./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:31:43,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:31:43,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-13 23:31:43,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:31:43,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:31:43,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:31:43,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:31:43,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:31:43,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:31:43,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:31:43,670 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:31:43,670 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:31:43,670 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:31:43,670 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:31:43,670 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:31:43,671 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:31:43,671 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:31:43,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:31:43,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:31:43,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:31:43,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:31:43,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:31:43,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:31:43,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:31:43,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:31:43,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:31:43,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:31:43,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:31:43,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:31:43,678 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:31:43,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:31:43,678 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2024-11-13 23:31:44,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:31:44,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:31:44,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:31:44,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:31:44,014 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:31:44,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/termination-restricted-15/b.11.c Unable to find full path for "g++" [2024-11-13 23:31:45,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:31:46,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:31:46,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/sv-benchmarks/c/termination-restricted-15/b.11.c [2024-11-13 23:31:46,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/data/8902cf7a9/e35b98a6f1114adaa51c005003208667/FLAGdea17ca56 [2024-11-13 23:31:46,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/data/8902cf7a9/e35b98a6f1114adaa51c005003208667 [2024-11-13 23:31:46,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:31:46,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:31:46,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:46,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:31:46,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:31:46,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2902c694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46, skipping insertion in model container [2024-11-13 23:31:46,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:31:46,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:46,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:31:46,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:31:46,536 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:31:46,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46 WrapperNode [2024-11-13 23:31:46,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:31:46,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:46,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:31:46,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:31:46,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,565 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-13 23:31:46,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:31:46,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:31:46,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:31:46,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:31:46,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:31:46,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:31:46,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:31:46,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:31:46,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (1/1) ... [2024-11-13 23:31:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:31:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:31:46,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:31:46,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:31:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:31:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:31:46,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:31:46,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:31:46,915 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 23:31:46,915 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:31:46,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:31:46,934 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:31:46,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:46 BoogieIcfgContainer [2024-11-13 23:31:46,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:31:46,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:31:46,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:31:46,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:31:46,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:31:46" (1/3) ... [2024-11-13 23:31:46,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ac678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:31:46, skipping insertion in model container [2024-11-13 23:31:46,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:46" (2/3) ... [2024-11-13 23:31:46,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ac678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:31:46, skipping insertion in model container [2024-11-13 23:31:46,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:46" (3/3) ... [2024-11-13 23:31:46,945 INFO L112 eAbstractionObserver]: Analyzing ICFG b.11.c [2024-11-13 23:31:46,961 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:31:46,963 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG b.11.c that has 1 procedures, 38 locations, 1 initial locations, 1 loop locations, and 12 error locations. [2024-11-13 23:31:47,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:31:47,032 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5c8da79f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:31:47,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-13 23:31:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.8) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:31:47,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:47,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:31:47,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:47,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:47,050 INFO L85 PathProgramCache]: Analyzing trace with hash 3372438, now seen corresponding path program 1 times [2024-11-13 23:31:47,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:47,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930932402] [2024-11-13 23:31:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:47,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:47,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930932402] [2024-11-13 23:31:47,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930932402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:47,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:47,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 23:31:47,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400586327] [2024-11-13 23:31:47,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:47,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:31:47,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:31:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:31:47,226 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.8) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 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, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:47,319 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2024-11-13 23:31:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:31:47,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 23:31:47,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:47,328 INFO L225 Difference]: With dead ends: 40 [2024-11-13 23:31:47,329 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 23:31:47,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:31:47,334 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:47,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 16 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 23:31:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 23:31:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-13 23:31:47,375 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 4 [2024-11-13 23:31:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:47,375 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-13 23:31:47,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-13 23:31:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:31:47,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:47,377 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 23:31:47,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:31:47,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:47,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:47,378 INFO L85 PathProgramCache]: Analyzing trace with hash 104545621, now seen corresponding path program 1 times [2024-11-13 23:31:47,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:47,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748706287] [2024-11-13 23:31:47,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:47,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:47,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748706287] [2024-11-13 23:31:47,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748706287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:47,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:47,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:31:47,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381637968] [2024-11-13 23:31:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:47,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:31:47,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:47,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:31:47,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:47,456 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:47,573 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-11-13 23:31:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:31:47,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 23:31:47,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:47,575 INFO L225 Difference]: With dead ends: 58 [2024-11-13 23:31:47,575 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 23:31:47,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:47,576 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 53 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:47,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 57 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 23:31:47,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2024-11-13 23:31:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 49 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-11-13 23:31:47,591 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 5 [2024-11-13 23:31:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-11-13 23:31:47,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-13 23:31:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:31:47,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:47,594 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:47,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:31:47,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:47,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash 844894823, now seen corresponding path program 1 times [2024-11-13 23:31:47,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:47,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144878015] [2024-11-13 23:31:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:47,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:47,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144878015] [2024-11-13 23:31:47,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144878015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:47,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:47,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:31:47,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946019639] [2024-11-13 23:31:47,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:47,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:31:47,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:31:47,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:47,680 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:47,723 INFO L93 Difference]: Finished difference Result 101 states and 134 transitions. [2024-11-13 23:31:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:31:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 23:31:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:47,725 INFO L225 Difference]: With dead ends: 101 [2024-11-13 23:31:47,725 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 23:31:47,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:47,726 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:47,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:31:47,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 23:31:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 23:31:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 45 states have (on average 1.488888888888889) internal successors, (67), 51 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2024-11-13 23:31:47,733 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 8 [2024-11-13 23:31:47,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:47,733 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2024-11-13 23:31:47,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-11-13 23:31:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:31:47,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:47,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:47,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:31:47,735 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:47,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 844944443, now seen corresponding path program 1 times [2024-11-13 23:31:47,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:47,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772713753] [2024-11-13 23:31:47,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:47,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:47,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772713753] [2024-11-13 23:31:47,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772713753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:47,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:47,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 23:31:47,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198703421] [2024-11-13 23:31:47,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:47,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:31:47,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:47,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:31:47,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:31:47,797 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:47,908 INFO L93 Difference]: Finished difference Result 76 states and 100 transitions. [2024-11-13 23:31:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:31:47,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 23:31:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:47,910 INFO L225 Difference]: With dead ends: 76 [2024-11-13 23:31:47,910 INFO L226 Difference]: Without dead ends: 75 [2024-11-13 23:31:47,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:31:47,911 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:47,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 30 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-13 23:31:47,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2024-11-13 23:31:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.5) internal successors, (93), 68 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2024-11-13 23:31:47,919 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 8 [2024-11-13 23:31:47,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:47,919 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2024-11-13 23:31:47,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-11-13 23:31:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:31:47,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:47,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:47,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:31:47,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:47,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:47,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1375524747, now seen corresponding path program 1 times [2024-11-13 23:31:47,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:47,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901959037] [2024-11-13 23:31:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:47,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:47,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901959037] [2024-11-13 23:31:47,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901959037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:47,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:47,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:31:47,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454514551] [2024-11-13 23:31:47,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:47,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:31:47,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:47,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:31:47,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:47,985 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:48,156 INFO L93 Difference]: Finished difference Result 151 states and 213 transitions. [2024-11-13 23:31:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:48,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2024-11-13 23:31:48,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:48,158 INFO L225 Difference]: With dead ends: 151 [2024-11-13 23:31:48,158 INFO L226 Difference]: Without dead ends: 150 [2024-11-13 23:31:48,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:48,159 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 64 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:48,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 56 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-13 23:31:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 126. [2024-11-13 23:31:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 125 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 176 transitions. [2024-11-13 23:31:48,181 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 176 transitions. Word has length 10 [2024-11-13 23:31:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:48,182 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 176 transitions. [2024-11-13 23:31:48,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2024-11-13 23:31:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:31:48,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:48,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:48,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:31:48,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:48,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:48,183 INFO L85 PathProgramCache]: Analyzing trace with hash 248518595, now seen corresponding path program 1 times [2024-11-13 23:31:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:48,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629104839] [2024-11-13 23:31:48,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:48,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629104839] [2024-11-13 23:31:48,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629104839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:48,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:48,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:31:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036706453] [2024-11-13 23:31:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:48,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:48,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:48,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:48,294 INFO L87 Difference]: Start difference. First operand 126 states and 176 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:48,420 INFO L93 Difference]: Finished difference Result 279 states and 388 transitions. [2024-11-13 23:31:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:48,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2024-11-13 23:31:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:48,421 INFO L225 Difference]: With dead ends: 279 [2024-11-13 23:31:48,422 INFO L226 Difference]: Without dead ends: 157 [2024-11-13 23:31:48,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:31:48,423 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:48,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 80 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-13 23:31:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 115. [2024-11-13 23:31:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 114 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 152 transitions. [2024-11-13 23:31:48,438 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 152 transitions. Word has length 10 [2024-11-13 23:31:48,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:48,438 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 152 transitions. [2024-11-13 23:31:48,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2024-11-13 23:31:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:31:48,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:48,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:48,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 23:31:48,440 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:48,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -308405731, now seen corresponding path program 1 times [2024-11-13 23:31:48,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:48,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65396169] [2024-11-13 23:31:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:48,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:48,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:48,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65396169] [2024-11-13 23:31:48,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65396169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:48,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:48,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:31:48,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025484981] [2024-11-13 23:31:48,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:48,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:48,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:48,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:48,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:48,548 INFO L87 Difference]: Start difference. First operand 115 states and 152 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:48,665 INFO L93 Difference]: Finished difference Result 204 states and 276 transitions. [2024-11-13 23:31:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:48,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 23:31:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:48,667 INFO L225 Difference]: With dead ends: 204 [2024-11-13 23:31:48,667 INFO L226 Difference]: Without dead ends: 203 [2024-11-13 23:31:48,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:48,668 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:48,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 37 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-13 23:31:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-13 23:31:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 202 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 272 transitions. [2024-11-13 23:31:48,695 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 272 transitions. Word has length 11 [2024-11-13 23:31:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:48,695 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 272 transitions. [2024-11-13 23:31:48,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 272 transitions. [2024-11-13 23:31:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:48,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:48,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:48,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 23:31:48,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:48,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:48,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1395646111, now seen corresponding path program 1 times [2024-11-13 23:31:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656410436] [2024-11-13 23:31:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:48,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656410436] [2024-11-13 23:31:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656410436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:48,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:48,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:31:48,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040780578] [2024-11-13 23:31:48,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:48,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:31:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:48,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:31:48,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:31:48,804 INFO L87 Difference]: Start difference. First operand 203 states and 272 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:48,945 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2024-11-13 23:31:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:31:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 23:31:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:48,947 INFO L225 Difference]: With dead ends: 220 [2024-11-13 23:31:48,947 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 23:31:48,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:31:48,949 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:48,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 48 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:48,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 23:31:48,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 206. [2024-11-13 23:31:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 199 states have (on average 1.35678391959799) internal successors, (270), 205 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 270 transitions. [2024-11-13 23:31:48,978 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 270 transitions. Word has length 12 [2024-11-13 23:31:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:48,979 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 270 transitions. [2024-11-13 23:31:48,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 270 transitions. [2024-11-13 23:31:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:31:48,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:48,980 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:48,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 23:31:48,984 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:48,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:48,985 INFO L85 PathProgramCache]: Analyzing trace with hash -19305556, now seen corresponding path program 1 times [2024-11-13 23:31:48,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:48,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945564601] [2024-11-13 23:31:48,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:48,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945564601] [2024-11-13 23:31:49,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945564601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:31:49,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701875174] [2024-11-13 23:31:49,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:31:49,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:31:49,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:31:49,020 INFO L87 Difference]: Start difference. First operand 206 states and 270 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,040 INFO L93 Difference]: Finished difference Result 408 states and 531 transitions. [2024-11-13 23:31:49,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:31:49,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2024-11-13 23:31:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,046 INFO L225 Difference]: With dead ends: 408 [2024-11-13 23:31:49,046 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 23:31:49,047 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 [2024-11-13 23:31:49,048 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:31:49,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 23:31:49,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-13 23:31:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 189 states have (on average 1.3015873015873016) internal successors, (246), 195 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 246 transitions. [2024-11-13 23:31:49,067 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 246 transitions. Word has length 13 [2024-11-13 23:31:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,070 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 246 transitions. [2024-11-13 23:31:49,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 246 transitions. [2024-11-13 23:31:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:31:49,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 23:31:49,071 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1630558529, now seen corresponding path program 1 times [2024-11-13 23:31:49,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401950852] [2024-11-13 23:31:49,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401950852] [2024-11-13 23:31:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401950852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:31:49,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140240729] [2024-11-13 23:31:49,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:49,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:49,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,148 INFO L87 Difference]: Start difference. First operand 196 states and 246 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,183 INFO L93 Difference]: Finished difference Result 384 states and 478 transitions. [2024-11-13 23:31:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:49,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2024-11-13 23:31:49,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,185 INFO L225 Difference]: With dead ends: 384 [2024-11-13 23:31:49,185 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 23:31:49,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,187 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:31:49,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 23:31:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-13 23:31:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 189 states have (on average 1.2804232804232805) internal successors, (242), 195 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-13 23:31:49,200 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 13 [2024-11-13 23:31:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,200 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-13 23:31:49,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-13 23:31:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:31:49,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 23:31:49,204 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 315356553, now seen corresponding path program 1 times [2024-11-13 23:31:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395239384] [2024-11-13 23:31:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395239384] [2024-11-13 23:31:49,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395239384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:31:49,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163613736] [2024-11-13 23:31:49,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:49,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:49,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,261 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,371 INFO L93 Difference]: Finished difference Result 197 states and 242 transitions. [2024-11-13 23:31:49,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:49,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2024-11-13 23:31:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,373 INFO L225 Difference]: With dead ends: 197 [2024-11-13 23:31:49,373 INFO L226 Difference]: Without dead ends: 195 [2024-11-13 23:31:49,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:31:49,375 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 54 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 22 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-13 23:31:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 155. [2024-11-13 23:31:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 154 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) [2024-11-13 23:31:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2024-11-13 23:31:49,388 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 13 [2024-11-13 23:31:49,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,388 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2024-11-13 23:31:49,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2024-11-13 23:31:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:31:49,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,389 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 23:31:49,389 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1589607336, now seen corresponding path program 1 times [2024-11-13 23:31:49,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448908450] [2024-11-13 23:31:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448908450] [2024-11-13 23:31:49,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448908450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:31:49,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989199483] [2024-11-13 23:31:49,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:49,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:49,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,463 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,561 INFO L93 Difference]: Finished difference Result 216 states and 250 transitions. [2024-11-13 23:31:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:31:49,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 23:31:49,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,564 INFO L225 Difference]: With dead ends: 216 [2024-11-13 23:31:49,564 INFO L226 Difference]: Without dead ends: 215 [2024-11-13 23:31:49,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:31:49,565 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 67 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 23 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-13 23:31:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 154. [2024-11-13 23:31:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 149 states have (on average 1.1946308724832215) internal successors, (178), 153 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2024-11-13 23:31:49,578 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 15 [2024-11-13 23:31:49,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,579 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2024-11-13 23:31:49,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2024-11-13 23:31:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:31:49,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 23:31:49,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,582 INFO L85 PathProgramCache]: Analyzing trace with hash 525125349, now seen corresponding path program 1 times [2024-11-13 23:31:49,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7799373] [2024-11-13 23:31:49,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7799373] [2024-11-13 23:31:49,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7799373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:31:49,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666012296] [2024-11-13 23:31:49,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:31:49,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:31:49,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:31:49,639 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,710 INFO L93 Difference]: Finished difference Result 226 states and 261 transitions. [2024-11-13 23:31:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:31:49,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 23:31:49,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,711 INFO L225 Difference]: With dead ends: 226 [2024-11-13 23:31:49,711 INFO L226 Difference]: Without dead ends: 86 [2024-11-13 23:31:49,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,713 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 51 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-13 23:31:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2024-11-13 23:31:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 76 states have (on average 1.1842105263157894) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2024-11-13 23:31:49,720 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 15 [2024-11-13 23:31:49,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,720 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2024-11-13 23:31:49,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2024-11-13 23:31:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:31:49,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 23:31:49,723 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1693673609, now seen corresponding path program 1 times [2024-11-13 23:31:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055319147] [2024-11-13 23:31:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055319147] [2024-11-13 23:31:49,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055319147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:49,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:49,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:31:49,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523707216] [2024-11-13 23:31:49,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:49,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:49,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:49,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:49,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:49,810 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:49,906 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2024-11-13 23:31:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:31:49,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 23:31:49,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:49,908 INFO L225 Difference]: With dead ends: 107 [2024-11-13 23:31:49,909 INFO L226 Difference]: Without dead ends: 104 [2024-11-13 23:31:49,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:31:49,910 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:49,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 24 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-13 23:31:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 68. [2024-11-13 23:31:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2024-11-13 23:31:49,917 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 16 [2024-11-13 23:31:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:49,918 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2024-11-13 23:31:49,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2024-11-13 23:31:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:31:49,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:49,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:49,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 23:31:49,920 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:49,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash -252888855, now seen corresponding path program 1 times [2024-11-13 23:31:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:49,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290185000] [2024-11-13 23:31:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:49,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290185000] [2024-11-13 23:31:49,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290185000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:31:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791518077] [2024-11-13 23:31:49,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:31:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:31:49,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:31:49,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:31:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:50,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:31:50,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:50,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:31:50,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791518077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:50,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:31:50,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 6 [2024-11-13 23:31:50,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300817723] [2024-11-13 23:31:50,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:50,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:31:50,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:50,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:31:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:31:50,114 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:50,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:50,250 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2024-11-13 23:31:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 23:31:50,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 23:31:50,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:50,251 INFO L225 Difference]: With dead ends: 87 [2024-11-13 23:31:50,251 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 23:31:50,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-13 23:31:50,253 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:50,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 58 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:31:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 23:31:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2024-11-13 23:31:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 34 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-11-13 23:31:50,258 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 22 [2024-11-13 23:31:50,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:50,258 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-11-13 23:31:50,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-11-13 23:31:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:31:50,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:31:50,259 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:50,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:50,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 23:31:50,460 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 23:31:50,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:31:50,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1693092355, now seen corresponding path program 1 times [2024-11-13 23:31:50,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:31:50,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711819718] [2024-11-13 23:31:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:31:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:50,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:31:50,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711819718] [2024-11-13 23:31:50,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711819718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:31:50,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:31:50,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:31:50,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180721102] [2024-11-13 23:31:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:31:50,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:31:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:31:50,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:31:50,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:31:50,526 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:31:50,585 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-13 23:31:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:31:50,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2024-11-13 23:31:50,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:31:50,586 INFO L225 Difference]: With dead ends: 46 [2024-11-13 23:31:50,587 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:31:50,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:31:50,587 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:31:50,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:31:50,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:31:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:31:50,589 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) [2024-11-13 23:31:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:31:50,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-11-13 23:31:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:31:50,590 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:31:50,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:31:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:31:50,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:31:50,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-13 23:31:50,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-13 23:31:50,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-13 23:31:50,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-13 23:31:50,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-13 23:31:50,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 23:31:50,600 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:31:50,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:31:50,726 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:31:50,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:31:50 BoogieIcfgContainer [2024-11-13 23:31:50,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:31:50,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:31:50,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:31:50,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:31:50,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:31:46" (3/4) ... [2024-11-13 23:31:50,748 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:31:50,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 23:31:50,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:31:50,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:31:50,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:31:50,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:31:50,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:31:50,839 INFO L158 Benchmark]: Toolchain (without parser) took 4533.90ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 36.0MB in the end (delta: 58.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-13 23:31:50,839 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:31:50,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.81ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:31:50,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.36ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:31:50,840 INFO L158 Benchmark]: Boogie Preprocessor took 23.14ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.8MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:31:50,840 INFO L158 Benchmark]: RCFGBuilder took 345.41ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 70.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:31:50,840 INFO L158 Benchmark]: TraceAbstraction took 3803.25ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 40.7MB in the end (delta: 29.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-13 23:31:50,841 INFO L158 Benchmark]: Witness Printer took 96.36ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 36.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:31:50,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.81ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.36ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.14ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.8MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.41ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 70.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3803.25ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 40.7MB in the end (delta: 29.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 96.36ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 36.0MB in the end (delta: 4.7MB). There was no memory consumed. 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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, 38 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 527 mSDsluCounter, 810 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 414 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 874 IncrementalHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 396 mSDtfsCounter, 874 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=8, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 238 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 651 SizeOfPredicates, 1 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 15/17 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 12 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((x <= 2147483647) && (0 <= (x + 2147483648))) && (0 <= (y + 2147483648))) && (y <= 2147483647)) || (((0 <= ((long) x + 2147483646)) && (y <= 2147483647)) && (((long) x + 1) <= 0))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:31:50,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfa5475-7eb7-4978-a6aa-b07c137ecf4e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE