:20:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-13 13:20:41,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 65 [2024-10-13 13:20:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:41,436 INFO L225 Difference]: With dead ends: 624 [2024-10-13 13:20:41,436 INFO L226 Difference]: Without dead ends: 622 [2024-10-13 13:20:41,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2024-10-13 13:20:41,437 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 488 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:41,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 488 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:20:41,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-13 13:20:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 523. [2024-10-13 13:20:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 481 states have (on average 1.3097713097713097) internal successors, (630), 506 states have internal predecessors, (630), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 13:20:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 658 transitions. [2024-10-13 13:20:41,454 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 658 transitions. Word has length 65 [2024-10-13 13:20:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:41,455 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 658 transitions. [2024-10-13 13:20:41,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.352941176470588) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-13 13:20:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 658 transitions. [2024-10-13 13:20:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-13 13:20:41,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:41,455 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] [2024-10-13 13:20:41,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:41,659 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,SelfDestructingSolverStorable36 [2024-10-13 13:20:41,660 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:41,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash 687793999, now seen corresponding path program 1 times [2024-10-13 13:20:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:41,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042319471] [2024-10-13 13:20:41,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:41,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:41,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042319471] [2024-10-13 13:20:41,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042319471] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:41,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373627941] [2024-10-13 13:20:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:41,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:41,717 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) [2024-10-13 13:20:41,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:20:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:41,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:41,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:41,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:41,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373627941] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:41,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:41,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-13 13:20:41,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622924869] [2024-10-13 13:20:41,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:41,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:20:41,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:41,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:20:41,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:20:41,909 INFO L87 Difference]: Start difference. First operand 523 states and 658 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 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) [2024-10-13 13:20:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:42,230 INFO L93 Difference]: Finished difference Result 572 states and 711 transitions. [2024-10-13 13:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:20:42,230 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 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 [2024-10-13 13:20:42,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:42,231 INFO L225 Difference]: With dead ends: 572 [2024-10-13 13:20:42,232 INFO L226 Difference]: Without dead ends: 570 [2024-10-13 13:20:42,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:20:42,232 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:42,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 252 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:42,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-13 13:20:42,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2024-10-13 13:20:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 508 states have (on average 1.2992125984251968) internal successors, (660), 533 states have internal predecessors, (660), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 13:20:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 688 transitions. [2024-10-13 13:20:42,250 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 688 transitions. Word has length 66 [2024-10-13 13:20:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:42,251 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 688 transitions. [2024-10-13 13:20:42,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 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) [2024-10-13 13:20:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 688 transitions. [2024-10-13 13:20:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-13 13:20:42,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:42,251 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] [2024-10-13 13:20:42,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:42,455 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,SelfDestructingSolverStorable37 [2024-10-13 13:20:42,455 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:42,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:42,456 INFO L85 PathProgramCache]: Analyzing trace with hash -153222425, now seen corresponding path program 1 times [2024-10-13 13:20:42,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281582678] [2024-10-13 13:20:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:42,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:42,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:42,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281582678] [2024-10-13 13:20:42,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281582678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:42,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:20:42,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:20:42,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347800850] [2024-10-13 13:20:42,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:42,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:20:42,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:42,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:20:42,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:20:42,500 INFO L87 Difference]: Start difference. First operand 550 states and 688 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:20:42,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:42,751 INFO L93 Difference]: Finished difference Result 795 states and 1008 transitions. [2024-10-13 13:20:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:20:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 67 [2024-10-13 13:20:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:42,753 INFO L225 Difference]: With dead ends: 795 [2024-10-13 13:20:42,753 INFO L226 Difference]: Without dead ends: 793 [2024-10-13 13:20:42,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:20:42,755 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 80 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:42,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 321 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-10-13 13:20:42,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 730. [2024-10-13 13:20:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 683 states have (on average 1.3001464128843339) internal successors, (888), 708 states have internal predecessors, (888), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:20:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 926 transitions. [2024-10-13 13:20:42,795 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 926 transitions. Word has length 67 [2024-10-13 13:20:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:42,795 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 926 transitions. [2024-10-13 13:20:42,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:20:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 926 transitions. [2024-10-13 13:20:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-13 13:20:42,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:42,796 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] [2024-10-13 13:20:42,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-13 13:20:42,796 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:42,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash -454927791, now seen corresponding path program 1 times [2024-10-13 13:20:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531080099] [2024-10-13 13:20:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:42,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531080099] [2024-10-13 13:20:42,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531080099] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602198304] [2024-10-13 13:20:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:42,912 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) [2024-10-13 13:20:42,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:20:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:42,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:20:42,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:43,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:20:43,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602198304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:20:43,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:43,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-13 13:20:43,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939313120] [2024-10-13 13:20:43,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:20:43,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:20:43,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:20:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:43,126 INFO L87 Difference]: Start difference. First operand 730 states and 926 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 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) [2024-10-13 13:20:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:43,350 INFO L93 Difference]: Finished difference Result 748 states and 942 transitions. [2024-10-13 13:20:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:20:43,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 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 68 [2024-10-13 13:20:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:43,352 INFO L225 Difference]: With dead ends: 748 [2024-10-13 13:20:43,352 INFO L226 Difference]: Without dead ends: 746 [2024-10-13 13:20:43,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:43,353 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 154 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:43,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 253 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:43,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-10-13 13:20:43,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 739. [2024-10-13 13:20:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 692 states have (on average 1.2947976878612717) internal successors, (896), 717 states have internal predecessors, (896), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:20:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 934 transitions. [2024-10-13 13:20:43,377 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 934 transitions. Word has length 68 [2024-10-13 13:20:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:43,377 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 934 transitions. [2024-10-13 13:20:43,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 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) [2024-10-13 13:20:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 934 transitions. [2024-10-13 13:20:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 13:20:43,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:43,378 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, 1, 1, 1] [2024-10-13 13:20:43,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-13 13:20:43,578 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,SelfDestructingSolverStorable39 [2024-10-13 13:20:43,578 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:43,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1735424739, now seen corresponding path program 1 times [2024-10-13 13:20:43,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:43,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498637679] [2024-10-13 13:20:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:43,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:43,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667963014] [2024-10-13 13:20:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:43,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:43,587 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) [2024-10-13 13:20:43,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:20:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:43,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:20:43,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:43,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:44,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498637679] [2024-10-13 13:20:44,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667963014] [2024-10-13 13:20:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667963014] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:44,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:20:44,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-13 13:20:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197865564] [2024-10-13 13:20:44,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:44,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:20:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:44,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:20:44,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:20:44,403 INFO L87 Difference]: Start difference. First operand 739 states and 934 transitions. Second operand has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 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) [2024-10-13 13:20:44,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:44,855 INFO L93 Difference]: Finished difference Result 751 states and 943 transitions. [2024-10-13 13:20:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:20:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 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 70 [2024-10-13 13:20:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:44,857 INFO L225 Difference]: With dead ends: 751 [2024-10-13 13:20:44,857 INFO L226 Difference]: Without dead ends: 749 [2024-10-13 13:20:44,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-10-13 13:20:44,858 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 199 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:44,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 389 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:20:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-10-13 13:20:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 739. [2024-10-13 13:20:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 692 states have (on average 1.2919075144508672) internal successors, (894), 717 states have internal predecessors, (894), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:20:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 932 transitions. [2024-10-13 13:20:44,882 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 932 transitions. Word has length 70 [2024-10-13 13:20:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:44,882 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 932 transitions. [2024-10-13 13:20:44,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.333333333333333) internal successors, (64), 13 states have internal predecessors, (64), 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) [2024-10-13 13:20:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 932 transitions. [2024-10-13 13:20:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 13:20:44,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:44,882 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] [2024-10-13 13:20:44,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:45,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:45,086 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)] === [2024-10-13 13:20:45,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:45,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2036408025, now seen corresponding path program 1 times [2024-10-13 13:20:45,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:45,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734373176] [2024-10-13 13:20:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:45,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:45,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457155600] [2024-10-13 13:20:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:45,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:45,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:45,104 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) [2024-10-13 13:20:45,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:20:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:45,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:20:45,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:45,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:20:45,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:45,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734373176] [2024-10-13 13:20:45,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:45,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457155600] [2024-10-13 13:20:45,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457155600] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:45,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:45,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-13 13:20:45,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437420899] [2024-10-13 13:20:45,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:45,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:20:45,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:20:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:20:45,536 INFO L87 Difference]: Start difference. First operand 739 states and 932 transitions. Second operand has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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) [2024-10-13 13:20:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:46,656 INFO L93 Difference]: Finished difference Result 821 states and 1034 transitions. [2024-10-13 13:20:46,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 13:20:46,656 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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 71 [2024-10-13 13:20:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:46,658 INFO L225 Difference]: With dead ends: 821 [2024-10-13 13:20:46,658 INFO L226 Difference]: Without dead ends: 819 [2024-10-13 13:20:46,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:20:46,659 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 314 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:46,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 292 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:20:46,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-10-13 13:20:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 729. [2024-10-13 13:20:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 682 states have (on average 1.2903225806451613) internal successors, (880), 707 states have internal predecessors, (880), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:20:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 918 transitions. [2024-10-13 13:20:46,684 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 918 transitions. Word has length 71 [2024-10-13 13:20:46,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:46,684 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 918 transitions. [2024-10-13 13:20:46,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.533333333333333) internal successors, (113), 16 states have internal predecessors, (113), 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) [2024-10-13 13:20:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 918 transitions. [2024-10-13 13:20:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-13 13:20:46,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:46,685 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] [2024-10-13 13:20:46,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-13 13:20:46,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:46,885 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)] === [2024-10-13 13:20:46,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1295860577, now seen corresponding path program 1 times [2024-10-13 13:20:46,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:46,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90943930] [2024-10-13 13:20:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:46,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:46,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:46,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:46,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:46,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90943930] [2024-10-13 13:20:46,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90943930] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:46,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323287473] [2024-10-13 13:20:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:46,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:46,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:46,987 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) [2024-10-13 13:20:46,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:20:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:20:47,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:47,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:20:47,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323287473] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:47,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:47,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-13 13:20:47,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101763422] [2024-10-13 13:20:47,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:47,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:20:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:20:47,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:47,308 INFO L87 Difference]: Start difference. First operand 729 states and 918 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:20:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:47,650 INFO L93 Difference]: Finished difference Result 834 states and 1040 transitions. [2024-10-13 13:20:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:20:47,650 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-10-13 13:20:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:47,652 INFO L225 Difference]: With dead ends: 834 [2024-10-13 13:20:47,652 INFO L226 Difference]: Without dead ends: 832 [2024-10-13 13:20:47,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:20:47,653 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 158 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:47,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 414 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:47,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-13 13:20:47,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 746. [2024-10-13 13:20:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 699 states have (on average 1.2775393419170242) internal successors, (893), 724 states have internal predecessors, (893), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:20:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 931 transitions. [2024-10-13 13:20:47,681 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 931 transitions. Word has length 72 [2024-10-13 13:20:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:47,681 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 931 transitions. [2024-10-13 13:20:47,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:20:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 931 transitions. [2024-10-13 13:20:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-13 13:20:47,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:47,681 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] [2024-10-13 13:20:47,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:47,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:47,882 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)] === [2024-10-13 13:20:47,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:47,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405738, now seen corresponding path program 1 times [2024-10-13 13:20:47,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:47,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963516440] [2024-10-13 13:20:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:20:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:47,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:47,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963516440] [2024-10-13 13:20:47,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963516440] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:47,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015588650] [2024-10-13 13:20:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:47,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:47,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:47,941 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) [2024-10-13 13:20:47,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:20:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:47,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:47,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:48,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:48,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015588650] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:48,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:48,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-13 13:20:48,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556772262] [2024-10-13 13:20:48,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:48,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:20:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:48,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:20:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:20:48,226 INFO L87 Difference]: Start difference. First operand 746 states and 931 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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) [2024-10-13 13:20:48,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:48,524 INFO L93 Difference]: Finished difference Result 1124 states and 1394 transitions. [2024-10-13 13:20:48,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:20:48,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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 78 [2024-10-13 13:20:48,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:48,527 INFO L225 Difference]: With dead ends: 1124 [2024-10-13 13:20:48,527 INFO L226 Difference]: Without dead ends: 1122 [2024-10-13 13:20:48,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:20:48,528 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1001 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:48,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 281 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:20:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-10-13 13:20:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 976. [2024-10-13 13:20:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 923 states have (on average 1.2654387865655472) internal successors, (1168), 947 states have internal predecessors, (1168), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 13:20:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1220 transitions. [2024-10-13 13:20:48,566 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1220 transitions. Word has length 78 [2024-10-13 13:20:48,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:48,566 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1220 transitions. [2024-10-13 13:20:48,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 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) [2024-10-13 13:20:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1220 transitions. [2024-10-13 13:20:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-13 13:20:48,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:48,567 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] [2024-10-13 13:20:48,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-13 13:20:48,767 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,SelfDestructingSolverStorable43 [2024-10-13 13:20:48,767 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)] === [2024-10-13 13:20:48,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:48,767 INFO L85 PathProgramCache]: Analyzing trace with hash 498464703, now seen corresponding path program 1 times [2024-10-13 13:20:48,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:48,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70586068] [2024-10-13 13:20:48,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:20:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70586068] [2024-10-13 13:20:48,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70586068] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835414256] [2024-10-13 13:20:48,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:48,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:48,820 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) [2024-10-13 13:20:48,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:20:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:48,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:20:48,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:48,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:49,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835414256] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:49,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:49,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 13:20:49,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802539533] [2024-10-13 13:20:49,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:49,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:20:49,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:20:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:20:49,090 INFO L87 Difference]: Start difference. First operand 976 states and 1220 transitions. Second operand has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 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) [2024-10-13 13:20:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:49,518 INFO L93 Difference]: Finished difference Result 1500 states and 1854 transitions. [2024-10-13 13:20:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:20:49,519 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 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 81 [2024-10-13 13:20:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:49,521 INFO L225 Difference]: With dead ends: 1500 [2024-10-13 13:20:49,522 INFO L226 Difference]: Without dead ends: 1499 [2024-10-13 13:20:49,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:20:49,522 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 370 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:49,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 440 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:20:49,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-10-13 13:20:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1267. [2024-10-13 13:20:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1205 states have (on average 1.262240663900415) internal successors, (1521), 1229 states have internal predecessors, (1521), 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) [2024-10-13 13:20:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1591 transitions. [2024-10-13 13:20:49,571 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1591 transitions. Word has length 81 [2024-10-13 13:20:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:49,571 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1591 transitions. [2024-10-13 13:20:49,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.555555555555557) internal successors, (158), 10 states have internal predecessors, (158), 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) [2024-10-13 13:20:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1591 transitions. [2024-10-13 13:20:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 13:20:49,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:49,572 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] [2024-10-13 13:20:49,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:49,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:49,772 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)] === [2024-10-13 13:20:49,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:49,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1738350956, now seen corresponding path program 1 times [2024-10-13 13:20:49,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:49,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649938712] [2024-10-13 13:20:49,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:49,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:20:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:49,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:49,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649938712] [2024-10-13 13:20:49,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649938712] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:49,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337367327] [2024-10-13 13:20:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:49,823 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) [2024-10-13 13:20:49,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-13 13:20:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:49,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:49,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:49,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:49,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337367327] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:49,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:49,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 13:20:49,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967812160] [2024-10-13 13:20:49,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:49,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:20:49,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:49,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:20:49,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:49,975 INFO L87 Difference]: Start difference. First operand 1267 states and 1591 transitions. Second operand has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 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) [2024-10-13 13:20:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:50,176 INFO L93 Difference]: Finished difference Result 1574 states and 1960 transitions. [2024-10-13 13:20:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:20:50,176 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 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 [2024-10-13 13:20:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:50,179 INFO L225 Difference]: With dead ends: 1574 [2024-10-13 13:20:50,179 INFO L226 Difference]: Without dead ends: 1573 [2024-10-13 13:20:50,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:50,180 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 87 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:50,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 548 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:50,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-10-13 13:20:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1516. [2024-10-13 13:20:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1449 states have (on average 1.2484472049689441) internal successors, (1809), 1473 states have internal predecessors, (1809), 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) [2024-10-13 13:20:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1889 transitions. [2024-10-13 13:20:50,237 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1889 transitions. Word has length 82 [2024-10-13 13:20:50,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:50,237 INFO L471 AbstractCegarLoop]: Abstraction has 1516 states and 1889 transitions. [2024-10-13 13:20:50,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 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) [2024-10-13 13:20:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1889 transitions. [2024-10-13 13:20:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:20:50,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:50,238 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] [2024-10-13 13:20:50,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:50,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:50,441 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)] === [2024-10-13 13:20:50,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:50,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1801960399, now seen corresponding path program 1 times [2024-10-13 13:20:50,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:50,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29219851] [2024-10-13 13:20:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:20:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:50,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:50,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29219851] [2024-10-13 13:20:50,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29219851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:50,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607304385] [2024-10-13 13:20:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:50,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:50,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:50,530 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) [2024-10-13 13:20:50,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-13 13:20:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:50,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:20:50,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:50,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:51,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607304385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:51,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:51,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-10-13 13:20:51,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002199759] [2024-10-13 13:20:51,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:51,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 13:20:51,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:51,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 13:20:51,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:20:51,001 INFO L87 Difference]: Start difference. First operand 1516 states and 1889 transitions. Second operand has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 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) [2024-10-13 13:20:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:51,611 INFO L93 Difference]: Finished difference Result 1599 states and 1972 transitions. [2024-10-13 13:20:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 13:20:51,611 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 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 85 [2024-10-13 13:20:51,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:51,614 INFO L225 Difference]: With dead ends: 1599 [2024-10-13 13:20:51,614 INFO L226 Difference]: Without dead ends: 1598 [2024-10-13 13:20:51,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 13:20:51,615 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 772 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:51,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 447 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:20:51,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2024-10-13 13:20:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1522. [2024-10-13 13:20:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1455 states have (on average 1.2446735395189004) internal successors, (1811), 1479 states have internal predecessors, (1811), 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) [2024-10-13 13:20:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1891 transitions. [2024-10-13 13:20:51,671 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1891 transitions. Word has length 85 [2024-10-13 13:20:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:51,671 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 1891 transitions. [2024-10-13 13:20:51,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.470588235294118) internal successors, (195), 18 states have internal predecessors, (195), 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) [2024-10-13 13:20:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1891 transitions. [2024-10-13 13:20:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-13 13:20:51,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:51,672 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] [2024-10-13 13:20:51,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:51,872 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,SelfDestructingSolverStorable46 [2024-10-13 13:20:51,872 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)] === [2024-10-13 13:20:51,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1903468058, now seen corresponding path program 1 times [2024-10-13 13:20:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151749188] [2024-10-13 13:20:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:51,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606672939] [2024-10-13 13:20:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:51,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:51,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:51,891 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) [2024-10-13 13:20:51,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-13 13:20:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:51,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:20:51,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:52,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:52,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:52,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151749188] [2024-10-13 13:20:52,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:52,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606672939] [2024-10-13 13:20:52,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606672939] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:52,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-13 13:20:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901390797] [2024-10-13 13:20:52,600 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:52,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:20:52,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:20:52,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:20:52,601 INFO L87 Difference]: Start difference. First operand 1522 states and 1891 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 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) [2024-10-13 13:20:54,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:54,586 INFO L93 Difference]: Finished difference Result 1535 states and 1898 transitions. [2024-10-13 13:20:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 13:20:54,586 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 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 86 [2024-10-13 13:20:54,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:54,589 INFO L225 Difference]: With dead ends: 1535 [2024-10-13 13:20:54,590 INFO L226 Difference]: Without dead ends: 1533 [2024-10-13 13:20:54,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-10-13 13:20:54,590 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 212 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:54,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 619 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 13:20:54,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2024-10-13 13:20:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1522. [2024-10-13 13:20:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1455 states have (on average 1.2412371134020619) internal successors, (1806), 1479 states have internal predecessors, (1806), 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) [2024-10-13 13:20:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1886 transitions. [2024-10-13 13:20:54,655 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1886 transitions. Word has length 86 [2024-10-13 13:20:54,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:54,655 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 1886 transitions. [2024-10-13 13:20:54,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 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) [2024-10-13 13:20:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1886 transitions. [2024-10-13 13:20:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:20:54,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:54,655 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] [2024-10-13 13:20:54,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-13 13:20:54,856 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,SelfDestructingSolverStorable47 [2024-10-13 13:20:54,856 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)] === [2024-10-13 13:20:54,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:54,856 INFO L85 PathProgramCache]: Analyzing trace with hash -812119277, now seen corresponding path program 1 times [2024-10-13 13:20:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:54,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431462092] [2024-10-13 13:20:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:20:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:20:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:20:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:20:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:54,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431462092] [2024-10-13 13:20:54,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431462092] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:20:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656171864] [2024-10-13 13:20:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:54,908 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) [2024-10-13 13:20:54,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-13 13:20:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:54,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:20:54,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:55,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:20:55,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656171864] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:55,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:20:55,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 13:20:55,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692241077] [2024-10-13 13:20:55,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:55,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:20:55,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:55,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:20:55,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:55,085 INFO L87 Difference]: Start difference. First operand 1522 states and 1886 transitions. Second operand has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 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) [2024-10-13 13:20:55,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:20:55,248 INFO L93 Difference]: Finished difference Result 2047 states and 2513 transitions. [2024-10-13 13:20:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:20:55,249 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 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 87 [2024-10-13 13:20:55,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:20:55,253 INFO L225 Difference]: With dead ends: 2047 [2024-10-13 13:20:55,253 INFO L226 Difference]: Without dead ends: 2046 [2024-10-13 13:20:55,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:20:55,254 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 304 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:20:55,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 823 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:20:55,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2024-10-13 13:20:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1837. [2024-10-13 13:20:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1761 states have (on average 1.246450880181715) internal successors, (2195), 1785 states have internal predecessors, (2195), 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) [2024-10-13 13:20:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2293 transitions. [2024-10-13 13:20:55,329 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2293 transitions. Word has length 87 [2024-10-13 13:20:55,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:20:55,329 INFO L471 AbstractCegarLoop]: Abstraction has 1837 states and 2293 transitions. [2024-10-13 13:20:55,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 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) [2024-10-13 13:20:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2293 transitions. [2024-10-13 13:20:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-13 13:20:55,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:20:55,329 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:20:55,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-13 13:20:55,530 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,SelfDestructingSolverStorable48 [2024-10-13 13:20:55,530 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:20:55,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:20:55,530 INFO L85 PathProgramCache]: Analyzing trace with hash 899994254, now seen corresponding path program 1 times [2024-10-13 13:20:55,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:20:55,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263305076] [2024-10-13 13:20:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:55,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:20:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:20:55,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1521348563] [2024-10-13 13:20:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:20:55,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:20:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:20:55,540 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) [2024-10-13 13:20:55,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-13 13:20:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:20:55,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 13:20:55,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:20:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:20:55,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:20:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:20:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:20:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263305076] [2024-10-13 13:20:57,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:20:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521348563] [2024-10-13 13:20:57,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521348563] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:20:57,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:20:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-10-13 13:20:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297904351] [2024-10-13 13:20:57,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:20:57,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-13 13:20:57,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:20:57,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-13 13:20:57,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:20:57,520 INFO L87 Difference]: Start difference. First operand 1837 states and 2293 transitions. Second operand has 23 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 23 states have internal predecessors, (148), 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) [2024-10-13 13:21:02,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:02,624 INFO L93 Difference]: Finished difference Result 2710 states and 3390 transitions. [2024-10-13 13:21:02,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-13 13:21:02,624 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 23 states have internal predecessors, (148), 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 89 [2024-10-13 13:21:02,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:02,628 INFO L225 Difference]: With dead ends: 2710 [2024-10-13 13:21:02,628 INFO L226 Difference]: Without dead ends: 2076 [2024-10-13 13:21:02,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=693, Invalid=2847, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 13:21:02,630 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 805 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:02,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 420 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-13 13:21:02,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2024-10-13 13:21:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2015. [2024-10-13 13:21:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2015 states, 1933 states have (on average 1.25504397309881) internal successors, (2426), 1957 states have internal predecessors, (2426), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-13 13:21:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2536 transitions. [2024-10-13 13:21:02,709 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2536 transitions. Word has length 89 [2024-10-13 13:21:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:02,710 INFO L471 AbstractCegarLoop]: Abstraction has 2015 states and 2536 transitions. [2024-10-13 13:21:02,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 23 states have internal predecessors, (148), 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) [2024-10-13 13:21:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2536 transitions. [2024-10-13 13:21:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 13:21:02,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:02,711 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:02,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:02,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-13 13:21:02,912 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:02,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:02,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1807813962, now seen corresponding path program 1 times [2024-10-13 13:21:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:02,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242744495] [2024-10-13 13:21:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:02,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92197815] [2024-10-13 13:21:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:02,924 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) [2024-10-13 13:21:02,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-13 13:21:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:02,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-13 13:21:02,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:03,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:04,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:04,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242744495] [2024-10-13 13:21:04,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:04,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92197815] [2024-10-13 13:21:04,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92197815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:04,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:21:04,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-13 13:21:04,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649447428] [2024-10-13 13:21:04,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:04,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:21:04,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:04,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:21:04,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:21:04,181 INFO L87 Difference]: Start difference. First operand 2015 states and 2536 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:21:04,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:04,806 INFO L93 Difference]: Finished difference Result 2152 states and 2704 transitions. [2024-10-13 13:21:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 13:21:04,807 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 93 [2024-10-13 13:21:04,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:04,811 INFO L225 Difference]: With dead ends: 2152 [2024-10-13 13:21:04,811 INFO L226 Difference]: Without dead ends: 2148 [2024-10-13 13:21:04,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:21:04,814 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 193 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:04,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 587 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-10-13 13:21:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2102. [2024-10-13 13:21:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2102 states, 2017 states have (on average 1.2563212692117005) internal successors, (2534), 2041 states have internal predecessors, (2534), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 13:21:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2650 transitions. [2024-10-13 13:21:04,909 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2650 transitions. Word has length 93 [2024-10-13 13:21:04,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:04,910 INFO L471 AbstractCegarLoop]: Abstraction has 2102 states and 2650 transitions. [2024-10-13 13:21:04,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:21:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2650 transitions. [2024-10-13 13:21:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-13 13:21:04,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:04,910 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] [2024-10-13 13:21:04,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-13 13:21:05,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:05,115 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:05,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1298429678, now seen corresponding path program 1 times [2024-10-13 13:21:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555950384] [2024-10-13 13:21:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:05,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575162472] [2024-10-13 13:21:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:05,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:05,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:05,128 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) [2024-10-13 13:21:05,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-13 13:21:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:05,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 13:21:05,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:05,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:07,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:07,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555950384] [2024-10-13 13:21:07,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:07,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575162472] [2024-10-13 13:21:07,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575162472] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:07,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:21:07,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2024-10-13 13:21:07,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579436705] [2024-10-13 13:21:07,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:07,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-13 13:21:07,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:07,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-13 13:21:07,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-10-13 13:21:07,812 INFO L87 Difference]: Start difference. First operand 2102 states and 2650 transitions. Second operand has 26 states, 25 states have (on average 6.28) internal successors, (157), 26 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-13 13:21:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:11,069 INFO L93 Difference]: Finished difference Result 2120 states and 2668 transitions. [2024-10-13 13:21:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-13 13:21:11,070 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.28) internal successors, (157), 26 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 94 [2024-10-13 13:21:11,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:11,073 INFO L225 Difference]: With dead ends: 2120 [2024-10-13 13:21:11,073 INFO L226 Difference]: Without dead ends: 2119 [2024-10-13 13:21:11,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=406, Invalid=1756, Unknown=0, NotChecked=0, Total=2162 [2024-10-13 13:21:11,074 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 507 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:11,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 436 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 13:21:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2024-10-13 13:21:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2086. [2024-10-13 13:21:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 2001 states have (on average 1.2573713143428287) internal successors, (2516), 2025 states have internal predecessors, (2516), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 13:21:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2632 transitions. [2024-10-13 13:21:11,166 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2632 transitions. Word has length 94 [2024-10-13 13:21:11,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:11,168 INFO L471 AbstractCegarLoop]: Abstraction has 2086 states and 2632 transitions. [2024-10-13 13:21:11,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.28) internal successors, (157), 26 states have internal predecessors, (157), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-13 13:21:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2632 transitions. [2024-10-13 13:21:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 13:21:11,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:11,169 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] [2024-10-13 13:21:11,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-10-13 13:21:11,369 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,SelfDestructingSolverStorable51 [2024-10-13 13:21:11,370 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:11,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:11,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2115616630, now seen corresponding path program 1 times [2024-10-13 13:21:11,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:11,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892163792] [2024-10-13 13:21:11,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:11,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:21:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892163792] [2024-10-13 13:21:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892163792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271274889] [2024-10-13 13:21:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:11,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:11,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:11,496 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) [2024-10-13 13:21:11,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-13 13:21:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:11,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:21:11,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:11,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:11,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271274889] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:11,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-10-13 13:21:11,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318311986] [2024-10-13 13:21:11,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:11,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-13 13:21:11,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:11,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-13 13:21:11,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:21:11,925 INFO L87 Difference]: Start difference. First operand 2086 states and 2632 transitions. Second operand has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 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) [2024-10-13 13:21:12,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:12,821 INFO L93 Difference]: Finished difference Result 2120 states and 2667 transitions. [2024-10-13 13:21:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 13:21:12,821 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 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 95 [2024-10-13 13:21:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:12,824 INFO L225 Difference]: With dead ends: 2120 [2024-10-13 13:21:12,825 INFO L226 Difference]: Without dead ends: 2119 [2024-10-13 13:21:12,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1319, Unknown=0, NotChecked=0, Total=1560 [2024-10-13 13:21:12,825 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 177 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:12,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 851 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:21:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2024-10-13 13:21:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2107. [2024-10-13 13:21:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 2022 states have (on average 1.2546983184965381) internal successors, (2537), 2046 states have internal predecessors, (2537), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 13:21:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2653 transitions. [2024-10-13 13:21:12,919 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2653 transitions. Word has length 95 [2024-10-13 13:21:12,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:12,919 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 2653 transitions. [2024-10-13 13:21:12,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.045454545454545) internal successors, (221), 23 states have internal predecessors, (221), 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) [2024-10-13 13:21:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2653 transitions. [2024-10-13 13:21:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-13 13:21:12,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:12,920 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] [2024-10-13 13:21:12,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:13,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-10-13 13:21:13,120 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:13,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:13,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2078295400, now seen corresponding path program 1 times [2024-10-13 13:21:13,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:13,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112000300] [2024-10-13 13:21:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:13,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:21:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:13,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:13,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112000300] [2024-10-13 13:21:13,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112000300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:13,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042953314] [2024-10-13 13:21:13,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:13,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:13,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:13,229 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) [2024-10-13 13:21:13,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-13 13:21:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:13,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:21:13,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:13,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042953314] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:13,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:13,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-10-13 13:21:13,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106521525] [2024-10-13 13:21:13,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:13,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:21:13,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:13,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:21:13,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:21:13,496 INFO L87 Difference]: Start difference. First operand 2107 states and 2653 transitions. Second operand has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 8 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-13 13:21:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:13,884 INFO L93 Difference]: Finished difference Result 2564 states and 3240 transitions. [2024-10-13 13:21:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:21:13,884 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 8 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 96 [2024-10-13 13:21:13,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:13,886 INFO L225 Difference]: With dead ends: 2564 [2024-10-13 13:21:13,886 INFO L226 Difference]: Without dead ends: 1059 [2024-10-13 13:21:13,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:21:13,887 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 425 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:13,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 504 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:21:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-10-13 13:21:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1036. [2024-10-13 13:21:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 981 states have (on average 1.2507645259938838) internal successors, (1227), 1005 states have internal predecessors, (1227), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 13:21:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1283 transitions. [2024-10-13 13:21:13,938 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1283 transitions. Word has length 96 [2024-10-13 13:21:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:13,938 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1283 transitions. [2024-10-13 13:21:13,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.133333333333333) internal successors, (167), 15 states have internal predecessors, (167), 8 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-13 13:21:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1283 transitions. [2024-10-13 13:21:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-13 13:21:13,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:13,939 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] [2024-10-13 13:21:13,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:14,139 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,SelfDestructingSolverStorable53 [2024-10-13 13:21:14,140 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:14,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:14,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1159605914, now seen corresponding path program 1 times [2024-10-13 13:21:14,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:14,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590805233] [2024-10-13 13:21:14,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:14,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 13:21:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-13 13:21:14,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:14,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590805233] [2024-10-13 13:21:14,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590805233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:14,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:14,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:14,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793882152] [2024-10-13 13:21:14,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:14,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:14,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:14,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:14,182 INFO L87 Difference]: Start difference. First operand 1036 states and 1283 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-13 13:21:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:14,308 INFO L93 Difference]: Finished difference Result 1039 states and 1284 transitions. [2024-10-13 13:21:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:14,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-10-13 13:21:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:14,309 INFO L225 Difference]: With dead ends: 1039 [2024-10-13 13:21:14,309 INFO L226 Difference]: Without dead ends: 1016 [2024-10-13 13:21:14,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:14,310 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 20 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:14,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 170 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:21:14,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-10-13 13:21:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1015. [2024-10-13 13:21:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 960 states have (on average 1.2541666666666667) internal successors, (1204), 984 states have internal predecessors, (1204), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 13:21:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1260 transitions. [2024-10-13 13:21:14,362 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1260 transitions. Word has length 96 [2024-10-13 13:21:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:14,362 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1260 transitions. [2024-10-13 13:21:14,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-13 13:21:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1260 transitions. [2024-10-13 13:21:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-13 13:21:14,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:14,363 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:14,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-13 13:21:14,363 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:14,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:14,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1587584718, now seen corresponding path program 1 times [2024-10-13 13:21:14,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:14,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534826677] [2024-10-13 13:21:14,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:14,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945653996] [2024-10-13 13:21:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:14,376 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) [2024-10-13 13:21:14,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-13 13:21:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:14,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:21:14,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:14,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:15,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:15,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534826677] [2024-10-13 13:21:15,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:15,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945653996] [2024-10-13 13:21:15,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945653996] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:15,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:21:15,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-10-13 13:21:15,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040334628] [2024-10-13 13:21:15,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:15,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:21:15,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:15,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:21:15,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:21:15,231 INFO L87 Difference]: Start difference. First operand 1015 states and 1260 transitions. Second operand has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-13 13:21:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:16,417 INFO L93 Difference]: Finished difference Result 1231 states and 1524 transitions. [2024-10-13 13:21:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 13:21:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 97 [2024-10-13 13:21:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:16,419 INFO L225 Difference]: With dead ends: 1231 [2024-10-13 13:21:16,419 INFO L226 Difference]: Without dead ends: 1227 [2024-10-13 13:21:16,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=247, Invalid=943, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 13:21:16,420 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 754 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:16,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 514 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:21:16,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2024-10-13 13:21:16,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1114. [2024-10-13 13:21:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1055 states have (on average 1.2464454976303319) internal successors, (1315), 1079 states have internal predecessors, (1315), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 13:21:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1379 transitions. [2024-10-13 13:21:16,473 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1379 transitions. Word has length 97 [2024-10-13 13:21:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:16,473 INFO L471 AbstractCegarLoop]: Abstraction has 1114 states and 1379 transitions. [2024-10-13 13:21:16,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.055555555555555) internal successors, (163), 19 states have internal predecessors, (163), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-13 13:21:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1379 transitions. [2024-10-13 13:21:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:21:16,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:16,473 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, 1, 1] [2024-10-13 13:21:16,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:16,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:16,674 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:16,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:16,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1820908924, now seen corresponding path program 1 times [2024-10-13 13:21:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:16,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172003939] [2024-10-13 13:21:16,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:16,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172003939] [2024-10-13 13:21:16,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172003939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980276973] [2024-10-13 13:21:16,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:16,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:16,733 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) [2024-10-13 13:21:16,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-13 13:21:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:16,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:21:16,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:16,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:16,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980276973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:16,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:21:16,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-13 13:21:16,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542507642] [2024-10-13 13:21:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:16,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:21:16,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:21:16,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:21:16,857 INFO L87 Difference]: Start difference. First operand 1114 states and 1379 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-10-13 13:21:17,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:17,030 INFO L93 Difference]: Finished difference Result 1115 states and 1379 transitions. [2024-10-13 13:21:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:21:17,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 99 [2024-10-13 13:21:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:17,031 INFO L225 Difference]: With dead ends: 1115 [2024-10-13 13:21:17,031 INFO L226 Difference]: Without dead ends: 1114 [2024-10-13 13:21:17,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:21:17,032 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 86 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:17,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 265 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:21:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-10-13 13:21:17,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1113. [2024-10-13 13:21:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1055 states have (on average 1.2454976303317535) internal successors, (1314), 1078 states have internal predecessors, (1314), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 13:21:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1378 transitions. [2024-10-13 13:21:17,080 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1378 transitions. Word has length 99 [2024-10-13 13:21:17,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:17,080 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1378 transitions. [2024-10-13 13:21:17,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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) [2024-10-13 13:21:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1378 transitions. [2024-10-13 13:21:17,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 13:21:17,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:17,081 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, 1, 1, 1] [2024-10-13 13:21:17,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:17,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:17,282 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:17,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:17,282 INFO L85 PathProgramCache]: Analyzing trace with hash 613601972, now seen corresponding path program 1 times [2024-10-13 13:21:17,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:17,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017131293] [2024-10-13 13:21:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:17,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260585545] [2024-10-13 13:21:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:17,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:17,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:17,292 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:17,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-13 13:21:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:17,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 13:21:17,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:17,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:20,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:20,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017131293] [2024-10-13 13:21:20,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:20,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260585545] [2024-10-13 13:21:20,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260585545] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:20,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:21:20,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2024-10-13 13:21:20,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18736517] [2024-10-13 13:21:20,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:20,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-13 13:21:20,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:20,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-13 13:21:20,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-10-13 13:21:20,708 INFO L87 Difference]: Start difference. First operand 1113 states and 1378 transitions. Second operand has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 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) [2024-10-13 13:21:23,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:23,684 INFO L93 Difference]: Finished difference Result 1127 states and 1393 transitions. [2024-10-13 13:21:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-13 13:21:23,684 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 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 100 [2024-10-13 13:21:23,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:23,686 INFO L225 Difference]: With dead ends: 1127 [2024-10-13 13:21:23,686 INFO L226 Difference]: Without dead ends: 1100 [2024-10-13 13:21:23,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=378, Invalid=954, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 13:21:23,686 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 165 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:23,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 304 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 13:21:23,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-10-13 13:21:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2024-10-13 13:21:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1042 states have (on average 1.2476007677543186) internal successors, (1300), 1065 states have internal predecessors, (1300), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 13:21:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1364 transitions. [2024-10-13 13:21:23,742 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1364 transitions. Word has length 100 [2024-10-13 13:21:23,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:23,742 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1364 transitions. [2024-10-13 13:21:23,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.708333333333333) internal successors, (161), 25 states have internal predecessors, (161), 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) [2024-10-13 13:21:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1364 transitions. [2024-10-13 13:21:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-13 13:21:23,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:23,743 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:23,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:23,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-10-13 13:21:23,943 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:23,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1064445514, now seen corresponding path program 1 times [2024-10-13 13:21:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:23,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953513512] [2024-10-13 13:21:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:24,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:24,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953513512] [2024-10-13 13:21:24,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953513512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:24,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561608074] [2024-10-13 13:21:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:24,045 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:24,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-13 13:21:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:24,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:21:24,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:24,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:24,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561608074] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:24,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:24,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-10-13 13:21:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628828121] [2024-10-13 13:21:24,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:24,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 13:21:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 13:21:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:21:24,596 INFO L87 Difference]: Start difference. First operand 1100 states and 1364 transitions. Second operand has 20 states, 19 states have (on average 13.526315789473685) internal successors, (257), 20 states have internal predecessors, (257), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2024-10-13 13:21:25,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:25,185 INFO L93 Difference]: Finished difference Result 1136 states and 1396 transitions. [2024-10-13 13:21:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 13:21:25,186 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 13.526315789473685) internal successors, (257), 20 states have internal predecessors, (257), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) Word has length 103 [2024-10-13 13:21:25,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:25,187 INFO L225 Difference]: With dead ends: 1136 [2024-10-13 13:21:25,187 INFO L226 Difference]: Without dead ends: 1131 [2024-10-13 13:21:25,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=291, Invalid=831, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 13:21:25,187 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 476 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:25,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 521 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-10-13 13:21:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 991. [2024-10-13 13:21:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 940 states have (on average 1.195744680851064) internal successors, (1124), 960 states have internal predecessors, (1124), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 13:21:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1180 transitions. [2024-10-13 13:21:25,233 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1180 transitions. Word has length 103 [2024-10-13 13:21:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:25,233 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1180 transitions. [2024-10-13 13:21:25,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 13.526315789473685) internal successors, (257), 20 states have internal predecessors, (257), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2024-10-13 13:21:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1180 transitions. [2024-10-13 13:21:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:21:25,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:25,234 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:25,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:25,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-10-13 13:21:25,434 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:25,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:25,435 INFO L85 PathProgramCache]: Analyzing trace with hash 729925260, now seen corresponding path program 1 times [2024-10-13 13:21:25,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:25,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054281289] [2024-10-13 13:21:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:25,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054281289] [2024-10-13 13:21:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054281289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273694062] [2024-10-13 13:21:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:25,493 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:25,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-13 13:21:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:25,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:21:25,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:25,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:21:25,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273694062] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:25,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:25,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-13 13:21:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324810817] [2024-10-13 13:21:25,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:25,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:21:25,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:25,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:21:25,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:21:25,872 INFO L87 Difference]: Start difference. First operand 991 states and 1180 transitions. Second operand has 15 states, 14 states have (on average 16.285714285714285) internal successors, (228), 15 states have internal predecessors, (228), 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) [2024-10-13 13:21:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:26,304 INFO L93 Difference]: Finished difference Result 1164 states and 1364 transitions. [2024-10-13 13:21:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:21:26,304 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 16.285714285714285) internal successors, (228), 15 states have internal predecessors, (228), 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 105 [2024-10-13 13:21:26,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:26,305 INFO L225 Difference]: With dead ends: 1164 [2024-10-13 13:21:26,305 INFO L226 Difference]: Without dead ends: 679 [2024-10-13 13:21:26,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-10-13 13:21:26,307 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 354 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:26,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 503 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:21:26,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-10-13 13:21:26,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 649. [2024-10-13 13:21:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 610 states have (on average 1.178688524590164) internal successors, (719), 628 states have internal predecessors, (719), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 13:21:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 755 transitions. [2024-10-13 13:21:26,342 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 755 transitions. Word has length 105 [2024-10-13 13:21:26,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:26,342 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 755 transitions. [2024-10-13 13:21:26,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 16.285714285714285) internal successors, (228), 15 states have internal predecessors, (228), 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) [2024-10-13 13:21:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 755 transitions. [2024-10-13 13:21:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:21:26,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:26,343 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:26,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-10-13 13:21:26,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-10-13 13:21:26,544 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:26,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:26,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1257976168, now seen corresponding path program 2 times [2024-10-13 13:21:26,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:26,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025006401] [2024-10-13 13:21:26,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:26,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:26,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:26,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:26,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:26,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025006401] [2024-10-13 13:21:26,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025006401] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:26,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307795550] [2024-10-13 13:21:26,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:21:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:26,655 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:26,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-10-13 13:21:26,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:21:26,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:21:26,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:21:26,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 24 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:26,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 24 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:21:27,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307795550] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:27,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:27,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-13 13:21:27,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888382046] [2024-10-13 13:21:27,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:27,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:21:27,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:27,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:21:27,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:21:27,094 INFO L87 Difference]: Start difference. First operand 649 states and 755 transitions. Second operand has 19 states, 18 states have (on average 12.0) internal successors, (216), 19 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 13:21:27,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:27,503 INFO L93 Difference]: Finished difference Result 649 states and 755 transitions. [2024-10-13 13:21:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:21:27,504 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.0) internal successors, (216), 19 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) Word has length 107 [2024-10-13 13:21:27,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:27,505 INFO L225 Difference]: With dead ends: 649 [2024-10-13 13:21:27,505 INFO L226 Difference]: Without dead ends: 647 [2024-10-13 13:21:27,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 208 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=603, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:21:27,505 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 272 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:27,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 599 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:21:27,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-13 13:21:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 625. [2024-10-13 13:21:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 588 states have (on average 1.1666666666666667) internal successors, (686), 604 states have internal predecessors, (686), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 13:21:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 722 transitions. [2024-10-13 13:21:27,534 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 722 transitions. Word has length 107 [2024-10-13 13:21:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:27,534 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 722 transitions. [2024-10-13 13:21:27,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.0) internal successors, (216), 19 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 8 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 13:21:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 722 transitions. [2024-10-13 13:21:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-13 13:21:27,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:27,535 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 13:21:27,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:27,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:27,735 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:27,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash -74232489, now seen corresponding path program 1 times [2024-10-13 13:21:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895624522] [2024-10-13 13:21:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:27,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113614529] [2024-10-13 13:21:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:27,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:27,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:27,746 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:27,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-13 13:21:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:27,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:21:27,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-13 13:21:27,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:27,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:27,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895624522] [2024-10-13 13:21:27,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:27,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113614529] [2024-10-13 13:21:27,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113614529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:27,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:27,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 13:21:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629003762] [2024-10-13 13:21:27,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:27,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:21:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:27,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:21:27,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:21:27,952 INFO L87 Difference]: Start difference. First operand 625 states and 722 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 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) [2024-10-13 13:21:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:28,335 INFO L93 Difference]: Finished difference Result 626 states and 722 transitions. [2024-10-13 13:21:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:21:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 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 118 [2024-10-13 13:21:28,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:28,336 INFO L225 Difference]: With dead ends: 626 [2024-10-13 13:21:28,336 INFO L226 Difference]: Without dead ends: 557 [2024-10-13 13:21:28,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:21:28,337 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:28,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 193 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:21:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-13 13:21:28,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2024-10-13 13:21:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 522 states have (on average 1.185823754789272) internal successors, (619), 538 states have internal predecessors, (619), 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) [2024-10-13 13:21:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 651 transitions. [2024-10-13 13:21:28,365 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 651 transitions. Word has length 118 [2024-10-13 13:21:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:28,365 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 651 transitions. [2024-10-13 13:21:28,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 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) [2024-10-13 13:21:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 651 transitions. [2024-10-13 13:21:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 13:21:28,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:28,366 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:28,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-10-13 13:21:28,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:28,567 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:28,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:28,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1124290319, now seen corresponding path program 2 times [2024-10-13 13:21:28,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:28,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528120174] [2024-10-13 13:21:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:21:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 60 proven. 57 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:21:28,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:28,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528120174] [2024-10-13 13:21:28,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528120174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:28,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141130038] [2024-10-13 13:21:28,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:21:28,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:28,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:28,737 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:28,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-10-13 13:21:28,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:21:28,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:21:28,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:21:28,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:29,146 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:21:29,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 13:21:29,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141130038] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:29,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:29,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 29 [2024-10-13 13:21:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840036083] [2024-10-13 13:21:29,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:29,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-13 13:21:29,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:29,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-13 13:21:29,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:21:29,500 INFO L87 Difference]: Start difference. First operand 557 states and 651 transitions. Second operand has 29 states, 29 states have (on average 10.241379310344827) internal successors, (297), 29 states have internal predecessors, (297), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 13 states have call predecessors, (14), 11 states have call successors, (14) [2024-10-13 13:21:29,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:29,870 INFO L93 Difference]: Finished difference Result 562 states and 654 transitions. [2024-10-13 13:21:29,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:21:29,870 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.241379310344827) internal successors, (297), 29 states have internal predecessors, (297), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 13 states have call predecessors, (14), 11 states have call successors, (14) Word has length 132 [2024-10-13 13:21:29,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:29,871 INFO L225 Difference]: With dead ends: 562 [2024-10-13 13:21:29,871 INFO L226 Difference]: Without dead ends: 124 [2024-10-13 13:21:29,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=1190, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 13:21:29,871 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 108 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:29,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 473 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:21:29,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-13 13:21:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-10-13 13:21:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 116 states have (on average 1.0) internal successors, (116), 116 states have internal predecessors, (116), 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) [2024-10-13 13:21:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-10-13 13:21:29,883 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 132 [2024-10-13 13:21:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:29,883 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-10-13 13:21:29,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.241379310344827) internal successors, (297), 29 states have internal predecessors, (297), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 13 states have call predecessors, (14), 11 states have call successors, (14) [2024-10-13 13:21:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-10-13 13:21:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 13:21:29,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:29,884 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-13 13:21:29,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:30,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:30,084 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:21:30,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1272847251, now seen corresponding path program 1 times [2024-10-13 13:21:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:30,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334119566] [2024-10-13 13:21:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:30,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:21:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 13:21:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 13:21:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 13:21:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:21:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:21:30,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:30,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334119566] [2024-10-13 13:21:30,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334119566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:30,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534428688] [2024-10-13 13:21:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:30,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:30,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:30,156 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:30,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-10-13 13:21:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:30,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:21:30,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:21:30,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:21:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:21:30,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534428688] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:21:30,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:21:30,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-13 13:21:30,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855430510] [2024-10-13 13:21:30,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:21:30,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:21:30,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:21:30,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:21:30,369 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 14 states, 13 states have (on average 19.307692307692307) internal successors, (251), 14 states have internal predecessors, (251), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-13 13:21:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:30,396 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-10-13 13:21:30,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:21:30,396 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 19.307692307692307) internal successors, (251), 14 states have internal predecessors, (251), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 135 [2024-10-13 13:21:30,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:30,397 INFO L225 Difference]: With dead ends: 124 [2024-10-13 13:21:30,397 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:21:30,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:21:30,397 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:30,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:21:30,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:21:30,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:21:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:21:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:21:30,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2024-10-13 13:21:30,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:30,398 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:21:30,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 19.307692307692307) internal successors, (251), 14 states have internal predecessors, (251), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-13 13:21:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:21:30,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-10-13 13:21:30,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-10-13 13:21:30,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-10-13 13:21:30,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-10-13 13:21:30,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-10-13 13:21:30,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-10-13 13:21:30,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-10-13 13:21:30,609 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:30,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:21:32,380 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:21:32,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:21:32 BoogieIcfgContainer [2024-10-13 13:21:32,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:21:32,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:21:32,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:21:32,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:21:32,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:15" (3/4) ... [2024-10-13 13:21:32,399 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 13:21:32,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 13:21:32,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 13:21:32,408 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-13 13:21:32,409 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 13:21:32,409 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 13:21:32,409 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 13:21:32,483 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:21:32,484 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 13:21:32,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:21:32,485 INFO L158 Benchmark]: Toolchain (without parser) took 77433.86ms. Allocated memory was 148.9MB in the beginning and 274.7MB in the end (delta: 125.8MB). Free memory was 91.9MB in the beginning and 126.3MB in the end (delta: -34.4MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,485 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 148.9MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:21:32,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.33ms. Allocated memory is still 148.9MB. Free memory was 91.9MB in the beginning and 79.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.12ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,485 INFO L158 Benchmark]: Boogie Preprocessor took 33.00ms. Allocated memory is still 148.9MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,485 INFO L158 Benchmark]: RCFGBuilder took 513.39ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 52.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,486 INFO L158 Benchmark]: TraceAbstraction took 76568.93ms. Allocated memory was 148.9MB in the beginning and 274.7MB in the end (delta: 125.8MB). Free memory was 51.4MB in the beginning and 132.6MB in the end (delta: -81.2MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,486 INFO L158 Benchmark]: Witness Printer took 86.79ms. Allocated memory is still 274.7MB. Free memory was 132.6MB in the beginning and 126.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 13:21:32,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 148.9MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.33ms. Allocated memory is still 148.9MB. Free memory was 91.9MB in the beginning and 79.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.12ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.00ms. Allocated memory is still 148.9MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.39ms. Allocated memory is still 148.9MB. Free memory was 75.9MB in the beginning and 52.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 76568.93ms. Allocated memory was 148.9MB in the beginning and 274.7MB in the end (delta: 125.8MB). Free memory was 51.4MB in the beginning and 132.6MB in the end (delta: -81.2MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * Witness Printer took 86.79ms. Allocated memory is still 274.7MB. Free memory was 132.6MB in the beginning and 126.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 136 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 74.7s, OverallIterations: 64, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 36.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16724 SdHoareTripleChecker+Valid, 26.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16688 mSDsluCounter, 21158 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16481 mSDsCounter, 696 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33483 IncrementalHoareTripleChecker+Invalid, 34179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 696 mSolverCounterUnsat, 4677 mSDtfsCounter, 33483 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6526 GetRequests, 5569 SyntacticMatches, 10 SemanticMatches, 947 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4994 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2107occurred in iteration=53, InterpolantAutomatonStates: 773, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 64 MinimizatonAttempts, 2858 StatesRemovedByMinimization, 50 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.5s InterpolantComputationTime, 7279 NumberOfCodeBlocks, 7279 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 7797 ConstructedInterpolants, 18 QuantifiedInterpolants, 57746 SizeOfPredicates, 112 NumberOfNonLiveVariables, 6179 ConjunctsInSsa, 504 ConjunctsInUnsatCore, 111 InterpolantComputations, 31 PerfectInterpolantSequences, 1135/3335 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 58 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((Y <= 1) && (0 <= Y)) && (y == 0)) && (((long long) 2 * Y) == ((__int128) X + v))) && (0 <= X)) && (x == 0)) && (((long long) 2 * Y) <= ((__int128) v + 1))) || (((((((((((Y <= 1) && (xy == 0)) && (((long long) Y * 4) == ((__int128) v + ((long long) 3 * X)))) && (X <= 1)) && (0 <= yx)) && (x == 1)) && (y == 1)) && (yx <= 1)) && (X <= ((long long) 2 * Y))) && (0 <= X)) && (((yx >= 0) ? (yx % 2) : ((yx % 2) + 2)) == 0))) || (((((((((xy == 0) && (((__int128) v + 1) == 0)) && (0 <= yx)) && (x == 1)) && (y == 0)) && (Y == 0)) && (yx <= 1)) && (X == 1)) && (((yx >= 0) ? (yx % 2) : ((yx % 2) + 2)) == 0))) || ((((((((2 == x) && (xy == 0)) && (((__int128) v + 1) == 0)) && (y == 0)) && (Y == 0)) && (X == 1)) && (0 <= ((__int128) 4611686018427387903 + yx))) && (yx <= 4611686018427387903))) || ((((((((2 == x) && (yx == 1)) && (y <= 2)) && (1 <= y)) && (v == 1)) && (xy == 1)) && (Y == 1)) && (X == 1))) - ProcedureContractResult [Line: 10]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-13 13:21:32,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE