./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/bitvector/s3_srvr_1a.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:52:01,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:52:01,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:52:01,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:52:01,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:52:01,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:52:01,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:52:01,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:52:01,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:52:01,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:52:01,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:52:01,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:52:01,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:52:01,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:52:01,696 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:52:01,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:52:01,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:52:01,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:52:01,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:52:01,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:52:01,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:52:01,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:52:01,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:52:01,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:52:01,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:52:01,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:52:01,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:52:01,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:52:01,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:52:01,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:52:01,701 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:52:01,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:52:01,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:52:01,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:52:01,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:52:01,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:52:01,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:52:01,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:52:01,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:52:01,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:52:01,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:52:01,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:52:01,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:52:01,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:52:01,705 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2024-11-17 03:52:01,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:52:02,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:52:02,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:52:02,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:52:02,008 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:52:02,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-17 03:52:03,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:52:03,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:52:03,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-17 03:52:03,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f119068f2/107df91b726d422897cb394de284bd4d/FLAGe71b4bea0 [2024-11-17 03:52:03,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f119068f2/107df91b726d422897cb394de284bd4d [2024-11-17 03:52:03,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:52:03,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:52:03,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:52:03,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:52:03,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:52:03,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:52:03" (1/1) ... [2024-11-17 03:52:03,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53af4143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:03, skipping insertion in model container [2024-11-17 03:52:03,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:52:03" (1/1) ... [2024-11-17 03:52:04,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:52:04,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:52:04,330 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:52:04,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:52:04,420 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:52:04,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04 WrapperNode [2024-11-17 03:52:04,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:52:04,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:52:04,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:52:04,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:52:04,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,488 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 648 [2024-11-17 03:52:04,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:52:04,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:52:04,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:52:04,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:52:04,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,535 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 03:52:04,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:52:04,560 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:52:04,560 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:52:04,561 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:52:04,562 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (1/1) ... [2024-11-17 03:52:04,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:52:04,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:04,596 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 03:52:04,602 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 03:52:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:52:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:52:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:52:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:52:04,794 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:52:04,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:52:05,474 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume false; [2024-11-17 03:52:05,475 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume !false; [2024-11-17 03:52:05,531 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-11-17 03:52:05,534 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:52:05,571 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:52:05,572 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:52:05,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:52:05 BoogieIcfgContainer [2024-11-17 03:52:05,572 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:52:05,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:52:05,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:52:05,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:52:05,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:52:03" (1/3) ... [2024-11-17 03:52:05,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d93927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:52:05, skipping insertion in model container [2024-11-17 03:52:05,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:52:04" (2/3) ... [2024-11-17 03:52:05,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d93927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:52:05, skipping insertion in model container [2024-11-17 03:52:05,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:52:05" (3/3) ... [2024-11-17 03:52:05,581 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2024-11-17 03:52:05,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:52:05,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 03:52:05,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:52:05,663 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;@3793b588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:52:05,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 03:52:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 203 states, 198 states have (on average 1.6262626262626263) internal successors, (322), 202 states have internal predecessors, (322), 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 03:52:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 03:52:05,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:05,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:05,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:05,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:05,681 INFO L85 PathProgramCache]: Analyzing trace with hash -378536354, now seen corresponding path program 1 times [2024-11-17 03:52:05,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:05,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696343439] [2024-11-17 03:52:05,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:05,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:06,067 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 03:52:06,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:06,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696343439] [2024-11-17 03:52:06,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696343439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:06,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:06,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:06,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781120823] [2024-11-17 03:52:06,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:06,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:06,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:06,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:06,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:06,104 INFO L87 Difference]: Start difference. First operand has 203 states, 198 states have (on average 1.6262626262626263) internal successors, (322), 202 states have internal predecessors, (322), 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 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 03:52:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:06,318 INFO L93 Difference]: Finished difference Result 418 states and 663 transitions. [2024-11-17 03:52:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:06,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 03:52:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:06,330 INFO L225 Difference]: With dead ends: 418 [2024-11-17 03:52:06,330 INFO L226 Difference]: Without dead ends: 209 [2024-11-17 03:52:06,333 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 03:52:06,336 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 99 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:06,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 414 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-17 03:52:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-17 03:52:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.4829268292682927) internal successors, (304), 208 states have internal predecessors, (304), 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 03:52:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 304 transitions. [2024-11-17 03:52:06,378 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 304 transitions. Word has length 23 [2024-11-17 03:52:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:06,379 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 304 transitions. [2024-11-17 03:52:06,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 03:52:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 304 transitions. [2024-11-17 03:52:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 03:52:06,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:06,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:06,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:52:06,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:06,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:06,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1440386358, now seen corresponding path program 1 times [2024-11-17 03:52:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:06,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104413950] [2024-11-17 03:52:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:06,489 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 03:52:06,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:06,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104413950] [2024-11-17 03:52:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104413950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:06,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:06,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145919484] [2024-11-17 03:52:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:06,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:06,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:06,495 INFO L87 Difference]: Start difference. First operand 209 states and 304 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:06,656 INFO L93 Difference]: Finished difference Result 416 states and 602 transitions. [2024-11-17 03:52:06,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:06,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:06,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:06,659 INFO L225 Difference]: With dead ends: 416 [2024-11-17 03:52:06,662 INFO L226 Difference]: Without dead ends: 221 [2024-11-17 03:52:06,663 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 03:52:06,664 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:06,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 331 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:06,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-17 03:52:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 211. [2024-11-17 03:52:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 207 states have (on average 1.4830917874396135) internal successors, (307), 210 states have internal predecessors, (307), 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 03:52:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 307 transitions. [2024-11-17 03:52:06,685 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 307 transitions. Word has length 24 [2024-11-17 03:52:06,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:06,685 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 307 transitions. [2024-11-17 03:52:06,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 307 transitions. [2024-11-17 03:52:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 03:52:06,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:06,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:06,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:52:06,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:06,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2133876890, now seen corresponding path program 1 times [2024-11-17 03:52:06,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:06,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905638624] [2024-11-17 03:52:06,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:06,833 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 03:52:06,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:06,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905638624] [2024-11-17 03:52:06,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905638624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:06,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:06,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:06,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26644173] [2024-11-17 03:52:06,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:06,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:06,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:06,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:06,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:06,836 INFO L87 Difference]: Start difference. First operand 211 states and 307 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:07,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:07,004 INFO L93 Difference]: Finished difference Result 428 states and 624 transitions. [2024-11-17 03:52:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:07,008 INFO L225 Difference]: With dead ends: 428 [2024-11-17 03:52:07,009 INFO L226 Difference]: Without dead ends: 231 [2024-11-17 03:52:07,010 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 03:52:07,011 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 37 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:07,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 410 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:07,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-17 03:52:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-17 03:52:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 227 states have (on average 1.4625550660792952) internal successors, (332), 230 states have internal predecessors, (332), 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 03:52:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 332 transitions. [2024-11-17 03:52:07,027 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 332 transitions. Word has length 24 [2024-11-17 03:52:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:07,028 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 332 transitions. [2024-11-17 03:52:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 03:52:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 332 transitions. [2024-11-17 03:52:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 03:52:07,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:07,033 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:07,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:52:07,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:07,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1398389817, now seen corresponding path program 1 times [2024-11-17 03:52:07,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:07,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137736095] [2024-11-17 03:52:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:07,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:07,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:07,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137736095] [2024-11-17 03:52:07,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137736095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:07,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:07,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:07,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040900418] [2024-11-17 03:52:07,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:07,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:07,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:07,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:07,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:07,117 INFO L87 Difference]: Start difference. First operand 231 states and 332 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:07,154 INFO L93 Difference]: Finished difference Result 464 states and 659 transitions. [2024-11-17 03:52:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:07,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-17 03:52:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:07,156 INFO L225 Difference]: With dead ends: 464 [2024-11-17 03:52:07,157 INFO L226 Difference]: Without dead ends: 247 [2024-11-17 03:52:07,157 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 03:52:07,159 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 15 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:07,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 498 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:52:07,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-17 03:52:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-17 03:52:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 243 states have (on average 1.4320987654320987) internal successors, (348), 246 states have internal predecessors, (348), 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 03:52:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 348 transitions. [2024-11-17 03:52:07,180 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 348 transitions. Word has length 44 [2024-11-17 03:52:07,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:07,181 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 348 transitions. [2024-11-17 03:52:07,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 348 transitions. [2024-11-17 03:52:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 03:52:07,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:07,185 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:07,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:52:07,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:07,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash -858521190, now seen corresponding path program 1 times [2024-11-17 03:52:07,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:07,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544994419] [2024-11-17 03:52:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:52:07,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:07,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544994419] [2024-11-17 03:52:07,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544994419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:07,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:07,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:07,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144245247] [2024-11-17 03:52:07,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:07,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:07,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:07,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:07,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:07,251 INFO L87 Difference]: Start difference. First operand 247 states and 348 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:07,446 INFO L93 Difference]: Finished difference Result 520 states and 752 transitions. [2024-11-17 03:52:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:07,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-17 03:52:07,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:07,448 INFO L225 Difference]: With dead ends: 520 [2024-11-17 03:52:07,448 INFO L226 Difference]: Without dead ends: 291 [2024-11-17 03:52:07,449 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 03:52:07,454 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 80 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:07,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 362 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:07,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-17 03:52:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 281. [2024-11-17 03:52:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 277 states have (on average 1.4259927797833936) internal successors, (395), 280 states have internal predecessors, (395), 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 03:52:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 395 transitions. [2024-11-17 03:52:07,463 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 395 transitions. Word has length 44 [2024-11-17 03:52:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:07,463 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 395 transitions. [2024-11-17 03:52:07,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 395 transitions. [2024-11-17 03:52:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 03:52:07,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:07,465 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:07,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:52:07,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:07,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:07,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1161478295, now seen corresponding path program 1 times [2024-11-17 03:52:07,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:07,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38293981] [2024-11-17 03:52:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:07,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:07,514 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 03:52:07,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:07,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38293981] [2024-11-17 03:52:07,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38293981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:07,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:07,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:07,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689144252] [2024-11-17 03:52:07,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:07,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:07,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:07,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:07,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:07,517 INFO L87 Difference]: Start difference. First operand 281 states and 395 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:07,692 INFO L93 Difference]: Finished difference Result 606 states and 871 transitions. [2024-11-17 03:52:07,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:07,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-17 03:52:07,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:07,696 INFO L225 Difference]: With dead ends: 606 [2024-11-17 03:52:07,696 INFO L226 Difference]: Without dead ends: 345 [2024-11-17 03:52:07,696 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 03:52:07,697 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 56 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:07,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-17 03:52:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 323. [2024-11-17 03:52:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 319 states have (on average 1.4200626959247649) internal successors, (453), 322 states have internal predecessors, (453), 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 03:52:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 453 transitions. [2024-11-17 03:52:07,717 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 453 transitions. Word has length 44 [2024-11-17 03:52:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:07,719 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 453 transitions. [2024-11-17 03:52:07,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 03:52:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 453 transitions. [2024-11-17 03:52:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 03:52:07,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:07,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:07,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:52:07,732 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:07,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:07,733 INFO L85 PathProgramCache]: Analyzing trace with hash 47329826, now seen corresponding path program 1 times [2024-11-17 03:52:07,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:07,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145427935] [2024-11-17 03:52:07,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 03:52:07,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:07,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145427935] [2024-11-17 03:52:07,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145427935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:07,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:07,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:07,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815782879] [2024-11-17 03:52:07,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:07,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:07,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:07,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:07,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:07,788 INFO L87 Difference]: Start difference. First operand 323 states and 453 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 03:52:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:07,948 INFO L93 Difference]: Finished difference Result 671 states and 953 transitions. [2024-11-17 03:52:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:07,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 68 [2024-11-17 03:52:07,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:07,950 INFO L225 Difference]: With dead ends: 671 [2024-11-17 03:52:07,950 INFO L226 Difference]: Without dead ends: 375 [2024-11-17 03:52:07,951 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 03:52:07,952 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 80 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:07,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 342 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-17 03:52:07,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 365. [2024-11-17 03:52:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 361 states have (on average 1.4349030470914128) internal successors, (518), 364 states have internal predecessors, (518), 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 03:52:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 518 transitions. [2024-11-17 03:52:07,961 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 518 transitions. Word has length 68 [2024-11-17 03:52:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 518 transitions. [2024-11-17 03:52:07,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 03:52:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 518 transitions. [2024-11-17 03:52:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:52:07,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:07,963 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:07,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:52:07,964 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:07,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -701634770, now seen corresponding path program 1 times [2024-11-17 03:52:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:07,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339709016] [2024-11-17 03:52:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 03:52:08,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:08,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339709016] [2024-11-17 03:52:08,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339709016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:08,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:08,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:08,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534576161] [2024-11-17 03:52:08,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:08,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:08,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:08,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:08,058 INFO L87 Difference]: Start difference. First operand 365 states and 518 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 03:52:08,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:08,222 INFO L93 Difference]: Finished difference Result 765 states and 1099 transitions. [2024-11-17 03:52:08,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:08,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 97 [2024-11-17 03:52:08,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:08,225 INFO L225 Difference]: With dead ends: 765 [2024-11-17 03:52:08,225 INFO L226 Difference]: Without dead ends: 430 [2024-11-17 03:52:08,225 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 03:52:08,226 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 40 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:08,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 423 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:08,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-17 03:52:08,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 415. [2024-11-17 03:52:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 411 states have (on average 1.3698296836982968) internal successors, (563), 414 states have internal predecessors, (563), 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 03:52:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 563 transitions. [2024-11-17 03:52:08,236 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 563 transitions. Word has length 97 [2024-11-17 03:52:08,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:08,236 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 563 transitions. [2024-11-17 03:52:08,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 03:52:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 563 transitions. [2024-11-17 03:52:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:52:08,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:08,238 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:08,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:52:08,238 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:08,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:08,239 INFO L85 PathProgramCache]: Analyzing trace with hash 431555823, now seen corresponding path program 1 times [2024-11-17 03:52:08,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:08,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867089387] [2024-11-17 03:52:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 03:52:08,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:08,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867089387] [2024-11-17 03:52:08,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867089387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:08,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:08,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:08,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344732658] [2024-11-17 03:52:08,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:08,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:08,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:08,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:08,295 INFO L87 Difference]: Start difference. First operand 415 states and 563 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 03:52:08,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:08,423 INFO L93 Difference]: Finished difference Result 825 states and 1121 transitions. [2024-11-17 03:52:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:08,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 97 [2024-11-17 03:52:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:08,426 INFO L225 Difference]: With dead ends: 825 [2024-11-17 03:52:08,426 INFO L226 Difference]: Without dead ends: 440 [2024-11-17 03:52:08,426 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 03:52:08,427 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 9 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:08,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 445 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-17 03:52:08,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-17 03:52:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 436 states have (on average 1.360091743119266) internal successors, (593), 439 states have internal predecessors, (593), 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 03:52:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 593 transitions. [2024-11-17 03:52:08,442 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 593 transitions. Word has length 97 [2024-11-17 03:52:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:08,442 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 593 transitions. [2024-11-17 03:52:08,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 03:52:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 593 transitions. [2024-11-17 03:52:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 03:52:08,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:08,444 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:08,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:52:08,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:08,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 23750161, now seen corresponding path program 1 times [2024-11-17 03:52:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679042352] [2024-11-17 03:52:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:52:08,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:08,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679042352] [2024-11-17 03:52:08,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679042352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:08,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:08,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:08,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86751858] [2024-11-17 03:52:08,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:08,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:08,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:08,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:08,511 INFO L87 Difference]: Start difference. First operand 440 states and 593 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 03:52:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:08,668 INFO L93 Difference]: Finished difference Result 864 states and 1167 transitions. [2024-11-17 03:52:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:08,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 111 [2024-11-17 03:52:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:08,671 INFO L225 Difference]: With dead ends: 864 [2024-11-17 03:52:08,671 INFO L226 Difference]: Without dead ends: 453 [2024-11-17 03:52:08,671 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 03:52:08,672 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 81 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:08,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 339 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-17 03:52:08,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 443. [2024-11-17 03:52:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 439 states have (on average 1.357630979498861) internal successors, (596), 442 states have internal predecessors, (596), 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 03:52:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 596 transitions. [2024-11-17 03:52:08,682 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 596 transitions. Word has length 111 [2024-11-17 03:52:08,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:08,683 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 596 transitions. [2024-11-17 03:52:08,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 03:52:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 596 transitions. [2024-11-17 03:52:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 03:52:08,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:08,684 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:08,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:52:08,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:08,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash -382229536, now seen corresponding path program 1 times [2024-11-17 03:52:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968185275] [2024-11-17 03:52:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:08,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:52:08,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:08,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968185275] [2024-11-17 03:52:08,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968185275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:08,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:08,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:08,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406233210] [2024-11-17 03:52:08,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:08,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:08,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:08,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:08,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:08,758 INFO L87 Difference]: Start difference. First operand 443 states and 596 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 03:52:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:08,896 INFO L93 Difference]: Finished difference Result 883 states and 1191 transitions. [2024-11-17 03:52:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:08,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 03:52:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:08,899 INFO L225 Difference]: With dead ends: 883 [2024-11-17 03:52:08,899 INFO L226 Difference]: Without dead ends: 470 [2024-11-17 03:52:08,900 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 03:52:08,901 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 9 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:08,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 444 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:08,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-17 03:52:08,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2024-11-17 03:52:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 466 states have (on average 1.3476394849785407) internal successors, (628), 469 states have internal predecessors, (628), 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 03:52:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 628 transitions. [2024-11-17 03:52:08,913 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 628 transitions. Word has length 122 [2024-11-17 03:52:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:08,913 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 628 transitions. [2024-11-17 03:52:08,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 03:52:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 628 transitions. [2024-11-17 03:52:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-17 03:52:08,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:08,915 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:08,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 03:52:08,915 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:08,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1470742977, now seen corresponding path program 1 times [2024-11-17 03:52:08,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:08,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824016217] [2024-11-17 03:52:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-17 03:52:08,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:08,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824016217] [2024-11-17 03:52:08,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824016217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:08,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:08,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:08,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785515157] [2024-11-17 03:52:08,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:08,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:08,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:08,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:08,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:08,979 INFO L87 Difference]: Start difference. First operand 470 states and 628 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 03:52:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:09,122 INFO L93 Difference]: Finished difference Result 939 states and 1259 transitions. [2024-11-17 03:52:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:09,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 03:52:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:09,125 INFO L225 Difference]: With dead ends: 939 [2024-11-17 03:52:09,125 INFO L226 Difference]: Without dead ends: 499 [2024-11-17 03:52:09,125 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 03:52:09,126 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 9 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:09,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 444 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-17 03:52:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-17 03:52:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 495 states have (on average 1.3373737373737373) internal successors, (662), 498 states have internal predecessors, (662), 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 03:52:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 662 transitions. [2024-11-17 03:52:09,139 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 662 transitions. Word has length 152 [2024-11-17 03:52:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:09,139 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 662 transitions. [2024-11-17 03:52:09,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 03:52:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 662 transitions. [2024-11-17 03:52:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-17 03:52:09,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:09,141 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:09,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:52:09,142 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1990508733, now seen corresponding path program 1 times [2024-11-17 03:52:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345728839] [2024-11-17 03:52:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:09,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:09,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345728839] [2024-11-17 03:52:09,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345728839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:09,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:09,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260444263] [2024-11-17 03:52:09,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:09,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:09,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:09,220 INFO L87 Difference]: Start difference. First operand 499 states and 662 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 03:52:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:09,374 INFO L93 Difference]: Finished difference Result 1011 states and 1344 transitions. [2024-11-17 03:52:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:09,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 156 [2024-11-17 03:52:09,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:09,376 INFO L225 Difference]: With dead ends: 1011 [2024-11-17 03:52:09,376 INFO L226 Difference]: Without dead ends: 542 [2024-11-17 03:52:09,377 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 03:52:09,378 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 81 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:09,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 348 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:09,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-17 03:52:09,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 515. [2024-11-17 03:52:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 511 states have (on average 1.3365949119373777) internal successors, (683), 514 states have internal predecessors, (683), 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 03:52:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 683 transitions. [2024-11-17 03:52:09,390 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 683 transitions. Word has length 156 [2024-11-17 03:52:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:09,390 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 683 transitions. [2024-11-17 03:52:09,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 03:52:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 683 transitions. [2024-11-17 03:52:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-17 03:52:09,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:09,392 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:09,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:52:09,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:09,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:09,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1316014145, now seen corresponding path program 1 times [2024-11-17 03:52:09,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:09,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296529443] [2024-11-17 03:52:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:09,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:09,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296529443] [2024-11-17 03:52:09,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296529443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:09,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:09,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:09,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502715615] [2024-11-17 03:52:09,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:09,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:09,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:09,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:09,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:09,462 INFO L87 Difference]: Start difference. First operand 515 states and 683 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 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 03:52:09,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:09,604 INFO L93 Difference]: Finished difference Result 1043 states and 1385 transitions. [2024-11-17 03:52:09,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:09,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 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 171 [2024-11-17 03:52:09,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:09,607 INFO L225 Difference]: With dead ends: 1043 [2024-11-17 03:52:09,607 INFO L226 Difference]: Without dead ends: 558 [2024-11-17 03:52:09,608 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 03:52:09,608 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 38 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:09,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 452 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-17 03:52:09,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 538. [2024-11-17 03:52:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 534 states have (on average 1.3314606741573034) internal successors, (711), 537 states have internal predecessors, (711), 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 03:52:09,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 711 transitions. [2024-11-17 03:52:09,621 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 711 transitions. Word has length 171 [2024-11-17 03:52:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:09,621 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 711 transitions. [2024-11-17 03:52:09,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 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 03:52:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 711 transitions. [2024-11-17 03:52:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-17 03:52:09,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:09,624 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:09,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 03:52:09,624 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:09,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:09,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1004364137, now seen corresponding path program 1 times [2024-11-17 03:52:09,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:09,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019415872] [2024-11-17 03:52:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:09,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 128 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:09,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019415872] [2024-11-17 03:52:09,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019415872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:09,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497577331] [2024-11-17 03:52:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:09,736 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 03:52:09,738 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 03:52:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:09,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:52:09,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 128 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:09,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 128 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:10,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497577331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:10,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:10,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-17 03:52:10,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441614027] [2024-11-17 03:52:10,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:10,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:52:10,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:10,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:52:10,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:52:10,077 INFO L87 Difference]: Start difference. First operand 538 states and 711 transitions. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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 03:52:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:10,674 INFO L93 Difference]: Finished difference Result 2145 states and 2873 transitions. [2024-11-17 03:52:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:52:10,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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 03:52:10,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:10,680 INFO L225 Difference]: With dead ends: 2145 [2024-11-17 03:52:10,681 INFO L226 Difference]: Without dead ends: 1602 [2024-11-17 03:52:10,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:52:10,684 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 716 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:10,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 1198 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 03:52:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2024-11-17 03:52:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1367. [2024-11-17 03:52:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1363 states have (on average 1.3646368305209098) internal successors, (1860), 1366 states have internal predecessors, (1860), 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 03:52:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1860 transitions. [2024-11-17 03:52:10,714 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1860 transitions. Word has length 186 [2024-11-17 03:52:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:10,714 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1860 transitions. [2024-11-17 03:52:10,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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 03:52:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1860 transitions. [2024-11-17 03:52:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-17 03:52:10,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:10,716 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:10,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:52:10,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 03:52:10,918 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:10,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:10,918 INFO L85 PathProgramCache]: Analyzing trace with hash -780405731, now seen corresponding path program 1 times [2024-11-17 03:52:10,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:10,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400780640] [2024-11-17 03:52:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:11,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400780640] [2024-11-17 03:52:11,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400780640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837894235] [2024-11-17 03:52:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:11,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:11,016 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 03:52:11,018 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 03:52:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:11,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:52:11,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:11,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-17 03:52:11,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837894235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:11,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:11,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-17 03:52:11,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348467437] [2024-11-17 03:52:11,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:11,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:52:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:11,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:52:11,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:52:11,274 INFO L87 Difference]: Start difference. First operand 1367 states and 1860 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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 03:52:11,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:11,954 INFO L93 Difference]: Finished difference Result 3830 states and 5143 transitions. [2024-11-17 03:52:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:52:11,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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 187 [2024-11-17 03:52:11,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:11,963 INFO L225 Difference]: With dead ends: 3830 [2024-11-17 03:52:11,963 INFO L226 Difference]: Without dead ends: 2493 [2024-11-17 03:52:11,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:52:11,966 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 581 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:11,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1509 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 03:52:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2024-11-17 03:52:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2162. [2024-11-17 03:52:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2162 states, 2158 states have (on average 1.3290083410565339) internal successors, (2868), 2161 states have internal predecessors, (2868), 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 03:52:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 2868 transitions. [2024-11-17 03:52:12,016 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 2868 transitions. Word has length 187 [2024-11-17 03:52:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:12,017 INFO L471 AbstractCegarLoop]: Abstraction has 2162 states and 2868 transitions. [2024-11-17 03:52:12,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 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 03:52:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2868 transitions. [2024-11-17 03:52:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-17 03:52:12,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:12,020 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:12,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 03:52:12,220 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,SelfDestructingSolverStorable15 [2024-11-17 03:52:12,221 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:12,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1719906165, now seen corresponding path program 1 times [2024-11-17 03:52:12,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521165544] [2024-11-17 03:52:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:12,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-17 03:52:12,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:12,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521165544] [2024-11-17 03:52:12,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521165544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:12,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:12,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:12,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566513910] [2024-11-17 03:52:12,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:12,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:12,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:12,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:12,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:12,279 INFO L87 Difference]: Start difference. First operand 2162 states and 2868 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 03:52:12,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:12,381 INFO L93 Difference]: Finished difference Result 5587 states and 7419 transitions. [2024-11-17 03:52:12,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:12,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 188 [2024-11-17 03:52:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:12,392 INFO L225 Difference]: With dead ends: 5587 [2024-11-17 03:52:12,393 INFO L226 Difference]: Without dead ends: 3455 [2024-11-17 03:52:12,395 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 03:52:12,396 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 195 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:12,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 717 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:52:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2024-11-17 03:52:12,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3189. [2024-11-17 03:52:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 3185 states have (on average 1.3350078492935635) internal successors, (4252), 3188 states have internal predecessors, (4252), 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 03:52:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4252 transitions. [2024-11-17 03:52:12,467 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4252 transitions. Word has length 188 [2024-11-17 03:52:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:12,467 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 4252 transitions. [2024-11-17 03:52:12,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 03:52:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4252 transitions. [2024-11-17 03:52:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 03:52:12,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:12,470 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:12,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 03:52:12,470 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:12,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:12,471 INFO L85 PathProgramCache]: Analyzing trace with hash 935214803, now seen corresponding path program 1 times [2024-11-17 03:52:12,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471329446] [2024-11-17 03:52:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-17 03:52:12,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:12,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471329446] [2024-11-17 03:52:12,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471329446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:12,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:12,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:12,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176604501] [2024-11-17 03:52:12,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:12,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:12,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:12,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:12,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:12,523 INFO L87 Difference]: Start difference. First operand 3189 states and 4252 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 03:52:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:12,698 INFO L93 Difference]: Finished difference Result 5801 states and 7698 transitions. [2024-11-17 03:52:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:12,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 198 [2024-11-17 03:52:12,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:12,708 INFO L225 Difference]: With dead ends: 5801 [2024-11-17 03:52:12,708 INFO L226 Difference]: Without dead ends: 2642 [2024-11-17 03:52:12,712 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 03:52:12,712 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 9 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:12,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 427 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2024-11-17 03:52:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 1857. [2024-11-17 03:52:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1855 states have (on average 1.2986522911051213) internal successors, (2409), 1856 states have internal predecessors, (2409), 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 03:52:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2409 transitions. [2024-11-17 03:52:12,759 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2409 transitions. Word has length 198 [2024-11-17 03:52:12,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:12,760 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2409 transitions. [2024-11-17 03:52:12,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 03:52:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2409 transitions. [2024-11-17 03:52:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-17 03:52:12,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:12,763 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:12,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 03:52:12,763 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:12,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:12,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1749669715, now seen corresponding path program 1 times [2024-11-17 03:52:12,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:12,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274580735] [2024-11-17 03:52:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-11-17 03:52:12,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:12,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274580735] [2024-11-17 03:52:12,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274580735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:12,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:12,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:12,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262489711] [2024-11-17 03:52:12,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:12,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:12,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:12,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:12,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:12,855 INFO L87 Difference]: Start difference. First operand 1857 states and 2409 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 03:52:13,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:13,013 INFO L93 Difference]: Finished difference Result 3665 states and 4709 transitions. [2024-11-17 03:52:13,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:13,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 229 [2024-11-17 03:52:13,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:13,019 INFO L225 Difference]: With dead ends: 3665 [2024-11-17 03:52:13,019 INFO L226 Difference]: Without dead ends: 1582 [2024-11-17 03:52:13,022 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 03:52:13,022 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 26 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:13,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 428 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-17 03:52:13,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1562. [2024-11-17 03:52:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1560 states have (on average 1.2762820512820512) internal successors, (1991), 1561 states have internal predecessors, (1991), 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 03:52:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1991 transitions. [2024-11-17 03:52:13,056 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1991 transitions. Word has length 229 [2024-11-17 03:52:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 1562 states and 1991 transitions. [2024-11-17 03:52:13,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 03:52:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1991 transitions. [2024-11-17 03:52:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-17 03:52:13,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:13,060 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:13,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 03:52:13,061 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:13,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash -356243343, now seen corresponding path program 1 times [2024-11-17 03:52:13,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:13,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073508353] [2024-11-17 03:52:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-17 03:52:13,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:13,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073508353] [2024-11-17 03:52:13,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073508353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:13,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:13,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:13,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146117368] [2024-11-17 03:52:13,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:13,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:13,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:13,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:13,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:13,133 INFO L87 Difference]: Start difference. First operand 1562 states and 1991 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 03:52:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:13,282 INFO L93 Difference]: Finished difference Result 2629 states and 3340 transitions. [2024-11-17 03:52:13,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:13,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 266 [2024-11-17 03:52:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:13,286 INFO L225 Difference]: With dead ends: 2629 [2024-11-17 03:52:13,286 INFO L226 Difference]: Without dead ends: 809 [2024-11-17 03:52:13,288 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 03:52:13,289 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 64 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:13,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 372 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:13,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-17 03:52:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 806. [2024-11-17 03:52:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 804 states have (on average 1.271144278606965) internal successors, (1022), 805 states have internal predecessors, (1022), 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 03:52:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1022 transitions. [2024-11-17 03:52:13,306 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1022 transitions. Word has length 266 [2024-11-17 03:52:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:13,307 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1022 transitions. [2024-11-17 03:52:13,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 03:52:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1022 transitions. [2024-11-17 03:52:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-17 03:52:13,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:13,311 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:13,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 03:52:13,311 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:13,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:13,312 INFO L85 PathProgramCache]: Analyzing trace with hash 772600518, now seen corresponding path program 1 times [2024-11-17 03:52:13,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:13,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888391253] [2024-11-17 03:52:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-17 03:52:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:13,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888391253] [2024-11-17 03:52:13,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888391253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:13,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:13,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:13,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374271776] [2024-11-17 03:52:13,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:13,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:13,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:13,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:13,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:13,419 INFO L87 Difference]: Start difference. First operand 806 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 03:52:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:13,574 INFO L93 Difference]: Finished difference Result 1690 states and 2138 transitions. [2024-11-17 03:52:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:13,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 341 [2024-11-17 03:52:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:13,579 INFO L225 Difference]: With dead ends: 1690 [2024-11-17 03:52:13,579 INFO L226 Difference]: Without dead ends: 914 [2024-11-17 03:52:13,580 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 03:52:13,581 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 9 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:13,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 417 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:13,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-17 03:52:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2024-11-17 03:52:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 912 states have (on average 1.2554824561403508) internal successors, (1145), 913 states have internal predecessors, (1145), 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 03:52:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1145 transitions. [2024-11-17 03:52:13,606 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1145 transitions. Word has length 341 [2024-11-17 03:52:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:13,607 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1145 transitions. [2024-11-17 03:52:13,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 03:52:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1145 transitions. [2024-11-17 03:52:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-17 03:52:13,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:13,613 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:13,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-17 03:52:13,614 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:13,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2026429000, now seen corresponding path program 1 times [2024-11-17 03:52:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:13,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643060961] [2024-11-17 03:52:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 690 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-11-17 03:52:13,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:13,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643060961] [2024-11-17 03:52:13,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643060961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:13,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:13,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:13,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67020486] [2024-11-17 03:52:13,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:13,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:13,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:13,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:13,710 INFO L87 Difference]: Start difference. First operand 914 states and 1145 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 03:52:13,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:13,852 INFO L93 Difference]: Finished difference Result 1912 states and 2396 transitions. [2024-11-17 03:52:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:13,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 375 [2024-11-17 03:52:13,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:13,856 INFO L225 Difference]: With dead ends: 1912 [2024-11-17 03:52:13,857 INFO L226 Difference]: Without dead ends: 1028 [2024-11-17 03:52:13,858 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 03:52:13,858 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 9 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:13,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 417 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-17 03:52:13,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2024-11-17 03:52:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1026 states have (on average 1.2417153996101364) internal successors, (1274), 1027 states have internal predecessors, (1274), 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 03:52:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1274 transitions. [2024-11-17 03:52:13,877 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1274 transitions. Word has length 375 [2024-11-17 03:52:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:13,878 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1274 transitions. [2024-11-17 03:52:13,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 03:52:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1274 transitions. [2024-11-17 03:52:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-17 03:52:13,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:13,884 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:13,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-17 03:52:13,884 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:13,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:13,885 INFO L85 PathProgramCache]: Analyzing trace with hash -980854108, now seen corresponding path program 1 times [2024-11-17 03:52:13,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072044274] [2024-11-17 03:52:13,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:13,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 795 proven. 0 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2024-11-17 03:52:13,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072044274] [2024-11-17 03:52:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072044274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:13,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:13,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:13,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724745506] [2024-11-17 03:52:13,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:13,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:13,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:13,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:13,975 INFO L87 Difference]: Start difference. First operand 1028 states and 1274 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 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 03:52:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:14,129 INFO L93 Difference]: Finished difference Result 2025 states and 2508 transitions. [2024-11-17 03:52:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:14,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 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) Word has length 411 [2024-11-17 03:52:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:14,134 INFO L225 Difference]: With dead ends: 2025 [2024-11-17 03:52:14,134 INFO L226 Difference]: Without dead ends: 1027 [2024-11-17 03:52:14,135 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 03:52:14,136 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 9 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:14,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 413 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:52:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-17 03:52:14,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 787. [2024-11-17 03:52:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 785 states have (on average 1.2522292993630573) internal successors, (983), 786 states have internal predecessors, (983), 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 03:52:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 983 transitions. [2024-11-17 03:52:14,152 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 983 transitions. Word has length 411 [2024-11-17 03:52:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:14,152 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 983 transitions. [2024-11-17 03:52:14,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 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 03:52:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 983 transitions. [2024-11-17 03:52:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2024-11-17 03:52:14,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:14,159 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:14,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 03:52:14,159 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:14,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:14,160 INFO L85 PathProgramCache]: Analyzing trace with hash -705323893, now seen corresponding path program 1 times [2024-11-17 03:52:14,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:14,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190601845] [2024-11-17 03:52:14,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:14,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 1070 proven. 0 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2024-11-17 03:52:14,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:14,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190601845] [2024-11-17 03:52:14,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190601845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:52:14,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:52:14,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:52:14,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842924481] [2024-11-17 03:52:14,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:52:14,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:52:14,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:14,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:52:14,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:52:14,319 INFO L87 Difference]: Start difference. First operand 787 states and 983 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 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 03:52:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:14,369 INFO L93 Difference]: Finished difference Result 2015 states and 2498 transitions. [2024-11-17 03:52:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:52:14,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 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 452 [2024-11-17 03:52:14,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:14,374 INFO L225 Difference]: With dead ends: 2015 [2024-11-17 03:52:14,374 INFO L226 Difference]: Without dead ends: 1258 [2024-11-17 03:52:14,376 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 03:52:14,378 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 99 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:14,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 505 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:52:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2024-11-17 03:52:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2024-11-17 03:52:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1256 states have (on average 1.23328025477707) internal successors, (1549), 1257 states have internal predecessors, (1549), 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 03:52:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1549 transitions. [2024-11-17 03:52:14,407 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1549 transitions. Word has length 452 [2024-11-17 03:52:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:14,410 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1549 transitions. [2024-11-17 03:52:14,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 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 03:52:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1549 transitions. [2024-11-17 03:52:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2024-11-17 03:52:14,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:52:14,418 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:14,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 03:52:14,419 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 03:52:14,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:52:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash -536180118, now seen corresponding path program 1 times [2024-11-17 03:52:14,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:52:14,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548448973] [2024-11-17 03:52:14,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:52:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 400 proven. 9 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2024-11-17 03:52:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:52:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548448973] [2024-11-17 03:52:14,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548448973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:52:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674578358] [2024-11-17 03:52:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:52:14,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:14,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:52:14,612 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 03:52:14,614 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 03:52:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:52:14,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:52:14,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:52:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 400 proven. 9 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2024-11-17 03:52:14,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:52:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1888 backedges. 400 proven. 9 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2024-11-17 03:52:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674578358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:52:14,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:52:14,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-17 03:52:14,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088202803] [2024-11-17 03:52:14,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:52:14,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:52:14,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:52:14,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:52:14,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:52:14,955 INFO L87 Difference]: Start difference. First operand 1258 states and 1549 transitions. Second operand has 8 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 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 03:52:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:52:15,183 INFO L93 Difference]: Finished difference Result 2324 states and 2845 transitions. [2024-11-17 03:52:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:52:15,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 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 452 [2024-11-17 03:52:15,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:52:15,188 INFO L225 Difference]: With dead ends: 2324 [2024-11-17 03:52:15,189 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:52:15,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 901 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 03:52:15,192 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 86 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:52:15,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 999 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:52:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:52:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:52:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:52:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:52:15,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 452 [2024-11-17 03:52:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:52:15,195 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:52:15,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 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 03:52:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:52:15,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:52:15,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 03:52:15,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 03:52:15,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 03:52:15,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 03:52:15,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:52:15,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:52:15,405 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:52:15,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:52:16,266 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:52:16,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:52:16 BoogieIcfgContainer [2024-11-17 03:52:16,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:52:16,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:52:16,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:52:16,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:52:16,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:52:05" (3/4) ... [2024-11-17 03:52:16,286 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:52:16,308 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-17 03:52:16,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 03:52:16,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 03:52:16,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:52:16,455 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:52:16,455 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:52:16,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:52:16,456 INFO L158 Benchmark]: Toolchain (without parser) took 12499.56ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 80.8MB in the beginning and 257.1MB in the end (delta: -176.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,456 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:52:16,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.46ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 120.5MB in the end (delta: -40.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.24ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 117.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,457 INFO L158 Benchmark]: Boogie Preprocessor took 69.73ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 115.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,457 INFO L158 Benchmark]: IcfgBuilder took 1012.60ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 84.9MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,457 INFO L158 Benchmark]: TraceAbstraction took 10707.90ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 84.3MB in the beginning and 268.6MB in the end (delta: -184.3MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,457 INFO L158 Benchmark]: Witness Printer took 172.81ms. Allocated memory is still 358.6MB. Free memory was 268.6MB in the beginning and 257.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:52:16,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.46ms. Allocated memory is still 155.2MB. Free memory was 80.5MB in the beginning and 120.5MB in the end (delta: -40.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.24ms. Allocated memory is still 155.2MB. Free memory was 120.5MB in the beginning and 117.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.73ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 115.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1012.60ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 84.9MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10707.90ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 84.3MB in the beginning and 268.6MB in the end (delta: -184.3MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. * Witness Printer took 172.81ms. Allocated memory is still 358.6MB. Free memory was 268.6MB in the beginning and 257.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 203 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 25, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2522 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2522 mSDsluCounter, 13032 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6261 mSDsCounter, 444 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4478 IncrementalHoareTripleChecker+Invalid, 4922 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 444 mSolverCounterUnsat, 6771 mSDtfsCounter, 4478 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1740 GetRequests, 1695 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3189occurred in iteration=17, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 2004 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 5287 NumberOfCodeBlocks, 5287 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 6081 ConstructedInterpolants, 0 QuantifiedInterpolants, 8338 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1420 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 16062/16137 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 109]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:52:16,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE