./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/termination-numeric/twisted.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:00:12,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:00:12,987 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 04:00:12,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:00:12,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:00:13,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:00:13,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:00:13,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:00:13,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:00:13,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:00:13,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:00:13,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:00:13,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:00:13,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:00:13,032 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:00:13,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:00:13,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:00:13,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:00:13,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:00:13,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:00:13,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:00:13,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:00:13,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:00:13,039 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:00:13,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:00:13,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:00:13,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:00:13,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:00:13,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:00:13,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:00:13,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:00:13,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:00:13,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:00:13,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:00:13,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:00:13,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:00:13,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:00:13,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:00:13,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:00:13,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:00:13,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:00:13,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2024-11-17 04:00:13,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:00:13,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:00:13,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:00:13,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:00:13,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:00:13,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/twisted.c [2024-11-17 04:00:14,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:00:15,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:00:15,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/twisted.c [2024-11-17 04:00:15,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816e2efef/5b4757420a8e43e2b41912031511b538/FLAGe51df53a5 [2024-11-17 04:00:15,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816e2efef/5b4757420a8e43e2b41912031511b538 [2024-11-17 04:00:15,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:00:15,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:00:15,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:00:15,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:00:15,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:00:15,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dd7fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15, skipping insertion in model container [2024-11-17 04:00:15,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:00:15,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:00:15,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:00:15,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:00:15,328 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:00:15,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15 WrapperNode [2024-11-17 04:00:15,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:00:15,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:00:15,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:00:15,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:00:15,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,387 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-17 04:00:15,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:00:15,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:00:15,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:00:15,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:00:15,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,402 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 04:00:15,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:00:15,407 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:00:15,407 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:00:15,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:00:15,408 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (1/1) ... [2024-11-17 04:00:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:00:15,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:15,439 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) [2024-11-17 04:00:15,442 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 [2024-11-17 04:00:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:00:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:00:15,526 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:00:15,529 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:00:15,649 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L24: havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;havoc main_#t~ret4#1; [2024-11-17 04:00:15,657 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-17 04:00:15,657 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:00:15,674 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:00:15,676 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:00:15,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:00:15 BoogieIcfgContainer [2024-11-17 04:00:15,677 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:00:15,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:00:15,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:00:15,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:00:15,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:00:15" (1/3) ... [2024-11-17 04:00:15,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c816979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:00:15, skipping insertion in model container [2024-11-17 04:00:15,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:00:15" (2/3) ... [2024-11-17 04:00:15,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c816979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:00:15, skipping insertion in model container [2024-11-17 04:00:15,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:00:15" (3/3) ... [2024-11-17 04:00:15,686 INFO L112 eAbstractionObserver]: Analyzing ICFG twisted.c [2024-11-17 04:00:15,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:00:15,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 04:00:15,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:00:15,758 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;@fecb517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:00:15,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 04:00:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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) [2024-11-17 04:00:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:00:15,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:15,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:15,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:15,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:15,774 INFO L85 PathProgramCache]: Analyzing trace with hash 31458182, now seen corresponding path program 1 times [2024-11-17 04:00:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219839264] [2024-11-17 04:00:15,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:15,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:15,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:15,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219839264] [2024-11-17 04:00:15,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219839264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:15,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:15,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:15,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088337265] [2024-11-17 04:00:15,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:00:16,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:00:16,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,027 INFO L87 Difference]: Start difference. First operand has 31 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-17 04:00:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,101 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2024-11-17 04:00:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:00:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2024-11-17 04:00:16,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,112 INFO L225 Difference]: With dead ends: 59 [2024-11-17 04:00:16,112 INFO L226 Difference]: Without dead ends: 25 [2024-11-17 04:00:16,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,119 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 37 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:16,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-17 04:00:16,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-17 04:00:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 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) [2024-11-17 04:00:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-17 04:00:16,155 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2024-11-17 04:00:16,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,155 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-17 04:00:16,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-17 04:00:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-17 04:00:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:00:16,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:00:16,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,159 INFO L85 PathProgramCache]: Analyzing trace with hash 975203644, now seen corresponding path program 1 times [2024-11-17 04:00:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883317080] [2024-11-17 04:00:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883317080] [2024-11-17 04:00:16,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883317080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:16,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:16,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:16,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251019965] [2024-11-17 04:00:16,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:00:16,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:00:16,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,241 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-17 04:00:16,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,305 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-17 04:00:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:00:16,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-17 04:00:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,310 INFO L225 Difference]: With dead ends: 45 [2024-11-17 04:00:16,310 INFO L226 Difference]: Without dead ends: 44 [2024-11-17 04:00:16,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,312 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 15 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:16,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-17 04:00:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2024-11-17 04:00:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 38 states have internal predecessors, (47), 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) [2024-11-17 04:00:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2024-11-17 04:00:16,319 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 8 [2024-11-17 04:00:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,319 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2024-11-17 04:00:16,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-17 04:00:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-11-17 04:00:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:00:16,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,321 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:00:16,321 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1068076403, now seen corresponding path program 1 times [2024-11-17 04:00:16,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040055326] [2024-11-17 04:00:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040055326] [2024-11-17 04:00:16,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040055326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:16,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:16,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:00:16,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039452014] [2024-11-17 04:00:16,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:00:16,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:00:16,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:16,400 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-17 04:00:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,440 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-11-17 04:00:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:00:16,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-17 04:00:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,443 INFO L225 Difference]: With dead ends: 50 [2024-11-17 04:00:16,443 INFO L226 Difference]: Without dead ends: 49 [2024-11-17 04:00:16,444 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 [2024-11-17 04:00:16,445 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-17 04:00:16,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-11-17 04:00:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 47 states have internal predecessors, (58), 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) [2024-11-17 04:00:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-11-17 04:00:16,453 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 11 [2024-11-17 04:00:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,454 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-11-17 04:00:16,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-17 04:00:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2024-11-17 04:00:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:00:16,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:00:16,455 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1068076474, now seen corresponding path program 1 times [2024-11-17 04:00:16,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898085697] [2024-11-17 04:00:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898085697] [2024-11-17 04:00:16,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898085697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:16,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:16,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:16,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941908848] [2024-11-17 04:00:16,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:00:16,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:00:16,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,511 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-17 04:00:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,538 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-17 04:00:16,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:00:16,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-17 04:00:16,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,540 INFO L225 Difference]: With dead ends: 48 [2024-11-17 04:00:16,540 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 04:00:16,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,541 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 36 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 04:00:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-17 04:00:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 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) [2024-11-17 04:00:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-17 04:00:16,550 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 11 [2024-11-17 04:00:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,550 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-17 04:00:16,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-17 04:00:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-17 04:00:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:00:16,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:00:16,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1249369899, now seen corresponding path program 1 times [2024-11-17 04:00:16,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044557596] [2024-11-17 04:00:16,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044557596] [2024-11-17 04:00:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044557596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:16,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:16,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:00:16,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830786595] [2024-11-17 04:00:16,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:00:16,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:00:16,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:16,628 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-17 04:00:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,664 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2024-11-17 04:00:16,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:00:16,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-17 04:00:16,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,665 INFO L225 Difference]: With dead ends: 49 [2024-11-17 04:00:16,665 INFO L226 Difference]: Without dead ends: 46 [2024-11-17 04:00:16,666 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 [2024-11-17 04:00:16,667 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:16,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-17 04:00:16,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-17 04:00:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 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) [2024-11-17 04:00:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-11-17 04:00:16,684 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 12 [2024-11-17 04:00:16,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,684 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-11-17 04:00:16,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-17 04:00:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-11-17 04:00:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:00:16,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,685 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:00:16,686 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1249367689, now seen corresponding path program 1 times [2024-11-17 04:00:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210871500] [2024-11-17 04:00:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210871500] [2024-11-17 04:00:16,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210871500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:16,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:16,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:16,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004017654] [2024-11-17 04:00:16,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:00:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:00:16,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,756 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 04:00:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:16,789 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2024-11-17 04:00:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:00:16,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-17 04:00:16,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:16,792 INFO L225 Difference]: With dead ends: 68 [2024-11-17 04:00:16,792 INFO L226 Difference]: Without dead ends: 67 [2024-11-17 04:00:16,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:00:16,794 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:16,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 54 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-17 04:00:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2024-11-17 04:00:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 61 states have internal predecessors, (74), 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) [2024-11-17 04:00:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2024-11-17 04:00:16,801 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 12 [2024-11-17 04:00:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:16,802 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2024-11-17 04:00:16,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 04:00:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2024-11-17 04:00:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:00:16,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:16,803 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:16,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:00:16,803 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:16,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1862533289, now seen corresponding path program 1 times [2024-11-17 04:00:16,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:16,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332796487] [2024-11-17 04:00:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:16,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332796487] [2024-11-17 04:00:16,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332796487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:16,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594888644] [2024-11-17 04:00:16,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:16,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:16,886 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) [2024-11-17 04:00:16,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:00:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:16,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:00:16,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:16,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:17,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594888644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:17,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:17,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 04:00:17,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926011217] [2024-11-17 04:00:17,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:17,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:00:17,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:00:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:00:17,075 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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) [2024-11-17 04:00:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:17,185 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2024-11-17 04:00:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:00:17,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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 14 [2024-11-17 04:00:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:17,189 INFO L225 Difference]: With dead ends: 161 [2024-11-17 04:00:17,189 INFO L226 Difference]: Without dead ends: 160 [2024-11-17 04:00:17,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:00:17,191 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 72 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:17,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 93 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-17 04:00:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 118. [2024-11-17 04:00:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 114 states have (on average 1.280701754385965) internal successors, (146), 117 states have internal predecessors, (146), 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) [2024-11-17 04:00:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 146 transitions. [2024-11-17 04:00:17,206 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 146 transitions. Word has length 14 [2024-11-17 04:00:17,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:17,206 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 146 transitions. [2024-11-17 04:00:17,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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) [2024-11-17 04:00:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2024-11-17 04:00:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:00:17,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:17,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:17,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:17,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:17,414 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:17,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1888715084, now seen corresponding path program 1 times [2024-11-17 04:00:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:17,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831320374] [2024-11-17 04:00:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:17,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:17,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831320374] [2024-11-17 04:00:17,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831320374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:17,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:17,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:00:17,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496000387] [2024-11-17 04:00:17,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:17,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:00:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:17,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:00:17,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:00:17,505 INFO L87 Difference]: Start difference. First operand 118 states and 146 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-17 04:00:17,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:17,561 INFO L93 Difference]: Finished difference Result 121 states and 149 transitions. [2024-11-17 04:00:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:00:17,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2024-11-17 04:00:17,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:17,564 INFO L225 Difference]: With dead ends: 121 [2024-11-17 04:00:17,564 INFO L226 Difference]: Without dead ends: 120 [2024-11-17 04:00:17,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:00:17,566 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:17,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 58 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-17 04:00:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-17 04:00:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 115 states have (on average 1.2782608695652173) internal successors, (147), 118 states have internal predecessors, (147), 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) [2024-11-17 04:00:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 147 transitions. [2024-11-17 04:00:17,581 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 147 transitions. Word has length 15 [2024-11-17 04:00:17,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:17,582 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 147 transitions. [2024-11-17 04:00:17,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-17 04:00:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2024-11-17 04:00:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:00:17,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:17,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:17,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:00:17,583 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:17,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1579374516, now seen corresponding path program 1 times [2024-11-17 04:00:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:17,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442452501] [2024-11-17 04:00:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:17,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:17,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442452501] [2024-11-17 04:00:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442452501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:17,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:17,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:00:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401438956] [2024-11-17 04:00:17,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:17,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:00:17,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:00:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:00:17,645 INFO L87 Difference]: Start difference. First operand 119 states and 147 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-17 04:00:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:17,692 INFO L93 Difference]: Finished difference Result 122 states and 149 transitions. [2024-11-17 04:00:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:00:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2024-11-17 04:00:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:17,694 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:00:17,694 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:00:17,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:00:17,694 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:17,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 44 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:00:17,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2024-11-17 04:00:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 114 states have internal predecessors, (142), 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) [2024-11-17 04:00:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 142 transitions. [2024-11-17 04:00:17,710 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 142 transitions. Word has length 16 [2024-11-17 04:00:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:17,710 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 142 transitions. [2024-11-17 04:00:17,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-17 04:00:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2024-11-17 04:00:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:00:17,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:17,711 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:17,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:00:17,712 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:17,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1079010968, now seen corresponding path program 1 times [2024-11-17 04:00:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:17,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633574537] [2024-11-17 04:00:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:17,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:17,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633574537] [2024-11-17 04:00:17,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633574537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:17,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082963249] [2024-11-17 04:00:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:17,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:17,766 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) [2024-11-17 04:00:17,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:00:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:17,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:00:17,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:17,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:00:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082963249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:00:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:00:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781967136] [2024-11-17 04:00:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:17,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:00:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:00:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:00:17,919 INFO L87 Difference]: Start difference. First operand 115 states and 142 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-17 04:00:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:17,982 INFO L93 Difference]: Finished difference Result 136 states and 167 transitions. [2024-11-17 04:00:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:00:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-17 04:00:17,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:17,984 INFO L225 Difference]: With dead ends: 136 [2024-11-17 04:00:17,984 INFO L226 Difference]: Without dead ends: 135 [2024-11-17 04:00:17,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:00:17,985 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:17,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 57 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:17,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-17 04:00:17,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2024-11-17 04:00:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.2713178294573644) internal successors, (164), 132 states have internal predecessors, (164), 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) [2024-11-17 04:00:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2024-11-17 04:00:18,000 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 17 [2024-11-17 04:00:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:18,000 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2024-11-17 04:00:18,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-17 04:00:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2024-11-17 04:00:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:00:18,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:18,001 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:18,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:00:18,206 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,SelfDestructingSolverStorable9 [2024-11-17 04:00:18,207 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:18,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:18,208 INFO L85 PathProgramCache]: Analyzing trace with hash -910398384, now seen corresponding path program 1 times [2024-11-17 04:00:18,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:18,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73459915] [2024-11-17 04:00:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:18,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73459915] [2024-11-17 04:00:18,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73459915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547488636] [2024-11-17 04:00:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:18,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:18,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:18,277 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) [2024-11-17 04:00:18,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:00:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:00:18,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:18,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:18,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547488636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:18,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:18,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-17 04:00:18,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030699699] [2024-11-17 04:00:18,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:18,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:00:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:18,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:00:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:00:18,502 INFO L87 Difference]: Start difference. First operand 133 states and 164 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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) [2024-11-17 04:00:18,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:18,608 INFO L93 Difference]: Finished difference Result 178 states and 220 transitions. [2024-11-17 04:00:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:00:18,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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 18 [2024-11-17 04:00:18,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:18,609 INFO L225 Difference]: With dead ends: 178 [2024-11-17 04:00:18,609 INFO L226 Difference]: Without dead ends: 169 [2024-11-17 04:00:18,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:00:18,610 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 30 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:18,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 82 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-17 04:00:18,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2024-11-17 04:00:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 157 states have (on average 1.267515923566879) internal successors, (199), 160 states have internal predecessors, (199), 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) [2024-11-17 04:00:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 199 transitions. [2024-11-17 04:00:18,629 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 199 transitions. Word has length 18 [2024-11-17 04:00:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:18,630 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 199 transitions. [2024-11-17 04:00:18,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 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) [2024-11-17 04:00:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2024-11-17 04:00:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:00:18,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:18,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:18,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:00:18,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:18,832 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:18,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash -910396174, now seen corresponding path program 1 times [2024-11-17 04:00:18,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:18,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329440084] [2024-11-17 04:00:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:18,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:18,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329440084] [2024-11-17 04:00:18,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329440084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:18,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373993576] [2024-11-17 04:00:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:18,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:18,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:18,899 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) [2024-11-17 04:00:18,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:00:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:00:18,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:18,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:19,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373993576] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:19,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:19,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 04:00:19,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279391334] [2024-11-17 04:00:19,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:19,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:00:19,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:19,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:00:19,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:00:19,024 INFO L87 Difference]: Start difference. First operand 161 states and 199 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-11-17 04:00:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:19,080 INFO L93 Difference]: Finished difference Result 408 states and 519 transitions. [2024-11-17 04:00:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:00:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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 18 [2024-11-17 04:00:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:19,082 INFO L225 Difference]: With dead ends: 408 [2024-11-17 04:00:19,083 INFO L226 Difference]: Without dead ends: 407 [2024-11-17 04:00:19,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:00:19,084 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 71 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:19,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 121 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:19,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-17 04:00:19,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 395. [2024-11-17 04:00:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 391 states have (on average 1.2531969309462916) internal successors, (490), 394 states have internal predecessors, (490), 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) [2024-11-17 04:00:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 490 transitions. [2024-11-17 04:00:19,097 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 490 transitions. Word has length 18 [2024-11-17 04:00:19,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:19,098 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 490 transitions. [2024-11-17 04:00:19,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-11-17 04:00:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 490 transitions. [2024-11-17 04:00:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:00:19,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:19,099 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:19,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:00:19,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:19,303 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:19,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:19,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1657774873, now seen corresponding path program 1 times [2024-11-17 04:00:19,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:19,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746155787] [2024-11-17 04:00:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:19,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:19,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:19,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746155787] [2024-11-17 04:00:19,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746155787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:19,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:19,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:19,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19004529] [2024-11-17 04:00:19,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:19,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:00:19,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:19,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:00:19,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:19,339 INFO L87 Difference]: Start difference. First operand 395 states and 490 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-17 04:00:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:19,381 INFO L93 Difference]: Finished difference Result 746 states and 933 transitions. [2024-11-17 04:00:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:00:19,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2024-11-17 04:00:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:19,384 INFO L225 Difference]: With dead ends: 746 [2024-11-17 04:00:19,384 INFO L226 Difference]: Without dead ends: 493 [2024-11-17 04:00:19,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:19,387 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:19,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 37 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:19,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-17 04:00:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 489. [2024-11-17 04:00:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 485 states have (on average 1.2268041237113403) internal successors, (595), 488 states have internal predecessors, (595), 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) [2024-11-17 04:00:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 595 transitions. [2024-11-17 04:00:19,411 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 595 transitions. Word has length 21 [2024-11-17 04:00:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:19,411 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 595 transitions. [2024-11-17 04:00:19,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-17 04:00:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 595 transitions. [2024-11-17 04:00:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:00:19,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:19,412 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:19,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:00:19,413 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:19,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1417977551, now seen corresponding path program 1 times [2024-11-17 04:00:19,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:19,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585353258] [2024-11-17 04:00:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:19,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585353258] [2024-11-17 04:00:19,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585353258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:19,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942379345] [2024-11-17 04:00:19,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:19,505 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) [2024-11-17 04:00:19,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:00:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:00:19,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:19,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:19,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942379345] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:19,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:19,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-17 04:00:19,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445236586] [2024-11-17 04:00:19,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:19,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:00:19,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:19,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:00:19,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:00:19,746 INFO L87 Difference]: Start difference. First operand 489 states and 595 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 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) [2024-11-17 04:00:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:19,834 INFO L93 Difference]: Finished difference Result 494 states and 599 transitions. [2024-11-17 04:00:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:00:19,835 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 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 22 [2024-11-17 04:00:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:19,837 INFO L225 Difference]: With dead ends: 494 [2024-11-17 04:00:19,837 INFO L226 Difference]: Without dead ends: 489 [2024-11-17 04:00:19,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:00:19,839 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 22 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:19,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 73 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-17 04:00:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-17 04:00:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 485 states have (on average 1.220618556701031) internal successors, (592), 488 states have internal predecessors, (592), 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) [2024-11-17 04:00:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 592 transitions. [2024-11-17 04:00:19,863 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 592 transitions. Word has length 22 [2024-11-17 04:00:19,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:19,863 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 592 transitions. [2024-11-17 04:00:19,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 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) [2024-11-17 04:00:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 592 transitions. [2024-11-17 04:00:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 04:00:19,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:19,868 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:19,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:00:20,069 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,SelfDestructingSolverStorable13 [2024-11-17 04:00:20,069 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:20,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:20,070 INFO L85 PathProgramCache]: Analyzing trace with hash 370672349, now seen corresponding path program 1 times [2024-11-17 04:00:20,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:20,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650169322] [2024-11-17 04:00:20,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:20,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:20,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:20,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650169322] [2024-11-17 04:00:20,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650169322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:20,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541351480] [2024-11-17 04:00:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:20,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:20,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:20,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:20,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:00:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:20,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:00:20,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:20,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:00:20,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541351480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:20,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:00:20,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-17 04:00:20,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061870958] [2024-11-17 04:00:20,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:20,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:00:20,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:20,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:00:20,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:00:20,330 INFO L87 Difference]: Start difference. First operand 489 states and 592 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 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) [2024-11-17 04:00:20,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:20,445 INFO L93 Difference]: Finished difference Result 902 states and 1113 transitions. [2024-11-17 04:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:00:20,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2024-11-17 04:00:20,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:20,448 INFO L225 Difference]: With dead ends: 902 [2024-11-17 04:00:20,448 INFO L226 Difference]: Without dead ends: 901 [2024-11-17 04:00:20,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:00:20,452 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:20,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 91 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:20,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-17 04:00:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 815. [2024-11-17 04:00:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 811 states have (on average 1.2318125770653514) internal successors, (999), 814 states have internal predecessors, (999), 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) [2024-11-17 04:00:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 999 transitions. [2024-11-17 04:00:20,480 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 999 transitions. Word has length 23 [2024-11-17 04:00:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:20,480 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 999 transitions. [2024-11-17 04:00:20,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 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) [2024-11-17 04:00:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 999 transitions. [2024-11-17 04:00:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:00:20,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:20,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:20,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:00:20,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:00:20,683 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:20,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:20,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1394059093, now seen corresponding path program 1 times [2024-11-17 04:00:20,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:20,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733888960] [2024-11-17 04:00:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:20,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:20,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:20,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733888960] [2024-11-17 04:00:20,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733888960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:20,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104381412] [2024-11-17 04:00:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:20,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:20,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:20,756 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) [2024-11-17 04:00:20,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:00:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:20,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:00:20,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:20,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:21,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104381412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:21,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:21,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-17 04:00:21,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357500501] [2024-11-17 04:00:21,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:21,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:00:21,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:21,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:00:21,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:00:21,020 INFO L87 Difference]: Start difference. First operand 815 states and 999 transitions. Second operand has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 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) [2024-11-17 04:00:21,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:21,185 INFO L93 Difference]: Finished difference Result 942 states and 1156 transitions. [2024-11-17 04:00:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:00:21,185 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 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 24 [2024-11-17 04:00:21,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:21,189 INFO L225 Difference]: With dead ends: 942 [2024-11-17 04:00:21,189 INFO L226 Difference]: Without dead ends: 931 [2024-11-17 04:00:21,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:00:21,190 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 35 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:21,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 114 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-17 04:00:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 924. [2024-11-17 04:00:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 920 states have (on average 1.2206521739130434) internal successors, (1123), 923 states have internal predecessors, (1123), 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) [2024-11-17 04:00:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1123 transitions. [2024-11-17 04:00:21,221 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1123 transitions. Word has length 24 [2024-11-17 04:00:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1123 transitions. [2024-11-17 04:00:21,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 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) [2024-11-17 04:00:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1123 transitions. [2024-11-17 04:00:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:00:21,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:21,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:21,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:00:21,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:21,424 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:21,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:21,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1370117247, now seen corresponding path program 1 times [2024-11-17 04:00:21,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340474609] [2024-11-17 04:00:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:21,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:21,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340474609] [2024-11-17 04:00:21,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340474609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:21,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:00:21,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:00:21,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165812015] [2024-11-17 04:00:21,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:21,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:00:21,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:21,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:00:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:21,453 INFO L87 Difference]: Start difference. First operand 924 states and 1123 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-17 04:00:21,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:21,490 INFO L93 Difference]: Finished difference Result 1436 states and 1742 transitions. [2024-11-17 04:00:21,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:00:21,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2024-11-17 04:00:21,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:21,493 INFO L225 Difference]: With dead ends: 1436 [2024-11-17 04:00:21,493 INFO L226 Difference]: Without dead ends: 700 [2024-11-17 04:00:21,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:00:21,498 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:21,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 41 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-17 04:00:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 497. [2024-11-17 04:00:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 494 states have (on average 1.1821862348178138) internal successors, (584), 496 states have internal predecessors, (584), 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) [2024-11-17 04:00:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 584 transitions. [2024-11-17 04:00:21,519 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 584 transitions. Word has length 27 [2024-11-17 04:00:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:21,519 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 584 transitions. [2024-11-17 04:00:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-17 04:00:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 584 transitions. [2024-11-17 04:00:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:00:21,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:21,520 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:21,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:00:21,521 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:21,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:21,521 INFO L85 PathProgramCache]: Analyzing trace with hash 876090977, now seen corresponding path program 2 times [2024-11-17 04:00:21,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:21,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452630063] [2024-11-17 04:00:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:21,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452630063] [2024-11-17 04:00:21,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452630063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:21,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505670357] [2024-11-17 04:00:21,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:21,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:21,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:21,669 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) [2024-11-17 04:00:21,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:00:21,710 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:21,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:21,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:00:21,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:21,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:22,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505670357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:22,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:22,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-17 04:00:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390653641] [2024-11-17 04:00:22,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:22,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:00:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:00:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:00:22,071 INFO L87 Difference]: Start difference. First operand 497 states and 584 transitions. Second operand has 29 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 29 states have internal predecessors, (106), 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) [2024-11-17 04:00:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:22,324 INFO L93 Difference]: Finished difference Result 668 states and 782 transitions. [2024-11-17 04:00:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 04:00:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 29 states have internal predecessors, (106), 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 36 [2024-11-17 04:00:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:22,327 INFO L225 Difference]: With dead ends: 668 [2024-11-17 04:00:22,327 INFO L226 Difference]: Without dead ends: 655 [2024-11-17 04:00:22,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=866, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:00:22,328 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 100 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:22,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 139 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-17 04:00:22,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 635. [2024-11-17 04:00:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 632 states have (on average 1.1629746835443038) internal successors, (735), 634 states have internal predecessors, (735), 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) [2024-11-17 04:00:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 735 transitions. [2024-11-17 04:00:22,351 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 735 transitions. Word has length 36 [2024-11-17 04:00:22,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:22,351 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 735 transitions. [2024-11-17 04:00:22,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 29 states have internal predecessors, (106), 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) [2024-11-17 04:00:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 735 transitions. [2024-11-17 04:00:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:00:22,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:22,352 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:22,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:00:22,553 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,SelfDestructingSolverStorable17 [2024-11-17 04:00:22,553 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:22,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:22,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1569165473, now seen corresponding path program 3 times [2024-11-17 04:00:22,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:22,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428632718] [2024-11-17 04:00:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:22,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:22,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428632718] [2024-11-17 04:00:22,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428632718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:22,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693072258] [2024-11-17 04:00:22,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:22,669 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) [2024-11-17 04:00:22,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:00:22,709 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:00:22,709 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:22,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:00:22,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:00:22,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:00:22,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693072258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:22,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:00:22,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-17 04:00:22,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859749810] [2024-11-17 04:00:22,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:22,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:00:22,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:22,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:00:22,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:00:22,815 INFO L87 Difference]: Start difference. First operand 635 states and 735 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-17 04:00:22,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:22,890 INFO L93 Difference]: Finished difference Result 780 states and 904 transitions. [2024-11-17 04:00:22,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:00:22,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 36 [2024-11-17 04:00:22,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:22,893 INFO L225 Difference]: With dead ends: 780 [2024-11-17 04:00:22,893 INFO L226 Difference]: Without dead ends: 549 [2024-11-17 04:00:22,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:00:22,917 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:22,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 91 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:22,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-17 04:00:22,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-11-17 04:00:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 546 states have (on average 1.1611721611721613) internal successors, (634), 548 states have internal predecessors, (634), 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) [2024-11-17 04:00:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 634 transitions. [2024-11-17 04:00:22,940 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 634 transitions. Word has length 36 [2024-11-17 04:00:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:22,941 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 634 transitions. [2024-11-17 04:00:22,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-17 04:00:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 634 transitions. [2024-11-17 04:00:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:00:22,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:22,942 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:22,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:00:23,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:23,147 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:23,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:23,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1041922749, now seen corresponding path program 1 times [2024-11-17 04:00:23,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:23,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209455281] [2024-11-17 04:00:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:23,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209455281] [2024-11-17 04:00:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209455281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981866020] [2024-11-17 04:00:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:23,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:23,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:23,256 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) [2024-11-17 04:00:23,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:00:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:23,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:00:23,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:23,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:23,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981866020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:23,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:23,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-17 04:00:23,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679379257] [2024-11-17 04:00:23,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:23,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:00:23,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:23,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:00:23,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:00:23,657 INFO L87 Difference]: Start difference. First operand 549 states and 634 transitions. Second operand has 29 states, 28 states have (on average 4.0) internal successors, (112), 29 states have internal predecessors, (112), 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) [2024-11-17 04:00:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:23,880 INFO L93 Difference]: Finished difference Result 684 states and 795 transitions. [2024-11-17 04:00:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:00:23,881 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.0) internal successors, (112), 29 states have internal predecessors, (112), 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 38 [2024-11-17 04:00:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:23,883 INFO L225 Difference]: With dead ends: 684 [2024-11-17 04:00:23,883 INFO L226 Difference]: Without dead ends: 671 [2024-11-17 04:00:23,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:00:23,884 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 69 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:23,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 156 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-17 04:00:23,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 633. [2024-11-17 04:00:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 630 states have (on average 1.1587301587301588) internal successors, (730), 632 states have internal predecessors, (730), 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) [2024-11-17 04:00:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 730 transitions. [2024-11-17 04:00:23,921 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 730 transitions. Word has length 38 [2024-11-17 04:00:23,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:23,922 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 730 transitions. [2024-11-17 04:00:23,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.0) internal successors, (112), 29 states have internal predecessors, (112), 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) [2024-11-17 04:00:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 730 transitions. [2024-11-17 04:00:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:00:23,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:23,923 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:23,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:00:24,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:24,124 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:24,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1916202626, now seen corresponding path program 1 times [2024-11-17 04:00:24,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:24,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528628699] [2024-11-17 04:00:24,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:24,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:00:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528628699] [2024-11-17 04:00:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528628699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024640247] [2024-11-17 04:00:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:24,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:24,249 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) [2024-11-17 04:00:24,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:00:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:00:24,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:00:24,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:00:24,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024640247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:24,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:24,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-17 04:00:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443522981] [2024-11-17 04:00:24,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:24,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:00:24,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:24,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:00:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:00:24,517 INFO L87 Difference]: Start difference. First operand 633 states and 730 transitions. Second operand has 22 states, 21 states have (on average 3.857142857142857) internal successors, (81), 22 states have internal predecessors, (81), 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) [2024-11-17 04:00:24,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:24,659 INFO L93 Difference]: Finished difference Result 1258 states and 1499 transitions. [2024-11-17 04:00:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:00:24,659 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.857142857142857) internal successors, (81), 22 states have internal predecessors, (81), 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 42 [2024-11-17 04:00:24,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:24,663 INFO L225 Difference]: With dead ends: 1258 [2024-11-17 04:00:24,664 INFO L226 Difference]: Without dead ends: 1257 [2024-11-17 04:00:24,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:00:24,665 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 229 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:24,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 219 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:24,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-17 04:00:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1231. [2024-11-17 04:00:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1228 states have (on average 1.1710097719869708) internal successors, (1438), 1230 states have internal predecessors, (1438), 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) [2024-11-17 04:00:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1438 transitions. [2024-11-17 04:00:24,714 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1438 transitions. Word has length 42 [2024-11-17 04:00:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:24,715 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1438 transitions. [2024-11-17 04:00:24,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.857142857142857) internal successors, (81), 22 states have internal predecessors, (81), 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) [2024-11-17 04:00:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1438 transitions. [2024-11-17 04:00:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:00:24,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:24,716 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:24,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:24,917 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,SelfDestructingSolverStorable20 [2024-11-17 04:00:24,917 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:24,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:24,918 INFO L85 PathProgramCache]: Analyzing trace with hash -741559563, now seen corresponding path program 1 times [2024-11-17 04:00:24,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:24,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10737740] [2024-11-17 04:00:24,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:24,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:25,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:25,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10737740] [2024-11-17 04:00:25,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10737740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:25,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195850332] [2024-11-17 04:00:25,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:25,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:25,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:25,165 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) [2024-11-17 04:00:25,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:00:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:25,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:00:25,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:25,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:25,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195850332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:25,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:25,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2024-11-17 04:00:25,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642317766] [2024-11-17 04:00:25,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:25,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-17 04:00:25,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:25,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-17 04:00:25,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=1306, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:00:25,785 INFO L87 Difference]: Start difference. First operand 1231 states and 1438 transitions. Second operand has 41 states, 40 states have (on average 3.85) internal successors, (154), 41 states have internal predecessors, (154), 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) [2024-11-17 04:00:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:26,195 INFO L93 Difference]: Finished difference Result 1670 states and 1947 transitions. [2024-11-17 04:00:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-17 04:00:26,198 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.85) internal successors, (154), 41 states have internal predecessors, (154), 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 52 [2024-11-17 04:00:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:26,202 INFO L225 Difference]: With dead ends: 1670 [2024-11-17 04:00:26,203 INFO L226 Difference]: Without dead ends: 1653 [2024-11-17 04:00:26,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=439, Invalid=1723, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 04:00:26,205 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 116 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:26,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 181 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:26,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-11-17 04:00:26,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1413. [2024-11-17 04:00:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1410 states have (on average 1.1680851063829787) internal successors, (1647), 1412 states have internal predecessors, (1647), 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) [2024-11-17 04:00:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1647 transitions. [2024-11-17 04:00:26,264 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1647 transitions. Word has length 52 [2024-11-17 04:00:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:26,264 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 1647 transitions. [2024-11-17 04:00:26,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.85) internal successors, (154), 41 states have internal predecessors, (154), 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) [2024-11-17 04:00:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1647 transitions. [2024-11-17 04:00:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:00:26,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:26,266 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:00:26,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:26,469 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,SelfDestructingSolverStorable21 [2024-11-17 04:00:26,470 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:26,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:26,471 INFO L85 PathProgramCache]: Analyzing trace with hash -377696230, now seen corresponding path program 1 times [2024-11-17 04:00:26,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:26,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637045055] [2024-11-17 04:00:26,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:26,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637045055] [2024-11-17 04:00:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637045055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278867282] [2024-11-17 04:00:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:26,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:26,599 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) [2024-11-17 04:00:26,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:00:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:26,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:00:26,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:26,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:26,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278867282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:26,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:26,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-17 04:00:26,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406803929] [2024-11-17 04:00:26,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:26,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:00:26,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:26,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:00:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:00:26,881 INFO L87 Difference]: Start difference. First operand 1413 states and 1647 transitions. Second operand has 22 states, 21 states have (on average 4.904761904761905) internal successors, (103), 22 states have internal predecessors, (103), 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) [2024-11-17 04:00:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:27,160 INFO L93 Difference]: Finished difference Result 3864 states and 4549 transitions. [2024-11-17 04:00:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:00:27,161 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.904761904761905) internal successors, (103), 22 states have internal predecessors, (103), 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 52 [2024-11-17 04:00:27,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:27,172 INFO L225 Difference]: With dead ends: 3864 [2024-11-17 04:00:27,172 INFO L226 Difference]: Without dead ends: 3863 [2024-11-17 04:00:27,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:00:27,173 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 169 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:27,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 226 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2024-11-17 04:00:27,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 2011. [2024-11-17 04:00:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 2008 states have (on average 1.1857569721115537) internal successors, (2381), 2010 states have internal predecessors, (2381), 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) [2024-11-17 04:00:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2381 transitions. [2024-11-17 04:00:27,247 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2381 transitions. Word has length 52 [2024-11-17 04:00:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:27,247 INFO L471 AbstractCegarLoop]: Abstraction has 2011 states and 2381 transitions. [2024-11-17 04:00:27,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.904761904761905) internal successors, (103), 22 states have internal predecessors, (103), 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) [2024-11-17 04:00:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2381 transitions. [2024-11-17 04:00:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:00:27,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:27,249 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:27,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:27,453 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,SelfDestructingSolverStorable22 [2024-11-17 04:00:27,454 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:27,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:27,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1700359404, now seen corresponding path program 2 times [2024-11-17 04:00:27,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:27,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409058685] [2024-11-17 04:00:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:27,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409058685] [2024-11-17 04:00:27,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409058685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457695025] [2024-11-17 04:00:27,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:27,710 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) [2024-11-17 04:00:27,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:00:27,749 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:27,749 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:27,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:00:27,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:28,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:28,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457695025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:28,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:28,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2024-11-17 04:00:28,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264155497] [2024-11-17 04:00:28,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:28,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-17 04:00:28,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:28,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-17 04:00:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1682, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 04:00:28,417 INFO L87 Difference]: Start difference. First operand 2011 states and 2381 transitions. Second operand has 47 states, 46 states have (on average 3.608695652173913) internal successors, (166), 47 states have internal predecessors, (166), 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) [2024-11-17 04:00:28,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:28,730 INFO L93 Difference]: Finished difference Result 2262 states and 2668 transitions. [2024-11-17 04:00:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:00:28,731 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 3.608695652173913) internal successors, (166), 47 states have internal predecessors, (166), 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 56 [2024-11-17 04:00:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:28,739 INFO L225 Difference]: With dead ends: 2262 [2024-11-17 04:00:28,739 INFO L226 Difference]: Without dead ends: 2245 [2024-11-17 04:00:28,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=505, Invalid=1751, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:00:28,741 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 131 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:28,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 179 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2024-11-17 04:00:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2093. [2024-11-17 04:00:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 2090 states have (on average 1.1861244019138757) internal successors, (2479), 2092 states have internal predecessors, (2479), 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) [2024-11-17 04:00:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2479 transitions. [2024-11-17 04:00:28,808 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2479 transitions. Word has length 56 [2024-11-17 04:00:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:28,809 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2479 transitions. [2024-11-17 04:00:28,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 3.608695652173913) internal successors, (166), 47 states have internal predecessors, (166), 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) [2024-11-17 04:00:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2479 transitions. [2024-11-17 04:00:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:00:28,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:28,810 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:28,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:00:29,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:29,015 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:29,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:29,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1982725973, now seen corresponding path program 2 times [2024-11-17 04:00:29,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:29,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126980500] [2024-11-17 04:00:29,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:29,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126980500] [2024-11-17 04:00:29,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126980500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537941749] [2024-11-17 04:00:29,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:29,286 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) [2024-11-17 04:00:29,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:00:29,333 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:29,333 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:29,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:00:29,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:29,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:30,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537941749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:30,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:30,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-17 04:00:30,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227021092] [2024-11-17 04:00:30,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:30,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-17 04:00:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:30,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-17 04:00:30,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=2210, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:00:30,151 INFO L87 Difference]: Start difference. First operand 2093 states and 2479 transitions. Second operand has 53 states, 52 states have (on average 3.6538461538461537) internal successors, (190), 53 states have internal predecessors, (190), 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) [2024-11-17 04:00:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:30,680 INFO L93 Difference]: Finished difference Result 3130 states and 3612 transitions. [2024-11-17 04:00:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 04:00:30,680 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 3.6538461538461537) internal successors, (190), 53 states have internal predecessors, (190), 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 64 [2024-11-17 04:00:30,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:30,688 INFO L225 Difference]: With dead ends: 3130 [2024-11-17 04:00:30,688 INFO L226 Difference]: Without dead ends: 3101 [2024-11-17 04:00:30,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1638 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=776, Invalid=3130, Unknown=0, NotChecked=0, Total=3906 [2024-11-17 04:00:30,690 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 208 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:30,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 245 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2024-11-17 04:00:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2385. [2024-11-17 04:00:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2382 states have (on average 1.1666666666666667) internal successors, (2779), 2384 states have internal predecessors, (2779), 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) [2024-11-17 04:00:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 2779 transitions. [2024-11-17 04:00:30,783 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 2779 transitions. Word has length 64 [2024-11-17 04:00:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:30,784 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 2779 transitions. [2024-11-17 04:00:30,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 3.6538461538461537) internal successors, (190), 53 states have internal predecessors, (190), 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) [2024-11-17 04:00:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2779 transitions. [2024-11-17 04:00:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-17 04:00:30,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:30,786 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:00:30,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:00:30,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:30,991 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:30,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:30,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1889962451, now seen corresponding path program 3 times [2024-11-17 04:00:30,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:30,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127887237] [2024-11-17 04:00:30,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:31,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:31,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127887237] [2024-11-17 04:00:31,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127887237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:31,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810767613] [2024-11-17 04:00:31,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:31,278 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) [2024-11-17 04:00:31,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:00:31,328 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:00:31,328 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:31,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:00:31,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:31,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:32,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810767613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:32,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:32,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-17 04:00:32,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224141917] [2024-11-17 04:00:32,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:32,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-17 04:00:32,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:32,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-17 04:00:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=570, Invalid=2186, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:00:32,109 INFO L87 Difference]: Start difference. First operand 2385 states and 2779 transitions. Second operand has 53 states, 52 states have (on average 3.769230769230769) internal successors, (196), 53 states have internal predecessors, (196), 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) [2024-11-17 04:00:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:32,472 INFO L93 Difference]: Finished difference Result 2964 states and 3460 transitions. [2024-11-17 04:00:32,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 04:00:32,473 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 3.769230769230769) internal successors, (196), 53 states have internal predecessors, (196), 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 66 [2024-11-17 04:00:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:32,481 INFO L225 Difference]: With dead ends: 2964 [2024-11-17 04:00:32,481 INFO L226 Difference]: Without dead ends: 2937 [2024-11-17 04:00:32,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=656, Invalid=2536, Unknown=0, NotChecked=0, Total=3192 [2024-11-17 04:00:32,483 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 152 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:32,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 202 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:32,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2024-11-17 04:00:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 2461. [2024-11-17 04:00:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2458 states have (on average 1.1692432872253864) internal successors, (2874), 2460 states have internal predecessors, (2874), 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) [2024-11-17 04:00:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 2874 transitions. [2024-11-17 04:00:32,590 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 2874 transitions. Word has length 66 [2024-11-17 04:00:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:32,590 INFO L471 AbstractCegarLoop]: Abstraction has 2461 states and 2874 transitions. [2024-11-17 04:00:32,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 3.769230769230769) internal successors, (196), 53 states have internal predecessors, (196), 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) [2024-11-17 04:00:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2874 transitions. [2024-11-17 04:00:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:00:32,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:32,593 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:32,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:00:32,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:00:32,798 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:32,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:32,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1978109793, now seen corresponding path program 3 times [2024-11-17 04:00:32,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:32,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906914554] [2024-11-17 04:00:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:32,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:33,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:33,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906914554] [2024-11-17 04:00:33,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906914554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:33,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200472198] [2024-11-17 04:00:33,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:33,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:33,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:33,161 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) [2024-11-17 04:00:33,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:00:33,214 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-17 04:00:33,214 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:33,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:00:33,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:33,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:34,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200472198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:34,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:34,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 64 [2024-11-17 04:00:34,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270273230] [2024-11-17 04:00:34,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:34,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-17 04:00:34,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:34,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-17 04:00:34,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=3338, Unknown=0, NotChecked=0, Total=4160 [2024-11-17 04:00:34,256 INFO L87 Difference]: Start difference. First operand 2461 states and 2874 transitions. Second operand has 65 states, 64 states have (on average 3.53125) internal successors, (226), 65 states have internal predecessors, (226), 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) [2024-11-17 04:00:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:34,913 INFO L93 Difference]: Finished difference Result 4248 states and 4814 transitions. [2024-11-17 04:00:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-17 04:00:34,914 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.53125) internal successors, (226), 65 states have internal predecessors, (226), 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 76 [2024-11-17 04:00:34,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:34,923 INFO L225 Difference]: With dead ends: 4248 [2024-11-17 04:00:34,923 INFO L226 Difference]: Without dead ends: 4227 [2024-11-17 04:00:34,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2643 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1223, Invalid=4939, Unknown=0, NotChecked=0, Total=6162 [2024-11-17 04:00:34,925 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 358 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:34,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 240 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:34,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2024-11-17 04:00:35,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3031. [2024-11-17 04:00:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 3028 states have (on average 1.1571994715984149) internal successors, (3504), 3030 states have internal predecessors, (3504), 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) [2024-11-17 04:00:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 3504 transitions. [2024-11-17 04:00:35,048 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 3504 transitions. Word has length 76 [2024-11-17 04:00:35,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:35,049 INFO L471 AbstractCegarLoop]: Abstraction has 3031 states and 3504 transitions. [2024-11-17 04:00:35,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.53125) internal successors, (226), 65 states have internal predecessors, (226), 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) [2024-11-17 04:00:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3504 transitions. [2024-11-17 04:00:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 04:00:35,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:35,052 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:35,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:35,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:00:35,256 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1931304160, now seen corresponding path program 2 times [2024-11-17 04:00:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:35,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600307077] [2024-11-17 04:00:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:00:35,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:35,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600307077] [2024-11-17 04:00:35,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600307077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:35,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078057081] [2024-11-17 04:00:35,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:35,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:35,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:35,631 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) [2024-11-17 04:00:35,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:00:35,673 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 04:00:35,673 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:35,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:00:35,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-17 04:00:35,775 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-17 04:00:35,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078057081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:35,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:35,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 3, 3] total 25 [2024-11-17 04:00:35,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948218291] [2024-11-17 04:00:35,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:35,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:00:35,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:35,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:00:35,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:00:35,869 INFO L87 Difference]: Start difference. First operand 3031 states and 3504 transitions. Second operand has 26 states, 25 states have (on average 3.92) internal successors, (98), 26 states have internal predecessors, (98), 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) [2024-11-17 04:00:36,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:36,257 INFO L93 Difference]: Finished difference Result 3268 states and 3782 transitions. [2024-11-17 04:00:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 04:00:36,257 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.92) internal successors, (98), 26 states have internal predecessors, (98), 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 78 [2024-11-17 04:00:36,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:36,265 INFO L225 Difference]: With dead ends: 3268 [2024-11-17 04:00:36,266 INFO L226 Difference]: Without dead ends: 3267 [2024-11-17 04:00:36,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=504, Invalid=1848, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 04:00:36,267 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 279 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:36,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 266 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2024-11-17 04:00:36,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 1268. [2024-11-17 04:00:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1266 states have (on average 1.1563981042654028) internal successors, (1464), 1267 states have internal predecessors, (1464), 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) [2024-11-17 04:00:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1464 transitions. [2024-11-17 04:00:36,349 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1464 transitions. Word has length 78 [2024-11-17 04:00:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:36,350 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1464 transitions. [2024-11-17 04:00:36,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.92) internal successors, (98), 26 states have internal predecessors, (98), 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) [2024-11-17 04:00:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1464 transitions. [2024-11-17 04:00:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:00:36,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:36,352 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:36,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:36,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:00:36,553 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:36,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:36,553 INFO L85 PathProgramCache]: Analyzing trace with hash -176257027, now seen corresponding path program 4 times [2024-11-17 04:00:36,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:36,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257655252] [2024-11-17 04:00:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:36,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:36,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257655252] [2024-11-17 04:00:36,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257655252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:36,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986766654] [2024-11-17 04:00:36,880 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:00:36,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:36,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:36,881 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) [2024-11-17 04:00:36,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:00:36,922 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:00:36,923 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:36,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:00:36,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:00:37,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:00:37,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986766654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:37,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:00:37,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [22] total 26 [2024-11-17 04:00:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842976153] [2024-11-17 04:00:37,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:37,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:00:37,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:37,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:00:37,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:00:37,002 INFO L87 Difference]: Start difference. First operand 1268 states and 1464 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-17 04:00:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:37,059 INFO L93 Difference]: Finished difference Result 1698 states and 1938 transitions. [2024-11-17 04:00:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:00:37,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 84 [2024-11-17 04:00:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:37,061 INFO L225 Difference]: With dead ends: 1698 [2024-11-17 04:00:37,061 INFO L226 Difference]: Without dead ends: 664 [2024-11-17 04:00:37,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:00:37,063 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:37,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 70 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:37,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-17 04:00:37,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 620. [2024-11-17 04:00:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 618 states have (on average 1.0938511326860842) internal successors, (676), 619 states have internal predecessors, (676), 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) [2024-11-17 04:00:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 676 transitions. [2024-11-17 04:00:37,113 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 676 transitions. Word has length 84 [2024-11-17 04:00:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:37,113 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 676 transitions. [2024-11-17 04:00:37,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-17 04:00:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 676 transitions. [2024-11-17 04:00:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 04:00:37,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:37,114 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:37,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:00:37,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:00:37,315 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:37,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:37,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1887486374, now seen corresponding path program 5 times [2024-11-17 04:00:37,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:37,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333789161] [2024-11-17 04:00:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:37,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:37,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333789161] [2024-11-17 04:00:37,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333789161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156259771] [2024-11-17 04:00:37,676 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:00:37,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:37,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:37,678 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) [2024-11-17 04:00:37,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:00:37,730 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-17 04:00:37,730 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:37,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:00:37,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 8 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-17 04:00:37,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 8 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-17 04:00:38,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156259771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:38,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:38,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 7, 7] total 30 [2024-11-17 04:00:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448186690] [2024-11-17 04:00:38,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:38,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:00:38,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:38,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:00:38,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:00:38,089 INFO L87 Difference]: Start difference. First operand 620 states and 676 transitions. Second operand has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 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) [2024-11-17 04:00:38,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:38,891 INFO L93 Difference]: Finished difference Result 990 states and 1063 transitions. [2024-11-17 04:00:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-17 04:00:38,891 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 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 86 [2024-11-17 04:00:38,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:38,893 INFO L225 Difference]: With dead ends: 990 [2024-11-17 04:00:38,893 INFO L226 Difference]: Without dead ends: 566 [2024-11-17 04:00:38,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 174 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=502, Invalid=3404, Unknown=0, NotChecked=0, Total=3906 [2024-11-17 04:00:38,896 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 130 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:38,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 202 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-17 04:00:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 450. [2024-11-17 04:00:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 448 states have (on average 1.0401785714285714) internal successors, (466), 449 states have internal predecessors, (466), 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) [2024-11-17 04:00:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 466 transitions. [2024-11-17 04:00:38,940 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 466 transitions. Word has length 86 [2024-11-17 04:00:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:38,941 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 466 transitions. [2024-11-17 04:00:38,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 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) [2024-11-17 04:00:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 466 transitions. [2024-11-17 04:00:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:00:38,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:38,942 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:38,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:00:39,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:39,146 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:39,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:39,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1857498669, now seen corresponding path program 6 times [2024-11-17 04:00:39,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:39,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322578147] [2024-11-17 04:00:39,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:39,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:39,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:39,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322578147] [2024-11-17 04:00:39,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322578147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:39,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396190410] [2024-11-17 04:00:39,565 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:00:39,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:39,566 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) [2024-11-17 04:00:39,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:00:39,622 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-17 04:00:39,622 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:39,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-17 04:00:39,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:40,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396190410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:40,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:40,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 76 [2024-11-17 04:00:40,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926421799] [2024-11-17 04:00:40,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:40,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-17 04:00:40,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:40,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-17 04:00:40,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1098, Invalid=4754, Unknown=0, NotChecked=0, Total=5852 [2024-11-17 04:00:40,834 INFO L87 Difference]: Start difference. First operand 450 states and 466 transitions. Second operand has 77 states, 76 states have (on average 3.763157894736842) internal successors, (286), 77 states have internal predecessors, (286), 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) [2024-11-17 04:00:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:41,388 INFO L93 Difference]: Finished difference Result 831 states and 866 transitions. [2024-11-17 04:00:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-17 04:00:41,388 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 76 states have (on average 3.763157894736842) internal successors, (286), 77 states have internal predecessors, (286), 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 96 [2024-11-17 04:00:41,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:41,390 INFO L225 Difference]: With dead ends: 831 [2024-11-17 04:00:41,390 INFO L226 Difference]: Without dead ends: 810 [2024-11-17 04:00:41,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3596 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1463, Invalid=6369, Unknown=0, NotChecked=0, Total=7832 [2024-11-17 04:00:41,393 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 226 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:41,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 253 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:41,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-17 04:00:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 480. [2024-11-17 04:00:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 478 states have (on average 1.0481171548117154) internal successors, (501), 479 states have internal predecessors, (501), 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) [2024-11-17 04:00:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 501 transitions. [2024-11-17 04:00:41,455 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 501 transitions. Word has length 96 [2024-11-17 04:00:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:41,455 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 501 transitions. [2024-11-17 04:00:41,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 76 states have (on average 3.763157894736842) internal successors, (286), 77 states have internal predecessors, (286), 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) [2024-11-17 04:00:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 501 transitions. [2024-11-17 04:00:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:00:41,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:41,456 INFO L215 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:41,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:41,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:41,657 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:41,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 846955296, now seen corresponding path program 4 times [2024-11-17 04:00:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:41,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353831740] [2024-11-17 04:00:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 0 proven. 754 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:42,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353831740] [2024-11-17 04:00:42,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353831740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:42,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246081698] [2024-11-17 04:00:42,333 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:00:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:42,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:42,336 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) [2024-11-17 04:00:42,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:00:42,385 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:00:42,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:42,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-17 04:00:42,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 0 proven. 754 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:43,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 0 proven. 754 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246081698] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:44,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 106 [2024-11-17 04:00:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11521377] [2024-11-17 04:00:44,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:44,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-11-17 04:00:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:44,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-11-17 04:00:44,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2500, Invalid=8842, Unknown=0, NotChecked=0, Total=11342 [2024-11-17 04:00:44,255 INFO L87 Difference]: Start difference. First operand 480 states and 501 transitions. Second operand has 107 states, 106 states have (on average 3.207547169811321) internal successors, (340), 107 states have internal predecessors, (340), 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) [2024-11-17 04:00:45,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:45,570 INFO L93 Difference]: Finished difference Result 1201 states and 1256 transitions. [2024-11-17 04:00:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-17 04:00:45,571 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 106 states have (on average 3.207547169811321) internal successors, (340), 107 states have internal predecessors, (340), 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 114 [2024-11-17 04:00:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:45,573 INFO L225 Difference]: With dead ends: 1201 [2024-11-17 04:00:45,573 INFO L226 Difference]: Without dead ends: 1162 [2024-11-17 04:00:45,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8045 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4130, Invalid=14776, Unknown=0, NotChecked=0, Total=18906 [2024-11-17 04:00:45,575 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 909 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:45,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 396 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:00:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-17 04:00:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 798. [2024-11-17 04:00:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 796 states have (on average 1.028894472361809) internal successors, (819), 797 states have internal predecessors, (819), 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) [2024-11-17 04:00:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 819 transitions. [2024-11-17 04:00:45,663 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 819 transitions. Word has length 114 [2024-11-17 04:00:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:45,663 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 819 transitions. [2024-11-17 04:00:45,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 106 states have (on average 3.207547169811321) internal successors, (340), 107 states have internal predecessors, (340), 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) [2024-11-17 04:00:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 819 transitions. [2024-11-17 04:00:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:00:45,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:45,665 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 10, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:45,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:45,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:45,865 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:45,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:45,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1537327068, now seen corresponding path program 7 times [2024-11-17 04:00:45,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:45,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996623532] [2024-11-17 04:00:45,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:46,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996623532] [2024-11-17 04:00:46,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996623532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:46,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541670505] [2024-11-17 04:00:46,542 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:00:46,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:46,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:46,544 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) [2024-11-17 04:00:46,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:00:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:46,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-17 04:00:46,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:47,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:48,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541670505] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:48,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:48,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 106 [2024-11-17 04:00:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986898071] [2024-11-17 04:00:48,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:48,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-11-17 04:00:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-11-17 04:00:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2148, Invalid=9194, Unknown=0, NotChecked=0, Total=11342 [2024-11-17 04:00:48,383 INFO L87 Difference]: Start difference. First operand 798 states and 819 transitions. Second operand has 107 states, 106 states have (on average 3.4339622641509435) internal successors, (364), 107 states have internal predecessors, (364), 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) [2024-11-17 04:00:49,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:49,583 INFO L93 Difference]: Finished difference Result 1729 states and 1776 transitions. [2024-11-17 04:00:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-17 04:00:49,584 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 106 states have (on average 3.4339622641509435) internal successors, (364), 107 states have internal predecessors, (364), 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 122 [2024-11-17 04:00:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:49,586 INFO L225 Difference]: With dead ends: 1729 [2024-11-17 04:00:49,586 INFO L226 Difference]: Without dead ends: 1698 [2024-11-17 04:00:49,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7828 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3307, Invalid=13985, Unknown=0, NotChecked=0, Total=17292 [2024-11-17 04:00:49,588 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 614 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:49,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 454 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:00:49,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2024-11-17 04:00:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 798. [2024-11-17 04:00:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 796 states have (on average 1.028894472361809) internal successors, (819), 797 states have internal predecessors, (819), 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) [2024-11-17 04:00:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 819 transitions. [2024-11-17 04:00:49,713 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 819 transitions. Word has length 122 [2024-11-17 04:00:49,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:49,713 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 819 transitions. [2024-11-17 04:00:49,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 106 states have (on average 3.4339622641509435) internal successors, (364), 107 states have internal predecessors, (364), 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) [2024-11-17 04:00:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 819 transitions. [2024-11-17 04:00:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:00:49,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:49,714 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2024-11-17 04:00:49,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:00:49,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:49,915 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:49,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1553521310, now seen corresponding path program 2 times [2024-11-17 04:00:49,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:49,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594112882] [2024-11-17 04:00:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:50,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:50,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594112882] [2024-11-17 04:00:50,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594112882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:50,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408496382] [2024-11-17 04:00:50,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:50,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:50,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:50,332 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) [2024-11-17 04:00:50,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:00:50,376 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 04:00:50,377 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:50,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:00:50,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-17 04:00:50,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-17 04:00:50,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408496382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:50,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:50,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 3, 3] total 27 [2024-11-17 04:00:50,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649691275] [2024-11-17 04:00:50,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:50,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 04:00:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:50,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 04:00:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2024-11-17 04:00:50,677 INFO L87 Difference]: Start difference. First operand 798 states and 819 transitions. Second operand has 28 states, 27 states have (on average 5.37037037037037) internal successors, (145), 28 states have internal predecessors, (145), 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) [2024-11-17 04:00:51,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:51,469 INFO L93 Difference]: Finished difference Result 2274 states and 2307 transitions. [2024-11-17 04:00:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 04:00:51,470 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 5.37037037037037) internal successors, (145), 28 states have internal predecessors, (145), 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 124 [2024-11-17 04:00:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:51,472 INFO L225 Difference]: With dead ends: 2274 [2024-11-17 04:00:51,472 INFO L226 Difference]: Without dead ends: 2273 [2024-11-17 04:00:51,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=585, Invalid=2171, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:00:51,473 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 150 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:51,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 199 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2024-11-17 04:00:51,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 797. [2024-11-17 04:00:51,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 796 states have (on average 1.0238693467336684) internal successors, (815), 796 states have internal predecessors, (815), 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) [2024-11-17 04:00:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 815 transitions. [2024-11-17 04:00:51,607 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 815 transitions. Word has length 124 [2024-11-17 04:00:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:51,608 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 815 transitions. [2024-11-17 04:00:51,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.37037037037037) internal successors, (145), 28 states have internal predecessors, (145), 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) [2024-11-17 04:00:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 815 transitions. [2024-11-17 04:00:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-17 04:00:51,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:51,609 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:51,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:51,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:51,810 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:51,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:51,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1005715353, now seen corresponding path program 8 times [2024-11-17 04:00:51,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:51,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153417426] [2024-11-17 04:00:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:51,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:52,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:52,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153417426] [2024-11-17 04:00:52,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153417426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:52,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876667610] [2024-11-17 04:00:52,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:52,821 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) [2024-11-17 04:00:52,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:00:52,889 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:52,889 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:52,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-17 04:00:52,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:54,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:55,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876667610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:55,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:55,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 124 [2024-11-17 04:00:55,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136316103] [2024-11-17 04:00:55,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:55,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-11-17 04:00:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-11-17 04:00:55,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2778, Invalid=12722, Unknown=0, NotChecked=0, Total=15500 [2024-11-17 04:00:55,297 INFO L87 Difference]: Start difference. First operand 797 states and 815 transitions. Second operand has 125 states, 124 states have (on average 3.661290322580645) internal successors, (454), 125 states have internal predecessors, (454), 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) [2024-11-17 04:00:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:56,586 INFO L93 Difference]: Finished difference Result 1882 states and 1936 transitions. [2024-11-17 04:00:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-17 04:00:56,587 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 124 states have (on average 3.661290322580645) internal successors, (454), 125 states have internal predecessors, (454), 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 152 [2024-11-17 04:00:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:56,590 INFO L225 Difference]: With dead ends: 1882 [2024-11-17 04:00:56,590 INFO L226 Difference]: Without dead ends: 1841 [2024-11-17 04:00:56,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10281 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=3847, Invalid=17615, Unknown=0, NotChecked=0, Total=21462 [2024-11-17 04:00:56,592 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 441 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:56,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 412 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:00:56,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-17 04:00:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 893. [2024-11-17 04:00:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 892 states have (on average 1.0302690582959642) internal successors, (919), 892 states have internal predecessors, (919), 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) [2024-11-17 04:00:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 919 transitions. [2024-11-17 04:00:56,795 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 919 transitions. Word has length 152 [2024-11-17 04:00:56,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:56,796 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 919 transitions. [2024-11-17 04:00:56,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 124 states have (on average 3.661290322580645) internal successors, (454), 125 states have internal predecessors, (454), 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) [2024-11-17 04:00:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 919 transitions. [2024-11-17 04:00:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-17 04:00:56,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:56,798 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 17, 8, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:56,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:56,999 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,SelfDestructingSolverStorable34 [2024-11-17 04:00:57,000 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:00:57,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:57,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1881414216, now seen corresponding path program 9 times [2024-11-17 04:00:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:57,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129888891] [2024-11-17 04:00:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:00:58,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129888891] [2024-11-17 04:00:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129888891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709857588] [2024-11-17 04:00:58,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:58,485 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) [2024-11-17 04:00:58,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:00:58,557 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-11-17 04:00:58,557 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:58,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-17 04:00:58,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:01:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:00,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:01:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 1344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:02,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709857588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:01:02,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:01:02,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56, 56] total 166 [2024-11-17 04:01:02,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004816517] [2024-11-17 04:01:02,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:01:02,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2024-11-17 04:01:02,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:01:02,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2024-11-17 04:01:02,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5208, Invalid=22514, Unknown=0, NotChecked=0, Total=27722 [2024-11-17 04:01:02,435 INFO L87 Difference]: Start difference. First operand 893 states and 919 transitions. Second operand has 167 states, 166 states have (on average 3.3493975903614457) internal successors, (556), 167 states have internal predecessors, (556), 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) [2024-11-17 04:01:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:01:05,072 INFO L93 Difference]: Finished difference Result 2786 states and 2854 transitions. [2024-11-17 04:01:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-17 04:01:05,073 INFO L78 Accepts]: Start accepts. Automaton has has 167 states, 166 states have (on average 3.3493975903614457) internal successors, (556), 167 states have internal predecessors, (556), 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 186 [2024-11-17 04:01:05,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:01:05,076 INFO L225 Difference]: With dead ends: 2786 [2024-11-17 04:01:05,076 INFO L226 Difference]: Without dead ends: 2739 [2024-11-17 04:01:05,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20118 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=8273, Invalid=35199, Unknown=0, NotChecked=0, Total=43472 [2024-11-17 04:01:05,078 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 923 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:01:05,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 610 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:01:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2024-11-17 04:01:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 1043. [2024-11-17 04:01:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1042 states have (on average 1.0259117082533589) internal successors, (1069), 1042 states have internal predecessors, (1069), 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) [2024-11-17 04:01:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1069 transitions. [2024-11-17 04:01:05,286 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1069 transitions. Word has length 186 [2024-11-17 04:01:05,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:01:05,287 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1069 transitions. [2024-11-17 04:01:05,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 166 states have (on average 3.3493975903614457) internal successors, (556), 167 states have internal predecessors, (556), 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) [2024-11-17 04:01:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1069 transitions. [2024-11-17 04:01:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-17 04:01:05,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:01:05,292 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1] [2024-11-17 04:01:05,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:01:05,493 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,SelfDestructingSolverStorable35 [2024-11-17 04:01:05,493 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:01:05,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:01:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1900184753, now seen corresponding path program 10 times [2024-11-17 04:01:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:01:05,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801269121] [2024-11-17 04:01:05,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:01:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:01:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:01:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:01:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801269121] [2024-11-17 04:01:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801269121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:01:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137422765] [2024-11-17 04:01:07,325 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:01:07,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:01:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:01:07,327 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) [2024-11-17 04:01:07,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:01:07,420 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:01:07,420 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:01:07,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-17 04:01:07,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:01:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:09,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:01:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137422765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:01:12,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:01:12,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 184 [2024-11-17 04:01:12,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917442288] [2024-11-17 04:01:12,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:01:12,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-11-17 04:01:12,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:01:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-11-17 04:01:12,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5950, Invalid=28090, Unknown=0, NotChecked=0, Total=34040 [2024-11-17 04:01:12,114 INFO L87 Difference]: Start difference. First operand 1043 states and 1069 transitions. Second operand has 185 states, 184 states have (on average 3.5760869565217392) internal successors, (658), 185 states have internal predecessors, (658), 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) [2024-11-17 04:01:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:01:14,567 INFO L93 Difference]: Finished difference Result 2188 states and 2262 transitions. [2024-11-17 04:01:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-17 04:01:14,568 INFO L78 Accepts]: Start accepts. Automaton has has 185 states, 184 states have (on average 3.5760869565217392) internal successors, (658), 185 states have internal predecessors, (658), 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 220 [2024-11-17 04:01:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:01:14,571 INFO L225 Difference]: With dead ends: 2188 [2024-11-17 04:01:14,571 INFO L226 Difference]: Without dead ends: 2135 [2024-11-17 04:01:14,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23670 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=8551, Invalid=40069, Unknown=0, NotChecked=0, Total=48620 [2024-11-17 04:01:14,574 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 684 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:01:14,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 598 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:01:14,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2024-11-17 04:01:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1139. [2024-11-17 04:01:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1138 states have (on average 1.0307557117750439) internal successors, (1173), 1138 states have internal predecessors, (1173), 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) [2024-11-17 04:01:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1173 transitions. [2024-11-17 04:01:14,875 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1173 transitions. Word has length 220 [2024-11-17 04:01:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:01:14,875 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1173 transitions. [2024-11-17 04:01:14,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 184 states have (on average 3.5760869565217392) internal successors, (658), 185 states have internal predecessors, (658), 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) [2024-11-17 04:01:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1173 transitions. [2024-11-17 04:01:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-17 04:01:14,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:01:14,879 INFO L215 NwaCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:01:14,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:01:15,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:01:15,079 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:01:15,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:01:15,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1498106402, now seen corresponding path program 5 times [2024-11-17 04:01:15,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:01:15,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729961834] [2024-11-17 04:01:15,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:01:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:01:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:01:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5252 backedges. 0 proven. 5252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:18,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:01:18,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729961834] [2024-11-17 04:01:18,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729961834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:01:18,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119880326] [2024-11-17 04:01:18,444 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:01:18,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:01:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:01:18,445 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) [2024-11-17 04:01:18,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:01:18,558 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 43 check-sat command(s) [2024-11-17 04:01:18,558 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:01:18,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-17 04:01:18,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:01:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5252 backedges. 0 proven. 5252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:22,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:01:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5252 backedges. 0 proven. 5252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:01:27,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119880326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:01:27,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:01:27,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 88, 88] total 262 [2024-11-17 04:01:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735895890] [2024-11-17 04:01:27,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:01:27,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2024-11-17 04:01:27,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:01:27,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2024-11-17 04:01:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15240, Invalid=53666, Unknown=0, NotChecked=0, Total=68906 [2024-11-17 04:01:27,678 INFO L87 Difference]: Start difference. First operand 1139 states and 1173 transitions. Second operand has 263 states, 262 states have (on average 3.0839694656488548) internal successors, (808), 263 states have internal predecessors, (808), 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) [2024-11-17 04:01:34,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:01:34,919 INFO L93 Difference]: Finished difference Result 3214 states and 3334 transitions. [2024-11-17 04:01:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2024-11-17 04:01:34,920 INFO L78 Accepts]: Start accepts. Automaton has has 263 states, 262 states have (on average 3.0839694656488548) internal successors, (808), 263 states have internal predecessors, (808), 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 270 [2024-11-17 04:01:34,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:01:34,924 INFO L225 Difference]: With dead ends: 3214 [2024-11-17 04:01:34,924 INFO L226 Difference]: Without dead ends: 3123 [2024-11-17 04:01:34,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52765 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=26074, Invalid=93296, Unknown=0, NotChecked=0, Total=119370 [2024-11-17 04:01:34,929 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 2471 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:01:34,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2471 Valid, 932 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:01:34,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2024-11-17 04:01:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 1925. [2024-11-17 04:01:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1924 states have (on average 1.0181912681912682) internal successors, (1959), 1924 states have internal predecessors, (1959), 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) [2024-11-17 04:01:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 1959 transitions. [2024-11-17 04:01:35,482 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 1959 transitions. Word has length 270 [2024-11-17 04:01:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:01:35,483 INFO L471 AbstractCegarLoop]: Abstraction has 1925 states and 1959 transitions. [2024-11-17 04:01:35,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 262 states have (on average 3.0839694656488548) internal successors, (808), 263 states have internal predecessors, (808), 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) [2024-11-17 04:01:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 1959 transitions. [2024-11-17 04:01:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-17 04:01:35,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:01:35,487 INFO L215 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 28, 10, 9, 9, 9, 9, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-17 04:01:35,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:01:35,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:01:35,688 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:01:35,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:01:35,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1353123104, now seen corresponding path program 11 times [2024-11-17 04:01:35,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:01:35,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061914758] [2024-11-17 04:01:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:01:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:01:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat