./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:35:45,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:35:45,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:35:45,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:35:45,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:35:45,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:35:45,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:35:45,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:35:45,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:35:45,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:35:45,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:35:45,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:35:45,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:35:45,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:35:45,520 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:35:45,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:35:45,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:35:45,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:35:45,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:35:45,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:35:45,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:35:45,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:35:45,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:35:45,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:35:45,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:35:45,524 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:35:45,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:35:45,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:35:45,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:35:45,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:35:45,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:35:45,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:35:45,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:35:45,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:35:45,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:35:45,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:35:45,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:35:45,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:35:45,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:35:45,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:35:45,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:35:45,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:35:45,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:35:45,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:35:45,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2024-11-09 11:35:45,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:35:45,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:35:45,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:35:45,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:35:45,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:35:45,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2024-11-09 11:35:47,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:35:47,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:35:47,288 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2024-11-09 11:35:47,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4966d6b12/a2d9ef88ebab42f39eb2b959eda40e0e/FLAG1b938dc50 [2024-11-09 11:35:47,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4966d6b12/a2d9ef88ebab42f39eb2b959eda40e0e [2024-11-09 11:35:47,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:35:47,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:35:47,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:35:47,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:35:47,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:35:47,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:47,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781843fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47, skipping insertion in model container [2024-11-09 11:35:47,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:47,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:35:47,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:35:47,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:35:47,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:35:47,898 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:35:47,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47 WrapperNode [2024-11-09 11:35:47,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:35:47,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:35:47,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:35:47,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:35:47,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:47,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:47,997 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-11-09 11:35:47,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:35:48,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:35:48,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:35:48,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:35:48,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,084 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:35:48,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:35:48,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:35:48,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:35:48,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:35:48,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (1/1) ... [2024-11-09 11:35:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:35:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:48,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:35:48,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:35:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:35:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:35:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:35:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:35:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:35:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:35:48,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:35:48,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:35:48,942 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-09 11:35:48,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:35:48,964 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:35:48,964 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:35:48,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:35:48 BoogieIcfgContainer [2024-11-09 11:35:48,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:35:48,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:35:48,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:35:48,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:35:48,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:35:47" (1/3) ... [2024-11-09 11:35:48,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d07eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:35:48, skipping insertion in model container [2024-11-09 11:35:48,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:35:47" (2/3) ... [2024-11-09 11:35:48,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d07eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:35:48, skipping insertion in model container [2024-11-09 11:35:48,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:35:48" (3/3) ... [2024-11-09 11:35:48,971 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound5.c [2024-11-09 11:35:48,983 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:35:48,983 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-09 11:35:49,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:35:49,032 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;@74945d07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:35:49,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-09 11:35:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:35:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:35:49,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:49,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:35:49,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:49,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:49,044 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 11:35:49,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:49,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665565243] [2024-11-09 11:35:49,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:49,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665565243] [2024-11-09 11:35:49,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665565243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:49,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:49,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:49,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023283049] [2024-11-09 11:35:49,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:49,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:49,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:49,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:49,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:49,225 INFO L87 Difference]: Start difference. First operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:49,313 INFO L93 Difference]: Finished difference Result 601 states and 646 transitions. [2024-11-09 11:35:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:49,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:35:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:49,323 INFO L225 Difference]: With dead ends: 601 [2024-11-09 11:35:49,323 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 11:35:49,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:49,330 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 307 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:49,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 602 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:35:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 11:35:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-09 11:35:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 148 states have (on average 1.8986486486486487) internal successors, (281), 279 states have internal predecessors, (281), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:35:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 301 transitions. [2024-11-09 11:35:49,389 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 301 transitions. Word has length 4 [2024-11-09 11:35:49,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:49,389 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 301 transitions. [2024-11-09 11:35:49,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 301 transitions. [2024-11-09 11:35:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:35:49,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:49,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:35:49,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:35:49,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:49,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-09 11:35:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553224086] [2024-11-09 11:35:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:49,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:49,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553224086] [2024-11-09 11:35:49,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553224086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:49,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:49,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:49,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979079940] [2024-11-09 11:35:49,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:49,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:49,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:49,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:49,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:49,434 INFO L87 Difference]: Start difference. First operand 291 states and 301 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:49,483 INFO L93 Difference]: Finished difference Result 471 states and 485 transitions. [2024-11-09 11:35:49,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:35:49,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:35:49,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:49,486 INFO L225 Difference]: With dead ends: 471 [2024-11-09 11:35:49,487 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:35:49,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:49,488 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 3 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:49,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 887 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:35:49,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:35:49,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-09 11:35:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 152 states have (on average 1.875) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:35:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-11-09 11:35:49,504 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 5 [2024-11-09 11:35:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:49,504 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-11-09 11:35:49,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-11-09 11:35:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:35:49,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:49,505 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:49,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:35:49,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:49,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-09 11:35:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:49,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528001482] [2024-11-09 11:35:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:35:49,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:49,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528001482] [2024-11-09 11:35:49,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528001482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:49,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:49,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:49,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189907316] [2024-11-09 11:35:49,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:49,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:49,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:49,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:49,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:49,579 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:49,706 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-11-09 11:35:49,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:49,707 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:35:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:49,711 INFO L225 Difference]: With dead ends: 563 [2024-11-09 11:35:49,711 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 11:35:49,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:49,714 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 237 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:49,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 596 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 11:35:49,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-11-09 11:35:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 205 states have (on average 1.7853658536585366) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:35:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-11-09 11:35:49,753 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 7 [2024-11-09 11:35:49,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:49,754 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-11-09 11:35:49,754 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:35:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-11-09 11:35:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:35:49,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:49,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:49,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:35:49,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:49,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:49,756 INFO L85 PathProgramCache]: Analyzing trace with hash -133892695, now seen corresponding path program 1 times [2024-11-09 11:35:49,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:49,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701752163] [2024-11-09 11:35:49,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375373473] [2024-11-09 11:35:49,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:49,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:49,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:49,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:49,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:35:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:49,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:49,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:49,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:49,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:49,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701752163] [2024-11-09 11:35:49,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:49,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375373473] [2024-11-09 11:35:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375373473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:49,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:49,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:49,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552211577] [2024-11-09 11:35:49,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:49,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:49,986 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:50,453 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-11-09 11:35:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:50,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-11-09 11:35:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:50,456 INFO L225 Difference]: With dead ends: 513 [2024-11-09 11:35:50,456 INFO L226 Difference]: Without dead ends: 458 [2024-11-09 11:35:50,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:50,458 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 134 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:50,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 329 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:35:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-09 11:35:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-11-09 11:35:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.6456140350877193) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-11-09 11:35:50,479 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 40 [2024-11-09 11:35:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:50,479 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-11-09 11:35:50,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-11-09 11:35:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:35:50,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:50,481 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:50,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:35:50,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:50,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:50,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:50,682 INFO L85 PathProgramCache]: Analyzing trace with hash 178141835, now seen corresponding path program 1 times [2024-11-09 11:35:50,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:50,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774937013] [2024-11-09 11:35:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774937013] [2024-11-09 11:35:50,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774937013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:50,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:50,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:50,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396941796] [2024-11-09 11:35:50,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:50,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:50,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:50,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:50,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:50,763 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:51,308 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-11-09 11:35:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:51,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 42 [2024-11-09 11:35:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:51,311 INFO L225 Difference]: With dead ends: 471 [2024-11-09 11:35:51,311 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:51,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:51,316 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:51,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 530 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:51,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5649122807017544) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-11-09 11:35:51,329 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 42 [2024-11-09 11:35:51,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:51,329 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-11-09 11:35:51,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-11-09 11:35:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:35:51,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:51,330 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:51,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:35:51,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:51,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:51,331 INFO L85 PathProgramCache]: Analyzing trace with hash -604385427, now seen corresponding path program 1 times [2024-11-09 11:35:51,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:51,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270472700] [2024-11-09 11:35:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:51,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:51,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:51,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270472700] [2024-11-09 11:35:51,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270472700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:51,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:51,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338263320] [2024-11-09 11:35:51,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:51,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:51,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:51,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:51,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:51,488 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:52,874 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-11-09 11:35:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:52,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (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 44 [2024-11-09 11:35:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:52,877 INFO L225 Difference]: With dead ends: 450 [2024-11-09 11:35:52,877 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:52,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:52,878 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:52,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 416 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:35:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.5578947368421052) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-11-09 11:35:52,892 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 44 [2024-11-09 11:35:52,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:52,892 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-11-09 11:35:52,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-11-09 11:35:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:35:52,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:52,894 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:52,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:35:52,894 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:52,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1556078956, now seen corresponding path program 1 times [2024-11-09 11:35:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:52,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683580525] [2024-11-09 11:35:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:52,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:52,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:52,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:52,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683580525] [2024-11-09 11:35:52,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683580525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:52,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:52,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439008001] [2024-11-09 11:35:52,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:52,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:52,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:52,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:52,963 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:53,516 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-11-09 11:35:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:53,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 45 [2024-11-09 11:35:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:53,518 INFO L225 Difference]: With dead ends: 450 [2024-11-09 11:35:53,518 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:53,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:53,519 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 255 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:53,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 393 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:53,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:53,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-11-09 11:35:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 285 states have (on average 1.550877192982456) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-11-09 11:35:53,529 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 45 [2024-11-09 11:35:53,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:53,529 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-11-09 11:35:53,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-11-09 11:35:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:35:53,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:53,530 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:53,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:35:53,531 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:53,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:53,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1566054095, now seen corresponding path program 1 times [2024-11-09 11:35:53,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:53,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986293903] [2024-11-09 11:35:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:53,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:53,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646604981] [2024-11-09 11:35:53,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:53,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:53,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:53,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:53,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:35:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:53,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:35:53,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:53,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:53,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:53,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986293903] [2024-11-09 11:35:53,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:53,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646604981] [2024-11-09 11:35:53,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646604981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:53,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:53,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:53,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104706826] [2024-11-09 11:35:53,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:53,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:53,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:53,737 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:54,112 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-11-09 11:35:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:54,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (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 48 [2024-11-09 11:35:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:54,137 INFO L225 Difference]: With dead ends: 455 [2024-11-09 11:35:54,137 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 11:35:54,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:54,139 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 112 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:54,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 355 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:35:54,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 11:35:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-11-09 11:35:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5243055555555556) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-11-09 11:35:54,154 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 48 [2024-11-09 11:35:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:54,154 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-11-09 11:35:54,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-11-09 11:35:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:35:54,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:54,157 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:54,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:54,357 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,SelfDestructingSolverStorable7 [2024-11-09 11:35:54,359 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:54,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:54,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1303036584, now seen corresponding path program 1 times [2024-11-09 11:35:54,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:54,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376603649] [2024-11-09 11:35:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:54,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:54,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:54,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:54,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376603649] [2024-11-09 11:35:54,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376603649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:54,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:54,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:54,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242233878] [2024-11-09 11:35:54,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:54,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:54,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:54,444 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:54,978 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-11-09 11:35:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:54,979 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), 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 49 [2024-11-09 11:35:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:54,980 INFO L225 Difference]: With dead ends: 454 [2024-11-09 11:35:54,980 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:35:54,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:54,981 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 136 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:54,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 486 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:54,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:35:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-11-09 11:35:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 288 states have (on average 1.5034722222222223) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:35:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-11-09 11:35:54,990 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 49 [2024-11-09 11:35:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:54,991 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-11-09 11:35:54,991 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-11-09 11:35:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:35:54,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:54,992 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:54,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:35:54,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:54,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -528933860, now seen corresponding path program 1 times [2024-11-09 11:35:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:54,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562038447] [2024-11-09 11:35:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:35:55,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:55,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562038447] [2024-11-09 11:35:55,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562038447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:55,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:55,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:35:55,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509444203] [2024-11-09 11:35:55,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:55,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:55,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:55,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:55,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:55,070 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:55,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:55,577 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-11-09 11:35:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:55,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 53 [2024-11-09 11:35:55,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:55,579 INFO L225 Difference]: With dead ends: 452 [2024-11-09 11:35:55,579 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 11:35:55,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:35:55,580 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 119 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:55,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:35:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 11:35:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-11-09 11:35:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 225 states have (on average 1.6177777777777778) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-11-09 11:35:55,587 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 53 [2024-11-09 11:35:55,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:55,588 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-11-09 11:35:55,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:35:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-11-09 11:35:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:35:55,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:55,589 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:55,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:35:55,589 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:55,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1162037022, now seen corresponding path program 1 times [2024-11-09 11:35:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:55,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825240881] [2024-11-09 11:35:55,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:55,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825240881] [2024-11-09 11:35:55,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825240881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:55,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:55,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107965504] [2024-11-09 11:35:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:55,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:55,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:55,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:55,664 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:56,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:56,042 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-11-09 11:35:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:56,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-11-09 11:35:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:56,044 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:35:56,044 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:56,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:56,045 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:56,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 158 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:35:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-09 11:35:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-11-09 11:35:56,052 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 85 [2024-11-09 11:35:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:56,053 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-11-09 11:35:56,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-11-09 11:35:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:35:56,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:56,054 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:56,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 11:35:56,054 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:56,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:56,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1663409478, now seen corresponding path program 1 times [2024-11-09 11:35:56,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:56,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543786759] [2024-11-09 11:35:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:56,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:56,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:56,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543786759] [2024-11-09 11:35:56,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543786759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:56,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:56,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:56,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771093053] [2024-11-09 11:35:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:56,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:56,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:56,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:56,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:56,105 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:56,362 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-11-09 11:35:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:56,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-09 11:35:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:56,364 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:35:56,364 INFO L226 Difference]: Without dead ends: 374 [2024-11-09 11:35:56,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:56,365 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 24 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:56,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 401 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:35:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-09 11:35:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-09 11:35:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 227 states have (on average 1.5814977973568283) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-11-09 11:35:56,372 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 86 [2024-11-09 11:35:56,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:56,372 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-11-09 11:35:56,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-11-09 11:35:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:35:56,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:56,373 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:56,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:35:56,373 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:56,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1018158765, now seen corresponding path program 1 times [2024-11-09 11:35:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:56,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659603730] [2024-11-09 11:35:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:56,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 11:35:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:56,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:56,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659603730] [2024-11-09 11:35:56,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659603730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:56,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:56,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:56,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085298795] [2024-11-09 11:35:56,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:56,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:56,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:56,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:56,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:56,470 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:56,678 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-11-09 11:35:56,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:56,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2024-11-09 11:35:56,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:56,681 INFO L225 Difference]: With dead ends: 370 [2024-11-09 11:35:56,681 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:56,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:56,682 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 194 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:56,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 266 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:35:56,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:56,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-09 11:35:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.5638766519823788) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-11-09 11:35:56,692 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 88 [2024-11-09 11:35:56,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:56,693 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-11-09 11:35:56,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-11-09 11:35:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:35:56,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:56,694 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:56,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:35:56,694 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:56,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:56,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1498150823, now seen corresponding path program 1 times [2024-11-09 11:35:56,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:56,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672604714] [2024-11-09 11:35:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:56,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 11:35:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:56,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:56,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672604714] [2024-11-09 11:35:56,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672604714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:56,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:56,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:35:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241809594] [2024-11-09 11:35:56,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:56,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:56,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:56,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:56,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:56,777 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:35:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:57,066 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-11-09 11:35:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:57,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89 [2024-11-09 11:35:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:57,068 INFO L225 Difference]: With dead ends: 372 [2024-11-09 11:35:57,068 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 11:35:57,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:57,068 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:57,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 761 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:35:57,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 11:35:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-09 11:35:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 225 states have (on average 1.56) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:35:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-11-09 11:35:57,075 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 89 [2024-11-09 11:35:57,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:57,076 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-11-09 11:35:57,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:35:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-11-09 11:35:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:35:57,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:57,077 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:57,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:35:57,077 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:57,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:57,077 INFO L85 PathProgramCache]: Analyzing trace with hash -700865343, now seen corresponding path program 1 times [2024-11-09 11:35:57,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427360916] [2024-11-09 11:35:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:57,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:57,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427360916] [2024-11-09 11:35:57,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427360916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:57,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462248522] [2024-11-09 11:35:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:57,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:57,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:57,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:57,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:35:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:35:57,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:57,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:57,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462248522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:57,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:35:57,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:35:57,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047027085] [2024-11-09 11:35:57,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:57,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:35:57,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:35:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:35:57,313 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:57,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:57,387 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2024-11-09 11:35:57,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:35:57,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-09 11:35:57,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:57,390 INFO L225 Difference]: With dead ends: 535 [2024-11-09 11:35:57,390 INFO L226 Difference]: Without dead ends: 534 [2024-11-09 11:35:57,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:35:57,391 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:57,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-09 11:35:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2024-11-09 11:35:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 296 states have (on average 1.6283783783783783) internal successors, (482), 418 states have internal predecessors, (482), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:35:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2024-11-09 11:35:57,402 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2024-11-09 11:35:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:57,402 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2024-11-09 11:35:57,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2024-11-09 11:35:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:35:57,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:57,403 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:57,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:35:57,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:57,604 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:57,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash 778272323, now seen corresponding path program 1 times [2024-11-09 11:35:57,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:57,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945800393] [2024-11-09 11:35:57,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:57,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:57,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945800393] [2024-11-09 11:35:57,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945800393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:57,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455445281] [2024-11-09 11:35:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:57,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:57,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:57,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:35:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:57,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:35:57,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:57,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:35:57,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455445281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:57,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:35:57,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:35:57,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732900952] [2024-11-09 11:35:57,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:57,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:35:57,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:57,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:35:57,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:57,798 INFO L87 Difference]: Start difference. First operand 442 states and 526 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:57,900 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2024-11-09 11:35:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:35:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2024-11-09 11:35:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:57,902 INFO L225 Difference]: With dead ends: 444 [2024-11-09 11:35:57,902 INFO L226 Difference]: Without dead ends: 436 [2024-11-09 11:35:57,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:35:57,904 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:57,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:57,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-09 11:35:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2024-11-09 11:35:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 296 states have (on average 1.5945945945945945) internal successors, (472), 410 states have internal predecessors, (472), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:35:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2024-11-09 11:35:57,937 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2024-11-09 11:35:57,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:57,938 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2024-11-09 11:35:57,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:35:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2024-11-09 11:35:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:35:57,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:57,939 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:57,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:58,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:35:58,140 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:58,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1643361713, now seen corresponding path program 1 times [2024-11-09 11:35:58,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:58,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720906645] [2024-11-09 11:35:58,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:58,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720906645] [2024-11-09 11:35:58,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720906645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:58,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360557923] [2024-11-09 11:35:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:58,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:58,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:35:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:35:58,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:58,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:58,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360557923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:58,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:58,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:35:58,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888055113] [2024-11-09 11:35:58,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:58,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:35:58,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:58,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:35:58,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:35:58,430 INFO L87 Difference]: Start difference. First operand 434 states and 516 transitions. Second operand has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:35:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:58,616 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2024-11-09 11:35:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:35:58,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2024-11-09 11:35:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:58,618 INFO L225 Difference]: With dead ends: 779 [2024-11-09 11:35:58,618 INFO L226 Difference]: Without dead ends: 771 [2024-11-09 11:35:58,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:35:58,619 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1031 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:58,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 734 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:35:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-09 11:35:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2024-11-09 11:35:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 367 states have (on average 1.561307901907357) internal successors, (573), 476 states have internal predecessors, (573), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:35:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2024-11-09 11:35:58,631 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2024-11-09 11:35:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:58,632 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2024-11-09 11:35:58,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 11:35:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2024-11-09 11:35:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:35:58,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:58,633 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:58,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:35:58,834 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,SelfDestructingSolverStorable16 [2024-11-09 11:35:58,834 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:58,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:58,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1996328184, now seen corresponding path program 1 times [2024-11-09 11:35:58,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:58,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466254185] [2024-11-09 11:35:58,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:58,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:35:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466254185] [2024-11-09 11:35:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466254185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:35:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:35:58,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:35:58,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467749362] [2024-11-09 11:35:58,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:35:58,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:35:58,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:58,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:35:58,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:58,898 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:59,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:59,019 INFO L93 Difference]: Finished difference Result 505 states and 627 transitions. [2024-11-09 11:35:59,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:35:59,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 101 [2024-11-09 11:35:59,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:59,021 INFO L225 Difference]: With dead ends: 505 [2024-11-09 11:35:59,021 INFO L226 Difference]: Without dead ends: 503 [2024-11-09 11:35:59,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:35:59,022 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 170 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:59,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 252 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-09 11:35:59,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-09 11:35:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 367 states have (on average 1.550408719346049) internal successors, (569), 474 states have internal predecessors, (569), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 11:35:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 623 transitions. [2024-11-09 11:35:59,033 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 623 transitions. Word has length 101 [2024-11-09 11:35:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:59,033 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 623 transitions. [2024-11-09 11:35:59,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:35:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 623 transitions. [2024-11-09 11:35:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:35:59,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:59,034 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:59,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:35:59,035 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:59,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1756631742, now seen corresponding path program 1 times [2024-11-09 11:35:59,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:59,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893064645] [2024-11-09 11:35:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:59,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:35:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:35:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:35:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:35:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:35:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:35:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:59,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:59,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893064645] [2024-11-09 11:35:59,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893064645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:35:59,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651191953] [2024-11-09 11:35:59,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:59,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:59,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:59,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:35:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:59,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:35:59,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:59,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651191953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:59,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:35:59,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-09 11:35:59,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378156117] [2024-11-09 11:35:59,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:59,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:35:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:35:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:35:59,331 INFO L87 Difference]: Start difference. First operand 503 states and 623 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 11:35:59,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:35:59,523 INFO L93 Difference]: Finished difference Result 1128 states and 1227 transitions. [2024-11-09 11:35:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:35:59,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 102 [2024-11-09 11:35:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:35:59,526 INFO L225 Difference]: With dead ends: 1128 [2024-11-09 11:35:59,526 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 11:35:59,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:35:59,527 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 747 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:35:59,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1823 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:35:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 11:35:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 717. [2024-11-09 11:35:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 563 states have (on average 1.6145648312611012) internal successors, (909), 672 states have internal predecessors, (909), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:35:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions. [2024-11-09 11:35:59,545 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 102 [2024-11-09 11:35:59,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:35:59,545 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions. [2024-11-09 11:35:59,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 11:35:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions. [2024-11-09 11:35:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 11:35:59,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:35:59,546 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:35:59,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:35:59,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:59,748 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:35:59,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:35:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1885573092, now seen corresponding path program 1 times [2024-11-09 11:35:59,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:35:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437462670] [2024-11-09 11:35:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:35:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:35:59,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821870851] [2024-11-09 11:35:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:35:59,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:35:59,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:35:59,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:35:59,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:35:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:35:59,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:35:59,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:35:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:59,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:35:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:35:59,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:35:59,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437462670] [2024-11-09 11:35:59,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:35:59,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821870851] [2024-11-09 11:35:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821870851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:35:59,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:35:59,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 11:35:59,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584652121] [2024-11-09 11:35:59,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:35:59,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:35:59,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:35:59,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:35:59,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:35:59,999 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:36:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:00,194 INFO L93 Difference]: Finished difference Result 922 states and 1053 transitions. [2024-11-09 11:36:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:36:00,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-11-09 11:36:00,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:00,198 INFO L225 Difference]: With dead ends: 922 [2024-11-09 11:36:00,198 INFO L226 Difference]: Without dead ends: 916 [2024-11-09 11:36:00,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:36:00,198 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 859 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:00,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 967 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:36:00,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-11-09 11:36:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 712. [2024-11-09 11:36:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 563 states have (on average 1.5914742451154529) internal successors, (896), 667 states have internal predecessors, (896), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:36:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 980 transitions. [2024-11-09 11:36:00,218 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 980 transitions. Word has length 103 [2024-11-09 11:36:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:00,219 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 980 transitions. [2024-11-09 11:36:00,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:36:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 980 transitions. [2024-11-09 11:36:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:36:00,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:00,220 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:00,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:36:00,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:00,421 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:00,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:00,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1519996851, now seen corresponding path program 1 times [2024-11-09 11:36:00,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:00,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243641465] [2024-11-09 11:36:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:00,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:00,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000454968] [2024-11-09 11:36:00,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:00,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:00,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:00,436 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:00,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:36:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:00,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:36:00,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:36:00,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:36:00,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243641465] [2024-11-09 11:36:00,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000454968] [2024-11-09 11:36:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000454968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:36:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:36:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:36:00,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027884971] [2024-11-09 11:36:00,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:36:00,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:36:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:00,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:36:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:36:00,661 INFO L87 Difference]: Start difference. First operand 712 states and 980 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:01,092 INFO L93 Difference]: Finished difference Result 713 states and 980 transitions. [2024-11-09 11:36:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:36:01,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-11-09 11:36:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:01,096 INFO L225 Difference]: With dead ends: 713 [2024-11-09 11:36:01,096 INFO L226 Difference]: Without dead ends: 712 [2024-11-09 11:36:01,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:36:01,097 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:01,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:36:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-09 11:36:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-09 11:36:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 563 states have (on average 1.5896980461811723) internal successors, (895), 667 states have internal predecessors, (895), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:36:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 979 transitions. [2024-11-09 11:36:01,121 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 979 transitions. Word has length 105 [2024-11-09 11:36:01,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:01,122 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 979 transitions. [2024-11-09 11:36:01,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 979 transitions. [2024-11-09 11:36:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:36:01,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:01,123 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:01,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:36:01,323 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,SelfDestructingSolverStorable20 [2024-11-09 11:36:01,324 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:01,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash -124737670, now seen corresponding path program 1 times [2024-11-09 11:36:01,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:01,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205817226] [2024-11-09 11:36:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:01,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:01,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187288111] [2024-11-09 11:36:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:01,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:01,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:01,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:01,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:36:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:01,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:36:01,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:36:01,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:36:01,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:01,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205817226] [2024-11-09 11:36:01,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:01,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187288111] [2024-11-09 11:36:01,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187288111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:36:01,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:36:01,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:36:01,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001127825] [2024-11-09 11:36:01,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:36:01,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:36:01,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:01,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:36:01,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:36:01,606 INFO L87 Difference]: Start difference. First operand 712 states and 979 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:02,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:02,208 INFO L93 Difference]: Finished difference Result 713 states and 979 transitions. [2024-11-09 11:36:02,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:36:02,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-09 11:36:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:02,210 INFO L225 Difference]: With dead ends: 713 [2024-11-09 11:36:02,211 INFO L226 Difference]: Without dead ends: 692 [2024-11-09 11:36:02,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:36:02,211 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:02,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-09 11:36:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-09 11:36:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 545 states have (on average 1.6073394495412845) internal successors, (876), 649 states have internal predecessors, (876), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 956 transitions. [2024-11-09 11:36:02,230 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 956 transitions. Word has length 106 [2024-11-09 11:36:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:02,230 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 956 transitions. [2024-11-09 11:36:02,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 956 transitions. [2024-11-09 11:36:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:36:02,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:02,231 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 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] [2024-11-09 11:36:02,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:36:02,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:02,433 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:02,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash 263146541, now seen corresponding path program 1 times [2024-11-09 11:36:02,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:02,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078376354] [2024-11-09 11:36:02,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:02,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:02,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773077212] [2024-11-09 11:36:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:02,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:02,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:02,459 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:02,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:36:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:02,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:36:02,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:02,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:36:02,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:02,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078376354] [2024-11-09 11:36:02,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:02,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773077212] [2024-11-09 11:36:02,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773077212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:36:02,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:36:02,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:36:02,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053231873] [2024-11-09 11:36:02,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:36:02,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:36:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:36:02,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:36:02,780 INFO L87 Difference]: Start difference. First operand 692 states and 956 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:36:03,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:03,636 INFO L93 Difference]: Finished difference Result 692 states and 956 transitions. [2024-11-09 11:36:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:36:03,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-11-09 11:36:03,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:03,638 INFO L225 Difference]: With dead ends: 692 [2024-11-09 11:36:03,639 INFO L226 Difference]: Without dead ends: 682 [2024-11-09 11:36:03,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:36:03,639 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:03,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 295 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:36:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-09 11:36:03,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2024-11-09 11:36:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 545 states have (on average 1.5522935779816514) internal successors, (846), 639 states have internal predecessors, (846), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 926 transitions. [2024-11-09 11:36:03,654 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 926 transitions. Word has length 124 [2024-11-09 11:36:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:03,654 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 926 transitions. [2024-11-09 11:36:03,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:36:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 926 transitions. [2024-11-09 11:36:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:36:03,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:03,655 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:03,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:36:03,856 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,SelfDestructingSolverStorable22 [2024-11-09 11:36:03,856 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:03,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:03,857 INFO L85 PathProgramCache]: Analyzing trace with hash -432391732, now seen corresponding path program 1 times [2024-11-09 11:36:03,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:03,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069275223] [2024-11-09 11:36:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:03,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735022445] [2024-11-09 11:36:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:03,874 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:03,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:36:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:03,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:36:03,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:04,118 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069275223] [2024-11-09 11:36:05,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735022445] [2024-11-09 11:36:05,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735022445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:05,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:05,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:36:05,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065211228] [2024-11-09 11:36:05,061 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:05,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:36:05,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:05,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:36:05,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:05,062 INFO L87 Difference]: Start difference. First operand 682 states and 926 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:36:05,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:05,717 INFO L93 Difference]: Finished difference Result 733 states and 954 transitions. [2024-11-09 11:36:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:36:05,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 125 [2024-11-09 11:36:05,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:05,719 INFO L225 Difference]: With dead ends: 733 [2024-11-09 11:36:05,719 INFO L226 Difference]: Without dead ends: 710 [2024-11-09 11:36:05,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:05,720 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 129 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:05,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 370 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:05,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-09 11:36:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 694. [2024-11-09 11:36:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 557 states have (on average 1.5152603231597845) internal successors, (844), 650 states have internal predecessors, (844), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 924 transitions. [2024-11-09 11:36:05,735 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 924 transitions. Word has length 125 [2024-11-09 11:36:05,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:05,735 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 924 transitions. [2024-11-09 11:36:05,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:36:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 924 transitions. [2024-11-09 11:36:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 11:36:05,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:05,736 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:05,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:36:05,940 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,SelfDestructingSolverStorable23 [2024-11-09 11:36:05,940 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:05,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:05,941 INFO L85 PathProgramCache]: Analyzing trace with hash -519241713, now seen corresponding path program 1 times [2024-11-09 11:36:05,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:05,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642365881] [2024-11-09 11:36:05,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:05,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:06,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:06,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642365881] [2024-11-09 11:36:06,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642365881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:06,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205563636] [2024-11-09 11:36:06,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:06,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:06,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:06,038 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:06,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:36:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:06,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:36:06,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:06,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:06,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205563636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:06,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:36:06,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-09 11:36:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407116333] [2024-11-09 11:36:06,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:06,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:36:06,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:06,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:36:06,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:06,551 INFO L87 Difference]: Start difference. First operand 694 states and 924 transitions. Second operand has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:36:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:07,102 INFO L93 Difference]: Finished difference Result 734 states and 931 transitions. [2024-11-09 11:36:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:07,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-11-09 11:36:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:07,105 INFO L225 Difference]: With dead ends: 734 [2024-11-09 11:36:07,105 INFO L226 Difference]: Without dead ends: 729 [2024-11-09 11:36:07,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:36:07,109 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 464 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:07,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 600 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:36:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-09 11:36:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 693. [2024-11-09 11:36:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 557 states have (on average 1.4937163375224416) internal successors, (832), 649 states have internal predecessors, (832), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 912 transitions. [2024-11-09 11:36:07,132 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 912 transitions. Word has length 126 [2024-11-09 11:36:07,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:07,132 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 912 transitions. [2024-11-09 11:36:07,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:36:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 912 transitions. [2024-11-09 11:36:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 11:36:07,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:07,134 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:07,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:36:07,334 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 [2024-11-09 11:36:07,335 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:07,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:07,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1083376174, now seen corresponding path program 1 times [2024-11-09 11:36:07,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:07,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663489117] [2024-11-09 11:36:07,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:07,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:07,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:07,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663489117] [2024-11-09 11:36:07,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663489117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:07,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442157871] [2024-11-09 11:36:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:07,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:07,485 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:07,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:36:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:07,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:36:07,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:07,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:07,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442157871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:07,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:36:07,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-09 11:36:07,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385474171] [2024-11-09 11:36:07,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:07,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:36:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:36:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:07,872 INFO L87 Difference]: Start difference. First operand 693 states and 912 transitions. Second operand has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:36:08,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:08,794 INFO L93 Difference]: Finished difference Result 733 states and 919 transitions. [2024-11-09 11:36:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:08,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2024-11-09 11:36:08,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:08,797 INFO L225 Difference]: With dead ends: 733 [2024-11-09 11:36:08,797 INFO L226 Difference]: Without dead ends: 728 [2024-11-09 11:36:08,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:36:08,798 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 330 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:08,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 552 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:36:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-09 11:36:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 692. [2024-11-09 11:36:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 557 states have (on average 1.4721723518850987) internal successors, (820), 648 states have internal predecessors, (820), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 11:36:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 900 transitions. [2024-11-09 11:36:08,823 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 900 transitions. Word has length 127 [2024-11-09 11:36:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:08,823 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 900 transitions. [2024-11-09 11:36:08,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-09 11:36:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 900 transitions. [2024-11-09 11:36:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:36:08,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:08,825 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:08,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:09,025 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 [2024-11-09 11:36:09,026 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:09,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:09,027 INFO L85 PathProgramCache]: Analyzing trace with hash -775076879, now seen corresponding path program 1 times [2024-11-09 11:36:09,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:09,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555587965] [2024-11-09 11:36:09,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:09,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:09,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865199005] [2024-11-09 11:36:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:09,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:09,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:09,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:36:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:09,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:36:09,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:09,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:36:09,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:09,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555587965] [2024-11-09 11:36:09,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:09,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865199005] [2024-11-09 11:36:09,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865199005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:09,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:09,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:36:09,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488051941] [2024-11-09 11:36:09,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:09,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:36:09,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:09,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:36:09,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:09,930 INFO L87 Difference]: Start difference. First operand 692 states and 900 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:36:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:18,743 INFO L93 Difference]: Finished difference Result 753 states and 932 transitions. [2024-11-09 11:36:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:36:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2024-11-09 11:36:18,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:18,746 INFO L225 Difference]: With dead ends: 753 [2024-11-09 11:36:18,746 INFO L226 Difference]: Without dead ends: 658 [2024-11-09 11:36:18,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:36:18,747 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 398 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:18,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 488 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 11:36:18,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-09 11:36:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 639. [2024-11-09 11:36:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 509 states have (on average 1.4381139489194499) internal successors, (732), 598 states have internal predecessors, (732), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 806 transitions. [2024-11-09 11:36:18,772 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 806 transitions. Word has length 128 [2024-11-09 11:36:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:18,772 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 806 transitions. [2024-11-09 11:36:18,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:36:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 806 transitions. [2024-11-09 11:36:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 11:36:18,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:18,773 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:18,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:18,977 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 [2024-11-09 11:36:18,978 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:18,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:18,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1025846474, now seen corresponding path program 1 times [2024-11-09 11:36:18,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:18,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319165314] [2024-11-09 11:36:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-09 11:36:19,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:19,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319165314] [2024-11-09 11:36:19,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319165314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:36:19,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:36:19,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:36:19,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767816839] [2024-11-09 11:36:19,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:36:19,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:36:19,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:19,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:36:19,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:36:19,052 INFO L87 Difference]: Start difference. First operand 639 states and 806 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:19,711 INFO L93 Difference]: Finished difference Result 643 states and 806 transitions. [2024-11-09 11:36:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:36:19,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 170 [2024-11-09 11:36:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:19,714 INFO L225 Difference]: With dead ends: 643 [2024-11-09 11:36:19,714 INFO L226 Difference]: Without dead ends: 640 [2024-11-09 11:36:19,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:36:19,714 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 132 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:19,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 188 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:19,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-09 11:36:19,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 637. [2024-11-09 11:36:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4263261296660117) internal successors, (726), 596 states have internal predecessors, (726), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 800 transitions. [2024-11-09 11:36:19,730 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 800 transitions. Word has length 170 [2024-11-09 11:36:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:19,731 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 800 transitions. [2024-11-09 11:36:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:36:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 800 transitions. [2024-11-09 11:36:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 11:36:19,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:19,732 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:19,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 11:36:19,732 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:19,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:19,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2031561587, now seen corresponding path program 1 times [2024-11-09 11:36:19,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:19,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094343784] [2024-11-09 11:36:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:19,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:19,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593566021] [2024-11-09 11:36:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:19,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:19,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:19,749 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:19,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:36:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:19,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:36:19,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:20,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:21,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094343784] [2024-11-09 11:36:21,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593566021] [2024-11-09 11:36:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593566021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:21,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:21,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:36:21,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817566796] [2024-11-09 11:36:21,434 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:21,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:36:21,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:21,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:36:21,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:21,435 INFO L87 Difference]: Start difference. First operand 637 states and 800 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 11:36:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:22,032 INFO L93 Difference]: Finished difference Result 638 states and 800 transitions. [2024-11-09 11:36:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:22,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2024-11-09 11:36:22,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:22,037 INFO L225 Difference]: With dead ends: 638 [2024-11-09 11:36:22,037 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 11:36:22,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:22,038 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 32 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:22,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 466 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 11:36:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-09 11:36:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.424361493123772) internal successors, (725), 596 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 799 transitions. [2024-11-09 11:36:22,061 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 799 transitions. Word has length 174 [2024-11-09 11:36:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:22,061 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 799 transitions. [2024-11-09 11:36:22,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 11:36:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 799 transitions. [2024-11-09 11:36:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 11:36:22,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:22,063 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:22,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:36:22,263 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,SelfDestructingSolverStorable28 [2024-11-09 11:36:22,264 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:22,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1446100059, now seen corresponding path program 1 times [2024-11-09 11:36:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:22,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680599758] [2024-11-09 11:36:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:22,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008736392] [2024-11-09 11:36:22,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:22,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:22,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:22,298 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:22,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:36:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:22,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:36:22,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:22,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:23,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:23,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680599758] [2024-11-09 11:36:23,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:23,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008736392] [2024-11-09 11:36:23,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008736392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:23,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:23,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:36:23,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013417890] [2024-11-09 11:36:23,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:23,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:36:23,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:23,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:36:23,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:23,223 INFO L87 Difference]: Start difference. First operand 637 states and 799 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:24,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:24,022 INFO L93 Difference]: Finished difference Result 648 states and 799 transitions. [2024-11-09 11:36:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:36:24,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2024-11-09 11:36:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:24,025 INFO L225 Difference]: With dead ends: 648 [2024-11-09 11:36:24,025 INFO L226 Difference]: Without dead ends: 647 [2024-11-09 11:36:24,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:24,025 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 69 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:24,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 560 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:36:24,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-09 11:36:24,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 637. [2024-11-09 11:36:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4223968565815324) internal successors, (724), 596 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 798 transitions. [2024-11-09 11:36:24,039 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 798 transitions. Word has length 175 [2024-11-09 11:36:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:24,040 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 798 transitions. [2024-11-09 11:36:24,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 11:36:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 798 transitions. [2024-11-09 11:36:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-09 11:36:24,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:24,041 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:24,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:36:24,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:24,242 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:24,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2050273271, now seen corresponding path program 1 times [2024-11-09 11:36:24,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:24,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304455623] [2024-11-09 11:36:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:24,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305545029] [2024-11-09 11:36:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:24,267 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:24,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:36:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:24,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:36:24,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:25,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:36:26,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:26,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304455623] [2024-11-09 11:36:26,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:26,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305545029] [2024-11-09 11:36:26,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305545029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:26,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:26,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:36:26,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703927249] [2024-11-09 11:36:26,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:26,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:36:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:36:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:36:26,621 INFO L87 Difference]: Start difference. First operand 637 states and 798 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:36:37,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:37,149 INFO L93 Difference]: Finished difference Result 661 states and 822 transitions. [2024-11-09 11:36:37,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:36:37,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2024-11-09 11:36:37,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:37,152 INFO L225 Difference]: With dead ends: 661 [2024-11-09 11:36:37,152 INFO L226 Difference]: Without dead ends: 653 [2024-11-09 11:36:37,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:36:37,155 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 324 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:37,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 365 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 11:36:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-09 11:36:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 637. [2024-11-09 11:36:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4066797642436148) internal successors, (716), 596 states have internal predecessors, (716), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 790 transitions. [2024-11-09 11:36:37,180 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 790 transitions. Word has length 178 [2024-11-09 11:36:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:37,181 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 790 transitions. [2024-11-09 11:36:37,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:36:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 790 transitions. [2024-11-09 11:36:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-09 11:36:37,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:37,183 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:37,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:36:37,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:37,387 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:37,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1352928969, now seen corresponding path program 1 times [2024-11-09 11:36:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:37,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517476745] [2024-11-09 11:36:37,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:37,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951287846] [2024-11-09 11:36:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:37,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:37,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:37,424 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:37,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:36:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:37,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:36:37,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:36:37,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517476745] [2024-11-09 11:36:38,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951287846] [2024-11-09 11:36:38,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951287846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:38,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:38,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:36:38,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786803950] [2024-11-09 11:36:38,507 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:38,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:36:38,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:38,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:36:38,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:38,508 INFO L87 Difference]: Start difference. First operand 637 states and 790 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:39,192 INFO L93 Difference]: Finished difference Result 640 states and 790 transitions. [2024-11-09 11:36:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:36:39,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 197 [2024-11-09 11:36:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:39,195 INFO L225 Difference]: With dead ends: 640 [2024-11-09 11:36:39,196 INFO L226 Difference]: Without dead ends: 637 [2024-11-09 11:36:39,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:39,198 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 20 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:39,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 525 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:36:39,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-09 11:36:39,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-09 11:36:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4007858546168959) internal successors, (713), 596 states have internal predecessors, (713), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 787 transitions. [2024-11-09 11:36:39,225 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 787 transitions. Word has length 197 [2024-11-09 11:36:39,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:39,226 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 787 transitions. [2024-11-09 11:36:39,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:39,226 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 787 transitions. [2024-11-09 11:36:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-09 11:36:39,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:39,227 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:36:39,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:39,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:39,432 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:39,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1008875142, now seen corresponding path program 1 times [2024-11-09 11:36:39,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:39,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052149449] [2024-11-09 11:36:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 11:36:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 11:36:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:36:39,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:39,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052149449] [2024-11-09 11:36:39,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052149449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:39,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409335762] [2024-11-09 11:36:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:39,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:39,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:39,684 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:39,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:36:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:39,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:36:39,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:36:40,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:40,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409335762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:40,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:40,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-09 11:36:40,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042615525] [2024-11-09 11:36:40,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:40,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:36:40,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:40,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:36:40,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:36:40,448 INFO L87 Difference]: Start difference. First operand 637 states and 787 transitions. Second operand has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:36:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:42,332 INFO L93 Difference]: Finished difference Result 637 states and 787 transitions. [2024-11-09 11:36:42,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:36:42,333 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 198 [2024-11-09 11:36:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:42,335 INFO L225 Difference]: With dead ends: 637 [2024-11-09 11:36:42,335 INFO L226 Difference]: Without dead ends: 633 [2024-11-09 11:36:42,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:36:42,335 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 609 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:42,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 284 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 11:36:42,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-09 11:36:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2024-11-09 11:36:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 509 states have (on average 1.37524557956778) internal successors, (700), 592 states have internal predecessors, (700), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 11:36:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 774 transitions. [2024-11-09 11:36:42,352 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 774 transitions. Word has length 198 [2024-11-09 11:36:42,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:42,352 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 774 transitions. [2024-11-09 11:36:42,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.8) internal successors, (278), 11 states have internal predecessors, (278), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:36:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 774 transitions. [2024-11-09 11:36:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-09 11:36:42,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:42,354 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:42,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:42,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:42,555 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:42,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:42,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1541425994, now seen corresponding path program 1 times [2024-11-09 11:36:42,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:42,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264122350] [2024-11-09 11:36:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:42,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052110326] [2024-11-09 11:36:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:42,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:42,585 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:42,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:36:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:42,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:36:42,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:36:43,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:43,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:43,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264122350] [2024-11-09 11:36:43,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:43,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052110326] [2024-11-09 11:36:43,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052110326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:43,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:43,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:36:43,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539625844] [2024-11-09 11:36:43,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:43,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:36:43,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:36:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:43,205 INFO L87 Difference]: Start difference. First operand 633 states and 774 transitions. Second operand has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:43,813 INFO L93 Difference]: Finished difference Result 635 states and 774 transitions. [2024-11-09 11:36:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:36:43,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2024-11-09 11:36:43,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:43,816 INFO L225 Difference]: With dead ends: 635 [2024-11-09 11:36:43,816 INFO L226 Difference]: Without dead ends: 599 [2024-11-09 11:36:43,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:36:43,817 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 8 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:43,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 595 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:36:43,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-09 11:36:43,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-09 11:36:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 477 states have (on average 1.3962264150943395) internal successors, (666), 560 states have internal predecessors, (666), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 11:36:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 736 transitions. [2024-11-09 11:36:43,840 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 736 transitions. Word has length 202 [2024-11-09 11:36:43,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:43,841 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 736 transitions. [2024-11-09 11:36:43,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 736 transitions. [2024-11-09 11:36:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-09 11:36:43,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:43,842 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:43,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:44,043 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,SelfDestructingSolverStorable33 [2024-11-09 11:36:44,043 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:44,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1484125587, now seen corresponding path program 1 times [2024-11-09 11:36:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:44,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873765050] [2024-11-09 11:36:44,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:44,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522669841] [2024-11-09 11:36:44,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:44,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:44,087 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:44,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:36:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:44,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:36:44,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:36:44,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:44,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873765050] [2024-11-09 11:36:44,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522669841] [2024-11-09 11:36:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522669841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:44,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:44,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:36:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249378091] [2024-11-09 11:36:44,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:44,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:36:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:44,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:36:44,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:36:44,404 INFO L87 Difference]: Start difference. First operand 599 states and 736 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:44,539 INFO L93 Difference]: Finished difference Result 686 states and 760 transitions. [2024-11-09 11:36:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:36:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2024-11-09 11:36:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:44,542 INFO L225 Difference]: With dead ends: 686 [2024-11-09 11:36:44,542 INFO L226 Difference]: Without dead ends: 685 [2024-11-09 11:36:44,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:36:44,543 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 185 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:44,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 697 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:36:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-09 11:36:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 599. [2024-11-09 11:36:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 477 states have (on average 1.3941299790356394) internal successors, (665), 560 states have internal predecessors, (665), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 11:36:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 735 transitions. [2024-11-09 11:36:44,572 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 735 transitions. Word has length 202 [2024-11-09 11:36:44,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:44,572 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 735 transitions. [2024-11-09 11:36:44,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:36:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 735 transitions. [2024-11-09 11:36:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-09 11:36:44,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:44,574 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:44,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:44,774 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,SelfDestructingSolverStorable34 [2024-11-09 11:36:44,775 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:44,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2141717048, now seen corresponding path program 2 times [2024-11-09 11:36:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944726386] [2024-11-09 11:36:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:36:44,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [894040411] [2024-11-09 11:36:44,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:36:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:44,805 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:44,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:36:44,893 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:36:44,893 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:36:44,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:36:44,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:45,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:45,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:45,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944726386] [2024-11-09 11:36:45,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:36:45,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894040411] [2024-11-09 11:36:45,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894040411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:45,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:36:45,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:36:45,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473712500] [2024-11-09 11:36:45,977 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:45,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:36:45,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:45,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:36:45,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:36:45,978 INFO L87 Difference]: Start difference. First operand 599 states and 735 transitions. Second operand has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:36:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:47,102 INFO L93 Difference]: Finished difference Result 641 states and 759 transitions. [2024-11-09 11:36:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:36:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 209 [2024-11-09 11:36:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:47,105 INFO L225 Difference]: With dead ends: 641 [2024-11-09 11:36:47,105 INFO L226 Difference]: Without dead ends: 619 [2024-11-09 11:36:47,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:36:47,106 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:47,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 557 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:36:47,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-09 11:36:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 607. [2024-11-09 11:36:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 485 states have (on average 1.3484536082474228) internal successors, (654), 567 states have internal predecessors, (654), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 11:36:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 724 transitions. [2024-11-09 11:36:47,139 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 724 transitions. Word has length 209 [2024-11-09 11:36:47,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:47,139 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 724 transitions. [2024-11-09 11:36:47,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:36:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 724 transitions. [2024-11-09 11:36:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-09 11:36:47,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:47,141 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:47,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 11:36:47,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:47,345 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:47,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1968718957, now seen corresponding path program 2 times [2024-11-09 11:36:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:47,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148179291] [2024-11-09 11:36:47,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 11:36:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 11:36:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 11:36:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:47,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148179291] [2024-11-09 11:36:47,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148179291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296258104] [2024-11-09 11:36:47,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:36:47,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:47,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:47,549 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:47,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:36:47,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:36:47,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:36:47,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:36:47,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:48,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:48,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296258104] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:48,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:36:48,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 11:36:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038163320] [2024-11-09 11:36:48,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:48,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:36:48,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:48,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:36:48,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:36:48,307 INFO L87 Difference]: Start difference. First operand 607 states and 724 transitions. Second operand has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-09 11:36:50,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:50,181 INFO L93 Difference]: Finished difference Result 607 states and 724 transitions. [2024-11-09 11:36:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:36:50,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2024-11-09 11:36:50,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:50,187 INFO L225 Difference]: With dead ends: 607 [2024-11-09 11:36:50,187 INFO L226 Difference]: Without dead ends: 600 [2024-11-09 11:36:50,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:36:50,188 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 731 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:50,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 588 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 11:36:50,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-09 11:36:50,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-11-09 11:36:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 485 states have (on average 1.3216494845360824) internal successors, (641), 560 states have internal predecessors, (641), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 11:36:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 711 transitions. [2024-11-09 11:36:50,227 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 711 transitions. Word has length 210 [2024-11-09 11:36:50,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:50,227 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 711 transitions. [2024-11-09 11:36:50,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-09 11:36:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 711 transitions. [2024-11-09 11:36:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-09 11:36:50,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:50,229 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:36:50,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 11:36:50,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:50,430 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:50,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:50,431 INFO L85 PathProgramCache]: Analyzing trace with hash -900745430, now seen corresponding path program 2 times [2024-11-09 11:36:50,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:50,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767291895] [2024-11-09 11:36:50,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:50,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 11:36:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 11:36:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 11:36:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:50,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:50,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767291895] [2024-11-09 11:36:50,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767291895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:50,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709788135] [2024-11-09 11:36:50,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:36:50,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:50,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:50,675 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:50,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:36:50,754 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:36:50,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:36:50,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:36:50,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:51,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:51,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709788135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:36:51,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:36:51,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 11:36:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458051650] [2024-11-09 11:36:51,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:51,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:36:51,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:51,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:36:51,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:36:51,288 INFO L87 Difference]: Start difference. First operand 600 states and 711 transitions. Second operand has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-09 11:36:52,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:36:52,575 INFO L93 Difference]: Finished difference Result 660 states and 756 transitions. [2024-11-09 11:36:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:36:52,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 211 [2024-11-09 11:36:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:36:52,577 INFO L225 Difference]: With dead ends: 660 [2024-11-09 11:36:52,577 INFO L226 Difference]: Without dead ends: 658 [2024-11-09 11:36:52,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:36:52,578 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 502 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:36:52,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 658 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:36:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-09 11:36:52,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 625. [2024-11-09 11:36:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 507 states have (on average 1.309664694280079) internal successors, (664), 582 states have internal predecessors, (664), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:36:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 740 transitions. [2024-11-09 11:36:52,615 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 740 transitions. Word has length 211 [2024-11-09 11:36:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:36:52,616 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 740 transitions. [2024-11-09 11:36:52,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-09 11:36:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 740 transitions. [2024-11-09 11:36:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-09 11:36:52,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:36:52,619 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:36:52,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:36:52,820 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,SelfDestructingSolverStorable37 [2024-11-09 11:36:52,820 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:36:52,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:36:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1967038604, now seen corresponding path program 1 times [2024-11-09 11:36:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:36:52,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516617057] [2024-11-09 11:36:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:52,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:36:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:36:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:36:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:36:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:36:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 11:36:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:36:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:36:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 11:36:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:36:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 11:36:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 11:36:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-09 11:36:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 11:36:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:53,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:36:53,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516617057] [2024-11-09 11:36:53,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516617057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:53,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327776065] [2024-11-09 11:36:53,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:36:53,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:36:53,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:36:53,140 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:36:53,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:36:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:36:53,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:36:53,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:36:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:36:53,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:36:53,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327776065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:36:53,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:36:53,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-09 11:36:53,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922406493] [2024-11-09 11:36:53,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:36:53,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:36:53,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:36:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:36:53,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:36:53,792 INFO L87 Difference]: Start difference. First operand 625 states and 740 transitions. Second operand has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-09 11:37:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:03,045 INFO L93 Difference]: Finished difference Result 632 states and 743 transitions. [2024-11-09 11:37:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:37:03,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 213 [2024-11-09 11:37:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:03,051 INFO L225 Difference]: With dead ends: 632 [2024-11-09 11:37:03,051 INFO L226 Difference]: Without dead ends: 620 [2024-11-09 11:37:03,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:37:03,056 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 602 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:03,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 777 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1654 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2024-11-09 11:37:03,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-09 11:37:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2024-11-09 11:37:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 509 states have (on average 1.280943025540275) internal successors, (652), 576 states have internal predecessors, (652), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:37:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 728 transitions. [2024-11-09 11:37:03,100 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 728 transitions. Word has length 213 [2024-11-09 11:37:03,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:03,101 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 728 transitions. [2024-11-09 11:37:03,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-09 11:37:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 728 transitions. [2024-11-09 11:37:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 11:37:03,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:03,103 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:37:03,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:37:03,307 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,SelfDestructingSolverStorable38 [2024-11-09 11:37:03,307 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:37:03,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash -486636487, now seen corresponding path program 1 times [2024-11-09 11:37:03,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:03,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257546736] [2024-11-09 11:37:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:03,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:03,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058692855] [2024-11-09 11:37:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:03,351 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:03,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:37:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:03,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:37:03,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:37:04,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:37:04,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:04,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257546736] [2024-11-09 11:37:04,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:04,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058692855] [2024-11-09 11:37:04,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058692855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:37:04,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:37:04,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:37:04,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216928981] [2024-11-09 11:37:04,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:04,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:37:04,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:04,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:37:04,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:37:04,569 INFO L87 Difference]: Start difference. First operand 620 states and 728 transitions. Second operand has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-09 11:37:06,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:37:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:14,800 INFO L93 Difference]: Finished difference Result 1013 states and 1271 transitions. [2024-11-09 11:37:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:37:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 216 [2024-11-09 11:37:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:14,803 INFO L225 Difference]: With dead ends: 1013 [2024-11-09 11:37:14,803 INFO L226 Difference]: Without dead ends: 929 [2024-11-09 11:37:14,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:37:14,804 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 730 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 3599 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 3677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:14,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1164 Invalid, 3677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3599 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 11:37:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2024-11-09 11:37:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 724. [2024-11-09 11:37:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.301980198019802) internal successors, (789), 673 states have internal predecessors, (789), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 879 transitions. [2024-11-09 11:37:14,826 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 879 transitions. Word has length 216 [2024-11-09 11:37:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:14,826 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 879 transitions. [2024-11-09 11:37:14,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-09 11:37:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 879 transitions. [2024-11-09 11:37:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-09 11:37:14,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:14,827 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:14,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:37:15,027 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 [2024-11-09 11:37:15,028 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:37:15,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash 220417783, now seen corresponding path program 2 times [2024-11-09 11:37:15,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:15,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781167165] [2024-11-09 11:37:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:15,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369959297] [2024-11-09 11:37:15,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:37:15,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:15,055 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:15,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:37:15,126 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:37:15,127 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:37:15,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:37:15,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 11:37:15,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:16,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781167165] [2024-11-09 11:37:16,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369959297] [2024-11-09 11:37:16,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369959297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:16,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:16,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:37:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074145428] [2024-11-09 11:37:16,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:16,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:37:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:37:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:37:16,448 INFO L87 Difference]: Start difference. First operand 724 states and 879 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:37:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:18,646 INFO L93 Difference]: Finished difference Result 725 states and 879 transitions. [2024-11-09 11:37:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:37:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 258 [2024-11-09 11:37:18,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:18,649 INFO L225 Difference]: With dead ends: 725 [2024-11-09 11:37:18,649 INFO L226 Difference]: Without dead ends: 723 [2024-11-09 11:37:18,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:37:18,649 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 659 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:18,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 190 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 11:37:18,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-09 11:37:18,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 722. [2024-11-09 11:37:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 606 states have (on average 1.2920792079207921) internal successors, (783), 671 states have internal predecessors, (783), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 873 transitions. [2024-11-09 11:37:18,679 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 873 transitions. Word has length 258 [2024-11-09 11:37:18,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:18,679 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 873 transitions. [2024-11-09 11:37:18,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:37:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 873 transitions. [2024-11-09 11:37:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-09 11:37:18,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:18,681 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:18,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:37:18,882 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 [2024-11-09 11:37:18,882 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:37:18,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1756983135, now seen corresponding path program 2 times [2024-11-09 11:37:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353581339] [2024-11-09 11:37:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:18,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655225518] [2024-11-09 11:37:18,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:37:18,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:18,914 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:18,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:37:19,025 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:37:19,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:37:19,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:37:19,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 11:37:19,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:20,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:20,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353581339] [2024-11-09 11:37:20,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655225518] [2024-11-09 11:37:20,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655225518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:20,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:20,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:37:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499142429] [2024-11-09 11:37:20,510 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:20,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:37:20,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:20,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:37:20,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:37:20,512 INFO L87 Difference]: Start difference. First operand 722 states and 873 transitions. Second operand has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:37:22,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:22,152 INFO L93 Difference]: Finished difference Result 729 states and 873 transitions. [2024-11-09 11:37:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:37:22,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 259 [2024-11-09 11:37:22,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:22,155 INFO L225 Difference]: With dead ends: 729 [2024-11-09 11:37:22,155 INFO L226 Difference]: Without dead ends: 728 [2024-11-09 11:37:22,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:37:22,156 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 118 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:22,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 720 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:37:22,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-09 11:37:22,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 722. [2024-11-09 11:37:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 606 states have (on average 1.2904290429042904) internal successors, (782), 671 states have internal predecessors, (782), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 872 transitions. [2024-11-09 11:37:22,177 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 872 transitions. Word has length 259 [2024-11-09 11:37:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:22,177 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 872 transitions. [2024-11-09 11:37:22,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:37:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 872 transitions. [2024-11-09 11:37:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-09 11:37:22,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:22,179 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:22,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:37:22,382 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 [2024-11-09 11:37:22,383 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 11:37:22,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash 482046331, now seen corresponding path program 2 times [2024-11-09 11:37:22,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:22,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464416647] [2024-11-09 11:37:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:22,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852898642] [2024-11-09 11:37:22,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:37:22,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:22,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:22,411 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:22,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:37:22,565 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:37:22,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:37:22,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:37:22,573 INFO L278 TraceCheckSpWp]: Computing forward predicates...