./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i --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_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/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_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/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_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/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 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:13:44,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:13:44,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 03:13:44,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:13:44,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:13:44,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:13:44,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:13:44,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:13:44,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:13:44,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:13:44,855 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:13:44,855 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:13:44,857 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:13:44,858 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:13:44,858 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:13:44,858 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:13:44,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:13:44,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:13:44,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:13:44,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:13:44,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:13:44,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:13:44,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:13:44,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:13:44,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:13:44,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:13:44,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:13:44,862 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:13:44,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:13:44,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:13:44,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:13:44,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:13:44,863 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_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/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 -> 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 [2024-11-14 03:13:45,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:13:45,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:13:45,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:13:45,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:13:45,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:13:45,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i Unable to find full path for "g++" [2024-11-14 03:13:47,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:13:47,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:13:47,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2024-11-14 03:13:47,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/data/0869843e6/61cd9576a8d24d7b9dac898f1dde581f/FLAGec8888c30 [2024-11-14 03:13:47,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/data/0869843e6/61cd9576a8d24d7b9dac898f1dde581f [2024-11-14 03:13:47,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:13:47,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:13:47,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:13:47,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:13:47,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:13:47,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:47,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c98d404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47, skipping insertion in model container [2024-11-14 03:13:47,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:47,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:13:47,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:13:47,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:13:47,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:13:47,993 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:13:47,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47 WrapperNode [2024-11-14 03:13:47,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:13:47,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:13:47,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:13:47,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:13:48,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,054 INFO L138 Inliner]: procedures = 110, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2024-11-14 03:13:48,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:13:48,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:13:48,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:13:48,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:13:48,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:13:48,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:13:48,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:13:48,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:13:48,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (1/1) ... [2024-11-14 03:13:48,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:13:48,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:13:48,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:13:48,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:13:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:13:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:13:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:13:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:13:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:13:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:13:48,329 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:13:48,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:13:48,773 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2024-11-14 03:13:48,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:13:48,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:13:48,859 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:13:48,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:13:48 BoogieIcfgContainer [2024-11-14 03:13:48,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:13:48,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:13:48,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:13:48,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:13:48,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:13:47" (1/3) ... [2024-11-14 03:13:48,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e79184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:13:48, skipping insertion in model container [2024-11-14 03:13:48,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:13:47" (2/3) ... [2024-11-14 03:13:48,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e79184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:13:48, skipping insertion in model container [2024-11-14 03:13:48,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:13:48" (3/3) ... [2024-11-14 03:13:48,870 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca-2.i [2024-11-14 03:13:48,888 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:13:48,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Toulouse-MultiBranchesToLoop-alloca-2.i that has 1 procedures, 92 locations, 1 initial locations, 1 loop locations, and 36 error locations. [2024-11-14 03:13:48,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:13:48,982 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;@7f5d9be1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:13:48,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-14 03:13:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.8363636363636364) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:48,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 03:13:48,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:48,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 03:13:48,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:49,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash 187011, now seen corresponding path program 1 times [2024-11-14 03:13:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:49,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867834697] [2024-11-14 03:13:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:49,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:49,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:49,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867834697] [2024-11-14 03:13:49,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867834697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:49,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:49,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:13:49,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197793931] [2024-11-14 03:13:49,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:49,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:49,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:49,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:49,682 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.8363636363636364) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:49,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:49,871 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2024-11-14 03:13:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:49,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2024-11-14 03:13:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:49,882 INFO L225 Difference]: With dead ends: 94 [2024-11-14 03:13:49,882 INFO L226 Difference]: Without dead ends: 89 [2024-11-14 03:13:49,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:49,891 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:49,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 234 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:49,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-14 03:13:49,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-14 03:13:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.7962962962962963) internal successors, (97), 88 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2024-11-14 03:13:49,931 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 3 [2024-11-14 03:13:49,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:49,931 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2024-11-14 03:13:49,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2024-11-14 03:13:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 03:13:49,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:49,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 03:13:49,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:13:49,934 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:49,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 186819, now seen corresponding path program 1 times [2024-11-14 03:13:49,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:49,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792034055] [2024-11-14 03:13:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:49,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:50,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:50,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792034055] [2024-11-14 03:13:50,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792034055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:50,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:50,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:13:50,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635090413] [2024-11-14 03:13:50,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:50,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:50,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:50,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:50,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,079 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:50,197 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2024-11-14 03:13:50,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:50,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2024-11-14 03:13:50,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:50,198 INFO L225 Difference]: With dead ends: 89 [2024-11-14 03:13:50,198 INFO L226 Difference]: Without dead ends: 88 [2024-11-14 03:13:50,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,199 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:50,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 228 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:50,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-14 03:13:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-14 03:13:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 54 states have (on average 1.7777777777777777) internal successors, (96), 87 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-14 03:13:50,212 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 3 [2024-11-14 03:13:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:50,212 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-14 03:13:50,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-14 03:13:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 03:13:50,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:50,214 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 03:13:50,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:13:50,215 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:50,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:50,215 INFO L85 PathProgramCache]: Analyzing trace with hash 5797393, now seen corresponding path program 1 times [2024-11-14 03:13:50,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:50,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901136473] [2024-11-14 03:13:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:50,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:50,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:50,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901136473] [2024-11-14 03:13:50,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901136473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:50,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:50,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:13:50,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069991342] [2024-11-14 03:13:50,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:50,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:50,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:50,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:50,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,361 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:50,495 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2024-11-14 03:13:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 03:13:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:50,496 INFO L225 Difference]: With dead ends: 88 [2024-11-14 03:13:50,496 INFO L226 Difference]: Without dead ends: 87 [2024-11-14 03:13:50,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,498 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:50,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-14 03:13:50,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-14 03:13:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 86 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-11-14 03:13:50,511 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 4 [2024-11-14 03:13:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:50,511 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-11-14 03:13:50,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-11-14 03:13:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 03:13:50,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:50,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 03:13:50,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:13:50,512 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:50,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:50,515 INFO L85 PathProgramCache]: Analyzing trace with hash 5791435, now seen corresponding path program 1 times [2024-11-14 03:13:50,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:50,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615731055] [2024-11-14 03:13:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:50,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:50,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:50,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615731055] [2024-11-14 03:13:50,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615731055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:50,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:50,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:13:50,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258112638] [2024-11-14 03:13:50,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:50,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:50,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:50,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:50,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,843 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:50,936 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-14 03:13:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:50,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 03:13:50,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:50,937 INFO L225 Difference]: With dead ends: 87 [2024-11-14 03:13:50,937 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 03:13:50,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:50,938 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:50,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 03:13:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-14 03:13:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 54 states have (on average 1.7407407407407407) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-14 03:13:50,944 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 4 [2024-11-14 03:13:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:50,944 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-14 03:13:50,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-14 03:13:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:13:50,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:50,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:50,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:13:50,945 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:50,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:50,945 INFO L85 PathProgramCache]: Analyzing trace with hash 911496935, now seen corresponding path program 1 times [2024-11-14 03:13:50,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:50,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549323918] [2024-11-14 03:13:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:51,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:51,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549323918] [2024-11-14 03:13:51,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549323918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:51,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:51,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:13:51,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469827925] [2024-11-14 03:13:51,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:51,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:13:51,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:51,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:13:51,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:51,277 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:51,523 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2024-11-14 03:13:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:13:51,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 03:13:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:51,526 INFO L225 Difference]: With dead ends: 96 [2024-11-14 03:13:51,526 INFO L226 Difference]: Without dead ends: 95 [2024-11-14 03:13:51,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:51,527 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:51,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 380 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-14 03:13:51,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-14 03:13:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 57 states have (on average 1.719298245614035) internal successors, (98), 88 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2024-11-14 03:13:51,534 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 7 [2024-11-14 03:13:51,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:51,535 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2024-11-14 03:13:51,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2024-11-14 03:13:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:13:51,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:51,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:51,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:13:51,536 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:51,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:51,537 INFO L85 PathProgramCache]: Analyzing trace with hash 911496743, now seen corresponding path program 1 times [2024-11-14 03:13:51,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:51,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214930109] [2024-11-14 03:13:51,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:51,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:51,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:51,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214930109] [2024-11-14 03:13:51,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214930109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:51,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:51,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:51,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174095580] [2024-11-14 03:13:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:51,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:51,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:51,614 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:51,706 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2024-11-14 03:13:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:51,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 03:13:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:51,709 INFO L225 Difference]: With dead ends: 89 [2024-11-14 03:13:51,709 INFO L226 Difference]: Without dead ends: 88 [2024-11-14 03:13:51,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:51,710 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:51,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 219 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-14 03:13:51,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-14 03:13:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 57 states have (on average 1.7017543859649122) internal successors, (97), 87 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2024-11-14 03:13:51,726 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 7 [2024-11-14 03:13:51,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:51,726 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2024-11-14 03:13:51,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2024-11-14 03:13:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:13:51,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:51,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:51,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 03:13:51,727 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:51,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash 734002157, now seen corresponding path program 1 times [2024-11-14 03:13:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:51,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365550899] [2024-11-14 03:13:51,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:51,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:51,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365550899] [2024-11-14 03:13:51,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365550899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:51,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:51,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:13:51,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58005031] [2024-11-14 03:13:51,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:51,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:13:51,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:51,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:13:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:51,924 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:52,079 INFO L93 Difference]: Finished difference Result 163 states and 178 transitions. [2024-11-14 03:13:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:13:52,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 03:13:52,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:52,081 INFO L225 Difference]: With dead ends: 163 [2024-11-14 03:13:52,081 INFO L226 Difference]: Without dead ends: 89 [2024-11-14 03:13:52,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:52,084 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 3 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:52,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 358 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:52,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-14 03:13:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-11-14 03:13:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.6785714285714286) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-14 03:13:52,093 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 7 [2024-11-14 03:13:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:52,094 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-14 03:13:52,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-14 03:13:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:13:52,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:52,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:52,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 03:13:52,096 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:52,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:52,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1808366020, now seen corresponding path program 1 times [2024-11-14 03:13:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:52,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834664788] [2024-11-14 03:13:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:52,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:52,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834664788] [2024-11-14 03:13:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834664788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:52,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971355165] [2024-11-14 03:13:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:52,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:52,179 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:52,261 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2024-11-14 03:13:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:52,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 03:13:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:52,262 INFO L225 Difference]: With dead ends: 86 [2024-11-14 03:13:52,262 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 03:13:52,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:52,263 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:52,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:52,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 03:13:52,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-14 03:13:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.6607142857142858) internal successors, (93), 84 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) [2024-11-14 03:13:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-14 03:13:52,268 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 8 [2024-11-14 03:13:52,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:52,269 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-14 03:13:52,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-14 03:13:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:13:52,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:52,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:52,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 03:13:52,270 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:52,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1808371978, now seen corresponding path program 1 times [2024-11-14 03:13:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:52,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496401933] [2024-11-14 03:13:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:52,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:52,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496401933] [2024-11-14 03:13:52,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496401933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:52,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:52,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:13:52,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866047987] [2024-11-14 03:13:52,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:52,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:13:52,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:52,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:13:52,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:13:52,417 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2024-11-14 03:13:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:52,567 INFO L93 Difference]: Finished difference Result 158 states and 172 transitions. [2024-11-14 03:13:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:13:52,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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 [2024-11-14 03:13:52,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:52,568 INFO L225 Difference]: With dead ends: 158 [2024-11-14 03:13:52,568 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 03:13:52,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:52,569 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 3 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:52,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 336 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:52,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 03:13:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-14 03:13:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.6428571428571428) internal successors, (92), 84 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2024-11-14 03:13:52,574 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 8 [2024-11-14 03:13:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:52,574 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2024-11-14 03:13:52,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2024-11-14 03:13:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2024-11-14 03:13:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:13:52,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:52,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:52,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:13:52,575 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:52,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1279224496, now seen corresponding path program 1 times [2024-11-14 03:13:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032888121] [2024-11-14 03:13:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:52,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:52,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032888121] [2024-11-14 03:13:52,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032888121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:52,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:52,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:13:52,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948176211] [2024-11-14 03:13:52,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:52,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:13:52,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:13:52,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:52,854 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2024-11-14 03:13:52,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:52,983 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-14 03:13:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:13:52,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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 [2024-11-14 03:13:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:52,985 INFO L225 Difference]: With dead ends: 85 [2024-11-14 03:13:52,985 INFO L226 Difference]: Without dead ends: 84 [2024-11-14 03:13:52,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:52,985 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 6 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:52,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 285 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:52,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-14 03:13:52,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-14 03:13:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.625) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2024-11-14 03:13:53,008 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 8 [2024-11-14 03:13:53,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:53,008 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2024-11-14 03:13:53,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2024-11-14 03:13:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2024-11-14 03:13:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:13:53,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:53,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:53,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:13:53,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:53,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1257239285, now seen corresponding path program 1 times [2024-11-14 03:13:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340013451] [2024-11-14 03:13:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:53,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:53,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340013451] [2024-11-14 03:13:53,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340013451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:53,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:53,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:13:53,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330427548] [2024-11-14 03:13:53,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:53,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:13:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:53,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:13:53,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:13:53,442 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2024-11-14 03:13:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:53,719 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2024-11-14 03:13:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:13:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 [2024-11-14 03:13:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:53,720 INFO L225 Difference]: With dead ends: 94 [2024-11-14 03:13:53,720 INFO L226 Difference]: Without dead ends: 93 [2024-11-14 03:13:53,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:13:53,721 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:53,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 421 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:53,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-14 03:13:53,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-11-14 03:13:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 86 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-11-14 03:13:53,730 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 11 [2024-11-14 03:13:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:53,730 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-11-14 03:13:53,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2024-11-14 03:13:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-11-14 03:13:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:13:53,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:53,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:53,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 03:13:53,731 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:53,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:53,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1257239477, now seen corresponding path program 1 times [2024-11-14 03:13:53,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:53,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270504024] [2024-11-14 03:13:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:53,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:53,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270504024] [2024-11-14 03:13:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270504024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:53,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:53,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373283089] [2024-11-14 03:13:53,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:53,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:53,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:53,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:53,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:53,808 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:53,887 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-14 03:13:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 03:13:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:53,889 INFO L225 Difference]: With dead ends: 87 [2024-11-14 03:13:53,889 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 03:13:53,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:53,894 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:53,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 207 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:53,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 03:13:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-14 03:13:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-14 03:13:53,897 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 11 [2024-11-14 03:13:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-14 03:13:53,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-14 03:13:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:13:53,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:53,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:53,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 03:13:53,898 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:53,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash 132211735, now seen corresponding path program 1 times [2024-11-14 03:13:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292658689] [2024-11-14 03:13:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:54,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:54,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292658689] [2024-11-14 03:13:54,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292658689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:54,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:54,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:13:54,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668139568] [2024-11-14 03:13:54,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:54,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:13:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:13:54,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:54,132 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2024-11-14 03:13:54,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:54,435 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2024-11-14 03:13:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:13:54,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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 [2024-11-14 03:13:54,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:54,437 INFO L225 Difference]: With dead ends: 101 [2024-11-14 03:13:54,437 INFO L226 Difference]: Without dead ends: 100 [2024-11-14 03:13:54,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:13:54,439 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:54,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 534 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:13:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-14 03:13:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2024-11-14 03:13:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.5892857142857142) internal successors, (89), 81 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2024-11-14 03:13:54,443 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 11 [2024-11-14 03:13:54,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:54,444 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2024-11-14 03:13:54,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2024-11-14 03:13:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-14 03:13:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 03:13:54,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:54,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:54,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 03:13:54,445 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:54,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash -319712089, now seen corresponding path program 1 times [2024-11-14 03:13:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616609669] [2024-11-14 03:13:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:54,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:54,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616609669] [2024-11-14 03:13:54,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616609669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:54,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:54,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:54,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324113926] [2024-11-14 03:13:54,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:54,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:54,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:54,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:54,533 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:54,609 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2024-11-14 03:13:54,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:54,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-14 03:13:54,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:54,610 INFO L225 Difference]: With dead ends: 82 [2024-11-14 03:13:54,610 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 03:13:54,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:54,611 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:54,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:54,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 03:13:54,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-14 03:13:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 56 states have (on average 1.5714285714285714) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2024-11-14 03:13:54,615 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 12 [2024-11-14 03:13:54,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:54,615 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2024-11-14 03:13:54,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2024-11-14 03:13:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 03:13:54,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:54,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:54,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 03:13:54,616 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:54,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:54,616 INFO L85 PathProgramCache]: Analyzing trace with hash -319718047, now seen corresponding path program 1 times [2024-11-14 03:13:54,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:54,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881996158] [2024-11-14 03:13:54,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:54,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:54,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881996158] [2024-11-14 03:13:54,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881996158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:54,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:54,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:13:54,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919413453] [2024-11-14 03:13:54,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:54,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:13:54,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:54,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:13:54,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:54,828 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-14 03:13:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:55,083 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2024-11-14 03:13:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:13:55,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2024-11-14 03:13:55,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:55,084 INFO L225 Difference]: With dead ends: 98 [2024-11-14 03:13:55,084 INFO L226 Difference]: Without dead ends: 97 [2024-11-14 03:13:55,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:13:55,085 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 15 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:55,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 487 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-14 03:13:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 85. [2024-11-14 03:13:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.55) internal successors, (93), 84 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) [2024-11-14 03:13:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-14 03:13:55,088 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 12 [2024-11-14 03:13:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:55,088 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-14 03:13:55,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-14 03:13:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-14 03:13:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 03:13:55,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:55,089 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:55,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 03:13:55,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:55,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:55,090 INFO L85 PathProgramCache]: Analyzing trace with hash -196409387, now seen corresponding path program 1 times [2024-11-14 03:13:55,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:55,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248149091] [2024-11-14 03:13:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:55,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:55,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:55,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248149091] [2024-11-14 03:13:55,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248149091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:55,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:55,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:13:55,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765712889] [2024-11-14 03:13:55,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:55,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:13:55,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:55,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:13:55,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:55,355 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-14 03:13:55,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:55,583 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-14 03:13:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:13:55,583 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2024-11-14 03:13:55,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:55,584 INFO L225 Difference]: With dead ends: 87 [2024-11-14 03:13:55,584 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 03:13:55,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:13:55,585 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 16 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:55,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 427 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:55,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 03:13:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2024-11-14 03:13:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-11-14 03:13:55,588 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 12 [2024-11-14 03:13:55,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:55,588 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-11-14 03:13:55,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2024-11-14 03:13:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-14 03:13:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:13:55,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:55,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:55,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 03:13:55,589 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:55,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1694702639, now seen corresponding path program 1 times [2024-11-14 03:13:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:55,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129836743] [2024-11-14 03:13:55,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:55,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:55,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:55,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129836743] [2024-11-14 03:13:55,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129836743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:55,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:55,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:55,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755273432] [2024-11-14 03:13:55,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:55,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:55,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:55,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:55,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:55,650 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.0) 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) [2024-11-14 03:13:55,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:55,725 INFO L93 Difference]: Finished difference Result 80 states and 87 transitions. [2024-11-14 03:13:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:55,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 [2024-11-14 03:13:55,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:55,726 INFO L225 Difference]: With dead ends: 80 [2024-11-14 03:13:55,726 INFO L226 Difference]: Without dead ends: 79 [2024-11-14 03:13:55,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:55,727 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:55,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 195 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-14 03:13:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-14 03:13:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 78 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-14 03:13:55,730 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 15 [2024-11-14 03:13:55,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:55,730 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-14 03:13:55,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-14 03:13:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:13:55,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:55,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:55,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 03:13:55,731 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:55,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1694702831, now seen corresponding path program 1 times [2024-11-14 03:13:55,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:55,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426617599] [2024-11-14 03:13:55,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:56,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:56,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426617599] [2024-11-14 03:13:56,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426617599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:56,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:56,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:13:56,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233771708] [2024-11-14 03:13:56,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:56,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 03:13:56,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:56,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 03:13:56,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:13:56,114 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2024-11-14 03:13:56,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:56,426 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2024-11-14 03:13:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:13:56,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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 [2024-11-14 03:13:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:56,427 INFO L225 Difference]: With dead ends: 94 [2024-11-14 03:13:56,427 INFO L226 Difference]: Without dead ends: 93 [2024-11-14 03:13:56,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:13:56,428 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 37 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:56,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 387 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:56,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-14 03:13:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2024-11-14 03:13:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 63 states have (on average 1.507936507936508) internal successors, (95), 85 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2024-11-14 03:13:56,432 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 15 [2024-11-14 03:13:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:56,432 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2024-11-14 03:13:56,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2024-11-14 03:13:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2024-11-14 03:13:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:13:56,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:56,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:56,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 03:13:56,434 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:56,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1517208053, now seen corresponding path program 1 times [2024-11-14 03:13:56,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220464251] [2024-11-14 03:13:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:56,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:56,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:56,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220464251] [2024-11-14 03:13:56,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220464251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:56,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:56,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 03:13:56,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666829519] [2024-11-14 03:13:56,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:56,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:13:56,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:56,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:13:56,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:13:56,661 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 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) [2024-11-14 03:13:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:56,797 INFO L93 Difference]: Finished difference Result 147 states and 161 transitions. [2024-11-14 03:13:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:13:56,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 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 [2024-11-14 03:13:56,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:56,798 INFO L225 Difference]: With dead ends: 147 [2024-11-14 03:13:56,798 INFO L226 Difference]: Without dead ends: 86 [2024-11-14 03:13:56,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:13:56,799 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 6 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:56,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 296 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:56,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-14 03:13:56,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-14 03:13:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 63 states have (on average 1.492063492063492) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-14 03:13:56,801 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 15 [2024-11-14 03:13:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:56,802 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-14 03:13:56,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 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) [2024-11-14 03:13:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-14 03:13:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:13:56,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:56,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:56,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 03:13:56,803 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:56,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1309012485, now seen corresponding path program 1 times [2024-11-14 03:13:56,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156529356] [2024-11-14 03:13:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:56,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:57,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156529356] [2024-11-14 03:13:57,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156529356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:57,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:57,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 03:13:57,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97322830] [2024-11-14 03:13:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:57,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 03:13:57,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:57,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 03:13:57,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-14 03:13:57,029 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 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) [2024-11-14 03:13:57,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:57,275 INFO L93 Difference]: Finished difference Result 145 states and 158 transitions. [2024-11-14 03:13:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:13:57,277 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 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 [2024-11-14 03:13:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:57,278 INFO L225 Difference]: With dead ends: 145 [2024-11-14 03:13:57,278 INFO L226 Difference]: Without dead ends: 84 [2024-11-14 03:13:57,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:13:57,279 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 3 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:57,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 498 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-14 03:13:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-14 03:13:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2024-11-14 03:13:57,285 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 15 [2024-11-14 03:13:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:57,286 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2024-11-14 03:13:57,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 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) [2024-11-14 03:13:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2024-11-14 03:13:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:13:57,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:57,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:57,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 03:13:57,289 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:57,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:57,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1486507263, now seen corresponding path program 1 times [2024-11-14 03:13:57,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:57,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386569659] [2024-11-14 03:13:57,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:57,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:57,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386569659] [2024-11-14 03:13:57,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386569659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:57,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:57,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:13:57,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226243445] [2024-11-14 03:13:57,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:57,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:13:57,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:57,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:13:57,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:13:57,419 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2024-11-14 03:13:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:57,538 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2024-11-14 03:13:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:13:57,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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 [2024-11-14 03:13:57,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:57,539 INFO L225 Difference]: With dead ends: 139 [2024-11-14 03:13:57,539 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 03:13:57,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:13:57,540 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 4 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:57,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 317 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:57,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 03:13:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-14 03:13:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-11-14 03:13:57,545 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 15 [2024-11-14 03:13:57,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:57,545 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-11-14 03:13:57,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 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) [2024-11-14 03:13:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-11-14 03:13:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 03:13:57,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:57,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:57,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 03:13:57,546 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:57,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:57,547 INFO L85 PathProgramCache]: Analyzing trace with hash 996174348, now seen corresponding path program 1 times [2024-11-14 03:13:57,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:57,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829655506] [2024-11-14 03:13:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:57,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:57,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:57,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829655506] [2024-11-14 03:13:57,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829655506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:57,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:57,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 03:13:57,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893841611] [2024-11-14 03:13:57,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:57,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 03:13:57,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:57,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 03:13:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:13:57,812 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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) [2024-11-14 03:13:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:58,067 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2024-11-14 03:13:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 03:13:58,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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 [2024-11-14 03:13:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:58,068 INFO L225 Difference]: With dead ends: 135 [2024-11-14 03:13:58,068 INFO L226 Difference]: Without dead ends: 82 [2024-11-14 03:13:58,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:13:58,073 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 12 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:58,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 478 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:13:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-14 03:13:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-14 03:13:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.45) internal successors, (87), 81 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2024-11-14 03:13:58,077 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 16 [2024-11-14 03:13:58,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:58,077 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2024-11-14 03:13:58,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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) [2024-11-14 03:13:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2024-11-14 03:13:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 03:13:58,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:58,078 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:58,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 03:13:58,078 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:58,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash 996180306, now seen corresponding path program 1 times [2024-11-14 03:13:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194537988] [2024-11-14 03:13:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:58,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:58,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194537988] [2024-11-14 03:13:58,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194537988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:58,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:58,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419003746] [2024-11-14 03:13:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:58,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:58,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:58,131 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) 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) [2024-11-14 03:13:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:58,211 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2024-11-14 03:13:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:58,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 [2024-11-14 03:13:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:58,212 INFO L225 Difference]: With dead ends: 82 [2024-11-14 03:13:58,212 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 03:13:58,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:58,213 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:58,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:58,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 03:13:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-14 03:13:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 80 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:58,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2024-11-14 03:13:58,218 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 16 [2024-11-14 03:13:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:58,218 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2024-11-14 03:13:58,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2024-11-14 03:13:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 03:13:58,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:58,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:58,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-14 03:13:58,220 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:58,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1162909242, now seen corresponding path program 1 times [2024-11-14 03:13:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:58,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474669654] [2024-11-14 03:13:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:58,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:58,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474669654] [2024-11-14 03:13:58,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474669654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:58,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:58,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-14 03:13:58,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153807165] [2024-11-14 03:13:58,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:58,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 03:13:58,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:58,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 03:13:58,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:13:58,607 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2024-11-14 03:13:58,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:58,941 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2024-11-14 03:13:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:13:58,942 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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 [2024-11-14 03:13:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:58,943 INFO L225 Difference]: With dead ends: 81 [2024-11-14 03:13:58,943 INFO L226 Difference]: Without dead ends: 80 [2024-11-14 03:13:58,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:13:58,944 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:58,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 532 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:13:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-14 03:13:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-14 03:13:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-14 03:13:58,953 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 16 [2024-11-14 03:13:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:58,953 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-14 03:13:58,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2024-11-14 03:13:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-14 03:13:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 03:13:58,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:58,954 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:58,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-14 03:13:58,954 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:58,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:58,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1016420909, now seen corresponding path program 1 times [2024-11-14 03:13:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83442575] [2024-11-14 03:13:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:58,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:59,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:59,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83442575] [2024-11-14 03:13:59,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83442575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:59,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:13:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565958373] [2024-11-14 03:13:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:59,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:13:59,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:59,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:13:59,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:59,021 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:59,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:13:59,091 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2024-11-14 03:13:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:13:59,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2024-11-14 03:13:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:13:59,092 INFO L225 Difference]: With dead ends: 80 [2024-11-14 03:13:59,093 INFO L226 Difference]: Without dead ends: 79 [2024-11-14 03:13:59,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:13:59,094 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:13:59,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 183 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:13:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-14 03:13:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-14 03:13:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.4) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2024-11-14 03:13:59,101 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 19 [2024-11-14 03:13:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:13:59,101 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2024-11-14 03:13:59,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:13:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2024-11-14 03:13:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 03:13:59,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:59,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:13:59,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-14 03:13:59,102 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:13:59,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:59,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1016420717, now seen corresponding path program 1 times [2024-11-14 03:13:59,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:13:59,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138271299] [2024-11-14 03:13:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:59,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:13:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:13:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:13:59,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:13:59,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138271299] [2024-11-14 03:13:59,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138271299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:13:59,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:13:59,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-14 03:13:59,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284478211] [2024-11-14 03:13:59,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:13:59,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:13:59,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:13:59,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:13:59,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-14 03:13:59,590 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:00,006 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2024-11-14 03:14:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 03:14:00,006 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2024-11-14 03:14:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:00,007 INFO L225 Difference]: With dead ends: 88 [2024-11-14 03:14:00,007 INFO L226 Difference]: Without dead ends: 87 [2024-11-14 03:14:00,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-14 03:14:00,008 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 34 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:00,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 518 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:14:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-14 03:14:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2024-11-14 03:14:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-11-14 03:14:00,011 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 19 [2024-11-14 03:14:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:00,011 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-11-14 03:14:00,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-11-14 03:14:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 03:14:00,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:00,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:00,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 03:14:00,012 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:00,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1023117483, now seen corresponding path program 1 times [2024-11-14 03:14:00,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:00,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982167028] [2024-11-14 03:14:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:00,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:00,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982167028] [2024-11-14 03:14:00,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982167028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:00,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:00,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-14 03:14:00,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676386990] [2024-11-14 03:14:00,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:00,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 03:14:00,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:00,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 03:14:00,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:14:00,444 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:00,763 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2024-11-14 03:14:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 03:14:00,764 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2024-11-14 03:14:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:00,764 INFO L225 Difference]: With dead ends: 127 [2024-11-14 03:14:00,764 INFO L226 Difference]: Without dead ends: 83 [2024-11-14 03:14:00,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:14:00,765 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 14 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:00,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 534 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:14:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-14 03:14:00,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-14 03:14:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-14 03:14:00,774 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 19 [2024-11-14 03:14:00,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:00,775 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-14 03:14:00,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-14 03:14:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 03:14:00,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:00,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:00,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-14 03:14:00,776 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:00,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1444277001, now seen corresponding path program 1 times [2024-11-14 03:14:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139276745] [2024-11-14 03:14:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:01,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:01,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139276745] [2024-11-14 03:14:01,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139276745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:01,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:01,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-14 03:14:01,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939500897] [2024-11-14 03:14:01,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:01,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 03:14:01,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:01,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 03:14:01,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:14:01,168 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:01,475 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2024-11-14 03:14:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 03:14:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-14 03:14:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:01,476 INFO L225 Difference]: With dead ends: 123 [2024-11-14 03:14:01,476 INFO L226 Difference]: Without dead ends: 80 [2024-11-14 03:14:01,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:14:01,476 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 12 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:01,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 508 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:14:01,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-14 03:14:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-14 03:14:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 79 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2024-11-14 03:14:01,482 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 20 [2024-11-14 03:14:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:01,482 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2024-11-14 03:14:01,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2024-11-14 03:14:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 03:14:01,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:01,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:01,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-14 03:14:01,483 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:01,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1444271043, now seen corresponding path program 1 times [2024-11-14 03:14:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889871198] [2024-11-14 03:14:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:01,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:01,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889871198] [2024-11-14 03:14:01,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889871198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:01,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:01,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:01,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25146461] [2024-11-14 03:14:01,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:01,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:01,539 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:01,606 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2024-11-14 03:14:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:01,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-14 03:14:01,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:01,607 INFO L225 Difference]: With dead ends: 80 [2024-11-14 03:14:01,607 INFO L226 Difference]: Without dead ends: 79 [2024-11-14 03:14:01,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:01,612 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:01,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-14 03:14:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-14 03:14:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 78 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2024-11-14 03:14:01,616 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 20 [2024-11-14 03:14:01,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:01,616 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-11-14 03:14:01,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2024-11-14 03:14:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 03:14:01,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:01,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:01,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-14 03:14:01,617 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:01,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1651865055, now seen corresponding path program 1 times [2024-11-14 03:14:01,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:01,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013481624] [2024-11-14 03:14:01,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:01,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:02,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:02,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013481624] [2024-11-14 03:14:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013481624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:02,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:02,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-14 03:14:02,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100172594] [2024-11-14 03:14:02,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:02,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 03:14:02,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:02,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 03:14:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:14:02,035 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:02,392 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2024-11-14 03:14:02,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 03:14:02,393 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2024-11-14 03:14:02,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:02,394 INFO L225 Difference]: With dead ends: 79 [2024-11-14 03:14:02,394 INFO L226 Difference]: Without dead ends: 78 [2024-11-14 03:14:02,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-14 03:14:02,395 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 14 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:02,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 498 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:14:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-14 03:14:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-14 03:14:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-14 03:14:02,402 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 20 [2024-11-14 03:14:02,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:02,402 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-14 03:14:02,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-14 03:14:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 03:14:02,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:02,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:02,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-14 03:14:02,403 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:02,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:02,403 INFO L85 PathProgramCache]: Analyzing trace with hash 703842615, now seen corresponding path program 1 times [2024-11-14 03:14:02,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:02,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655250048] [2024-11-14 03:14:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:02,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:02,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:02,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655250048] [2024-11-14 03:14:02,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655250048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:02,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:02,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872788863] [2024-11-14 03:14:02,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:02,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:02,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:02,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:02,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:02,461 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:02,530 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2024-11-14 03:14:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:02,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-14 03:14:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:02,531 INFO L225 Difference]: With dead ends: 78 [2024-11-14 03:14:02,531 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 03:14:02,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:02,532 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:02,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 171 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:02,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 03:14:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-14 03:14:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2024-11-14 03:14:02,536 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 23 [2024-11-14 03:14:02,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:02,536 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2024-11-14 03:14:02,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2024-11-14 03:14:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 03:14:02,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:02,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:02,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-14 03:14:02,538 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:02,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:02,538 INFO L85 PathProgramCache]: Analyzing trace with hash 703842807, now seen corresponding path program 1 times [2024-11-14 03:14:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:02,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213330031] [2024-11-14 03:14:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:03,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:03,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213330031] [2024-11-14 03:14:03,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213330031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:03,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:03,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-14 03:14:03,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166914102] [2024-11-14 03:14:03,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:03,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 03:14:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 03:14:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:14:03,105 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:03,595 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-14 03:14:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 03:14:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-14 03:14:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:03,599 INFO L225 Difference]: With dead ends: 86 [2024-11-14 03:14:03,599 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 03:14:03,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-14 03:14:03,600 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 20 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:03,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 537 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:03,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 03:14:03,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-11-14 03:14:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-14 03:14:03,610 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 23 [2024-11-14 03:14:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:03,610 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-14 03:14:03,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-14 03:14:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 03:14:03,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:03,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:03,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-14 03:14:03,612 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:03,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:03,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1023310571, now seen corresponding path program 1 times [2024-11-14 03:14:03,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:03,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418135257] [2024-11-14 03:14:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:03,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:03,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:03,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418135257] [2024-11-14 03:14:03,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418135257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:03,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:03,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:14:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907243188] [2024-11-14 03:14:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:03,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:14:03,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:14:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:14:03,738 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:03,855 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2024-11-14 03:14:03,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:14:03,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-14 03:14:03,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:03,856 INFO L225 Difference]: With dead ends: 115 [2024-11-14 03:14:03,856 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 03:14:03,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:14:03,857 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:03,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 278 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:03,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 03:14:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2024-11-14 03:14:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.28125) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-14 03:14:03,862 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 23 [2024-11-14 03:14:03,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:03,862 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-14 03:14:03,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-14 03:14:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 03:14:03,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:03,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:03,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-14 03:14:03,863 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:03,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:03,863 INFO L85 PathProgramCache]: Analyzing trace with hash 344284706, now seen corresponding path program 1 times [2024-11-14 03:14:03,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:03,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305392887] [2024-11-14 03:14:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:03,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:04,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:04,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305392887] [2024-11-14 03:14:04,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305392887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-14 03:14:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947754240] [2024-11-14 03:14:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:04,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-14 03:14:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-14 03:14:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-14 03:14:04,429 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:04,802 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2024-11-14 03:14:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 03:14:04,803 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-14 03:14:04,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:04,803 INFO L225 Difference]: With dead ends: 111 [2024-11-14 03:14:04,803 INFO L226 Difference]: Without dead ends: 78 [2024-11-14 03:14:04,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-14 03:14:04,804 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 16 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:04,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 515 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:14:04,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-14 03:14:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-14 03:14:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.265625) internal successors, (81), 77 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2024-11-14 03:14:04,807 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 24 [2024-11-14 03:14:04,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:04,807 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2024-11-14 03:14:04,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2024-11-14 03:14:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 03:14:04,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:04,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:04,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-14 03:14:04,808 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:04,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash 344290664, now seen corresponding path program 1 times [2024-11-14 03:14:04,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:04,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170782679] [2024-11-14 03:14:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:04,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:04,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:04,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170782679] [2024-11-14 03:14:04,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170782679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:04,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:04,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:04,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141714541] [2024-11-14 03:14:04,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:04,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:04,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:04,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:04,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:04,874 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:04,944 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2024-11-14 03:14:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:04,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-14 03:14:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:04,945 INFO L225 Difference]: With dead ends: 78 [2024-11-14 03:14:04,945 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 03:14:04,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:04,946 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:04,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:04,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 03:14:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-14 03:14:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 64 states have (on average 1.25) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2024-11-14 03:14:04,950 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 24 [2024-11-14 03:14:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:04,950 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2024-11-14 03:14:04,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2024-11-14 03:14:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 03:14:04,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:04,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:04,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-14 03:14:04,951 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:04,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1657862460, now seen corresponding path program 1 times [2024-11-14 03:14:04,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:04,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598099102] [2024-11-14 03:14:04,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:05,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:05,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598099102] [2024-11-14 03:14:05,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598099102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:05,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:05,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-14 03:14:05,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023314705] [2024-11-14 03:14:05,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:05,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-14 03:14:05,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-14 03:14:05,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-14 03:14:05,513 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:05,948 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2024-11-14 03:14:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 03:14:05,948 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-14 03:14:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:05,949 INFO L225 Difference]: With dead ends: 77 [2024-11-14 03:14:05,949 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 03:14:05,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-11-14 03:14:05,950 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 24 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:05,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 485 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:14:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 03:14:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-14 03:14:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.234375) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-14 03:14:05,953 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 24 [2024-11-14 03:14:05,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:05,953 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-14 03:14:05,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-14 03:14:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 03:14:05,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:05,954 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:05,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-14 03:14:05,954 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:05,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:05,954 INFO L85 PathProgramCache]: Analyzing trace with hash 381396571, now seen corresponding path program 1 times [2024-11-14 03:14:05,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:05,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502826271] [2024-11-14 03:14:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:06,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:06,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502826271] [2024-11-14 03:14:06,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502826271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:06,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:06,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153648509] [2024-11-14 03:14:06,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:06,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:06,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:06,018 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:06,093 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-14 03:14:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-14 03:14:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:06,094 INFO L225 Difference]: With dead ends: 76 [2024-11-14 03:14:06,094 INFO L226 Difference]: Without dead ends: 75 [2024-11-14 03:14:06,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:06,095 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 1 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:06,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 159 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-14 03:14:06,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-14 03:14:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 64 states have (on average 1.21875) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2024-11-14 03:14:06,097 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 27 [2024-11-14 03:14:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:06,097 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2024-11-14 03:14:06,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2024-11-14 03:14:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 03:14:06,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:06,098 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:06,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-14 03:14:06,098 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:06,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:06,098 INFO L85 PathProgramCache]: Analyzing trace with hash 381396763, now seen corresponding path program 1 times [2024-11-14 03:14:06,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:06,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486443581] [2024-11-14 03:14:06,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:06,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:06,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:06,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486443581] [2024-11-14 03:14:06,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486443581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:06,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:06,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-14 03:14:06,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57569108] [2024-11-14 03:14:06,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:06,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-14 03:14:06,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:06,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-14 03:14:06,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-14 03:14:06,775 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:07,252 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-14 03:14:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 03:14:07,252 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-14 03:14:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:07,253 INFO L225 Difference]: With dead ends: 84 [2024-11-14 03:14:07,253 INFO L226 Difference]: Without dead ends: 83 [2024-11-14 03:14:07,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2024-11-14 03:14:07,254 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 36 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:07,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 388 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-14 03:14:07,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2024-11-14 03:14:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-14 03:14:07,258 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 27 [2024-11-14 03:14:07,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:07,258 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-14 03:14:07,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-14 03:14:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 03:14:07,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:07,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:07,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-14 03:14:07,259 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:07,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1551480769, now seen corresponding path program 1 times [2024-11-14 03:14:07,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:07,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424399071] [2024-11-14 03:14:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:07,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:07,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:07,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424399071] [2024-11-14 03:14:07,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424399071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:07,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:07,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:14:07,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510821250] [2024-11-14 03:14:07,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:07,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 03:14:07,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:07,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 03:14:07,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:14:07,409 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:07,541 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2024-11-14 03:14:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:14:07,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-14 03:14:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:07,542 INFO L225 Difference]: With dead ends: 103 [2024-11-14 03:14:07,542 INFO L226 Difference]: Without dead ends: 79 [2024-11-14 03:14:07,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:14:07,543 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:07,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 258 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-14 03:14:07,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2024-11-14 03:14:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 66 states have (on average 1.196969696969697) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-14 03:14:07,546 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 27 [2024-11-14 03:14:07,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:07,546 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-14 03:14:07,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-14 03:14:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 03:14:07,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:07,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:07,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-14 03:14:07,547 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1061608051, now seen corresponding path program 1 times [2024-11-14 03:14:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392895985] [2024-11-14 03:14:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:08,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:08,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392895985] [2024-11-14 03:14:08,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392895985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:08,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:08,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-14 03:14:08,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99580005] [2024-11-14 03:14:08,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:08,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 03:14:08,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:08,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 03:14:08,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-14 03:14:08,101 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:08,578 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2024-11-14 03:14:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-14 03:14:08,578 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-14 03:14:08,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:08,579 INFO L225 Difference]: With dead ends: 89 [2024-11-14 03:14:08,579 INFO L226 Difference]: Without dead ends: 88 [2024-11-14 03:14:08,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2024-11-14 03:14:08,580 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 58 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:08,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 411 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-14 03:14:08,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2024-11-14 03:14:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 77 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2024-11-14 03:14:08,583 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 28 [2024-11-14 03:14:08,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:08,584 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2024-11-14 03:14:08,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2024-11-14 03:14:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 03:14:08,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:08,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:08,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-14 03:14:08,585 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:08,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1061602093, now seen corresponding path program 1 times [2024-11-14 03:14:08,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:08,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218891165] [2024-11-14 03:14:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:08,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:08,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218891165] [2024-11-14 03:14:08,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218891165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:08,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:08,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:08,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258568691] [2024-11-14 03:14:08,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:08,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:08,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:08,647 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:08,713 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2024-11-14 03:14:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:08,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2024-11-14 03:14:08,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:08,714 INFO L225 Difference]: With dead ends: 78 [2024-11-14 03:14:08,714 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 03:14:08,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:08,715 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:08,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:08,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 03:14:08,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-14 03:14:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2024-11-14 03:14:08,719 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 28 [2024-11-14 03:14:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:08,719 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2024-11-14 03:14:08,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2024-11-14 03:14:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 03:14:08,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:08,719 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:08,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-14 03:14:08,720 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:08,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash -851269399, now seen corresponding path program 1 times [2024-11-14 03:14:08,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:08,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393044273] [2024-11-14 03:14:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:09,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:09,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393044273] [2024-11-14 03:14:09,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393044273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:09,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:09,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-14 03:14:09,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444958750] [2024-11-14 03:14:09,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:09,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-14 03:14:09,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:09,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-14 03:14:09,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-14 03:14:09,335 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:09,805 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2024-11-14 03:14:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 03:14:09,806 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-14 03:14:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:09,806 INFO L225 Difference]: With dead ends: 77 [2024-11-14 03:14:09,807 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 03:14:09,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2024-11-14 03:14:09,808 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 22 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:09,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 501 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 03:14:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2024-11-14 03:14:09,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 73 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2024-11-14 03:14:09,813 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 28 [2024-11-14 03:14:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:09,813 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2024-11-14 03:14:09,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2024-11-14 03:14:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:14:09,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:09,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:09,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-14 03:14:09,814 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:09,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1773863493, now seen corresponding path program 1 times [2024-11-14 03:14:09,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:09,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094262728] [2024-11-14 03:14:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:09,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:09,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:09,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094262728] [2024-11-14 03:14:09,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094262728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:09,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:09,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:09,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094096137] [2024-11-14 03:14:09,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:09,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:09,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:09,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:09,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:09,872 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:09,944 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-14 03:14:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 03:14:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:09,945 INFO L225 Difference]: With dead ends: 74 [2024-11-14 03:14:09,945 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 03:14:09,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:09,946 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:09,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 147 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 03:14:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-14 03:14:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 72 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) [2024-11-14 03:14:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2024-11-14 03:14:09,949 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 31 [2024-11-14 03:14:09,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:09,949 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2024-11-14 03:14:09,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2024-11-14 03:14:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:14:09,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:09,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:09,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-14 03:14:09,951 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:09,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1773863685, now seen corresponding path program 1 times [2024-11-14 03:14:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:09,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084830526] [2024-11-14 03:14:09,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:09,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:10,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:10,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084830526] [2024-11-14 03:14:10,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084830526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:10,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:10,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-14 03:14:10,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126801465] [2024-11-14 03:14:10,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:10,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 03:14:10,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:10,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 03:14:10,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-14 03:14:10,652 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:11,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:11,075 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2024-11-14 03:14:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-14 03:14:11,076 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 03:14:11,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:11,077 INFO L225 Difference]: With dead ends: 94 [2024-11-14 03:14:11,077 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 03:14:11,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2024-11-14 03:14:11,078 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 20 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:11,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 467 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 03:14:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-14 03:14:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 72 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2024-11-14 03:14:11,081 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 31 [2024-11-14 03:14:11,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:11,081 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2024-11-14 03:14:11,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2024-11-14 03:14:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:14:11,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:11,082 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:11,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-14 03:14:11,082 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:11,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:11,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1951358463, now seen corresponding path program 1 times [2024-11-14 03:14:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:11,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738912105] [2024-11-14 03:14:11,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:11,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:11,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:11,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738912105] [2024-11-14 03:14:11,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738912105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:11,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:11,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-14 03:14:11,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237045315] [2024-11-14 03:14:11,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:11,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 03:14:11,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:11,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 03:14:11,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-14 03:14:11,873 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:12,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:12,510 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-14 03:14:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 03:14:12,511 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 03:14:12,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:12,512 INFO L225 Difference]: With dead ends: 82 [2024-11-14 03:14:12,512 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 03:14:12,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2024-11-14 03:14:12,513 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 54 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:12,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 371 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:14:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 03:14:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2024-11-14 03:14:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.144927536231884) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-14 03:14:12,516 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 31 [2024-11-14 03:14:12,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:12,516 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-14 03:14:12,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-14 03:14:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:14:12,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:12,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:12,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-14 03:14:12,517 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:12,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:12,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1615360553, now seen corresponding path program 1 times [2024-11-14 03:14:12,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202663258] [2024-11-14 03:14:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:12,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:12,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202663258] [2024-11-14 03:14:12,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202663258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:12,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:12,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:14:12,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560527560] [2024-11-14 03:14:12,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:12,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:14:12,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:14:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:14:12,629 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:12,752 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2024-11-14 03:14:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:14:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2024-11-14 03:14:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:12,753 INFO L225 Difference]: With dead ends: 91 [2024-11-14 03:14:12,753 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 03:14:12,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:14:12,754 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:12,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 237 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 03:14:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-14 03:14:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 73 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) [2024-11-14 03:14:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-14 03:14:12,757 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 31 [2024-11-14 03:14:12,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:12,757 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-14 03:14:12,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-14 03:14:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 03:14:12,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:12,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:12,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-14 03:14:12,758 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:12,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash 362564408, now seen corresponding path program 1 times [2024-11-14 03:14:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:12,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451947313] [2024-11-14 03:14:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:13,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:13,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451947313] [2024-11-14 03:14:13,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451947313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:13,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:13,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-14 03:14:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092191823] [2024-11-14 03:14:13,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:13,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 03:14:13,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 03:14:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-11-14 03:14:13,483 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:13,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:13,984 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2024-11-14 03:14:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 03:14:13,985 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-14 03:14:13,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:13,985 INFO L225 Difference]: With dead ends: 87 [2024-11-14 03:14:13,986 INFO L226 Difference]: Without dead ends: 74 [2024-11-14 03:14:13,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2024-11-14 03:14:13,987 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:13,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 418 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-14 03:14:13,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-14 03:14:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1029411764705883) internal successors, (75), 73 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2024-11-14 03:14:13,990 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 32 [2024-11-14 03:14:13,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:13,990 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2024-11-14 03:14:13,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2024-11-14 03:14:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 03:14:13,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:13,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:13,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-14 03:14:13,991 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:13,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash 362570366, now seen corresponding path program 1 times [2024-11-14 03:14:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:13,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085660839] [2024-11-14 03:14:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:14,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:14,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085660839] [2024-11-14 03:14:14,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085660839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:14,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:14,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:14:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320599022] [2024-11-14 03:14:14,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:14,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:14:14,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:14:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:14,052 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:14,121 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2024-11-14 03:14:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:14:14,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-14 03:14:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:14,123 INFO L225 Difference]: With dead ends: 74 [2024-11-14 03:14:14,123 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 03:14:14,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:14:14,125 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:14,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:14:14,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 03:14:14,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-14 03:14:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 68 states have (on average 1.088235294117647) internal successors, (74), 72 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2024-11-14 03:14:14,129 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 32 [2024-11-14 03:14:14,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:14,129 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2024-11-14 03:14:14,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2024-11-14 03:14:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 03:14:14,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:14,129 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:14,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-14 03:14:14,130 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:14,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1463436210, now seen corresponding path program 1 times [2024-11-14 03:14:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790903209] [2024-11-14 03:14:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:14:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:14:14,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:14:14,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790903209] [2024-11-14 03:14:14,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790903209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:14:14,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:14:14,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-14 03:14:14,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210226512] [2024-11-14 03:14:14,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:14:14,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 03:14:14,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:14:14,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 03:14:14,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2024-11-14 03:14:14,923 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:14:15,436 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2024-11-14 03:14:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 03:14:15,437 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-14 03:14:15,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:14:15,437 INFO L225 Difference]: With dead ends: 73 [2024-11-14 03:14:15,437 INFO L226 Difference]: Without dead ends: 72 [2024-11-14 03:14:15,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 03:14:15,438 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 44 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:14:15,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 376 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:14:15,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-14 03:14:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-14 03:14:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 71 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2024-11-14 03:14:15,442 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 32 [2024-11-14 03:14:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:14:15,442 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-11-14 03:14:15,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:14:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2024-11-14 03:14:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 03:14:15,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:14:15,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:15,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-14 03:14:15,443 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-14 03:14:15,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:14:15,444 INFO L85 PathProgramCache]: Analyzing trace with hash -508783033, now seen corresponding path program 1 times [2024-11-14 03:14:15,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:14:15,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161266703] [2024-11-14 03:14:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:14:15,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:14:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:15,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:14:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:14:15,545 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:14:15,545 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:14:15,546 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2024-11-14 03:14:15,551 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2024-11-14 03:14:15,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2024-11-14 03:14:15,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2024-11-14 03:14:15,557 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2024-11-14 03:14:15,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2024-11-14 03:14:15,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-14 03:14:15,566 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:14:15,629 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:14:15,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:14:15 BoogieIcfgContainer [2024-11-14 03:14:15,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:14:15,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:14:15,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:14:15,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:14:15,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:13:48" (3/4) ... [2024-11-14 03:14:15,640 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 03:14:15,708 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:14:15,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:14:15,709 INFO L158 Benchmark]: Toolchain (without parser) took 28169.28ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 116.1MB in the beginning and 267.9MB in the end (delta: -151.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-14 03:14:15,710 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:15,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.07ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:14:15,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:15,711 INFO L158 Benchmark]: Boogie Preprocessor took 50.37ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:15,711 INFO L158 Benchmark]: RCFGBuilder took 753.48ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 70.1MB in the end (delta: 25.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:14:15,712 INFO L158 Benchmark]: TraceAbstraction took 26775.66ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 69.5MB in the beginning and 272.6MB in the end (delta: -203.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:14:15,712 INFO L158 Benchmark]: Witness Printer took 70.67ms. Allocated memory is still 327.2MB. Free memory was 272.6MB in the beginning and 267.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:14:15,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.07ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.37ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 753.48ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 70.1MB in the end (delta: 25.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 26775.66ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 69.5MB in the beginning and 272.6MB in the end (delta: -203.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.67ms. Allocated memory is still 327.2MB. Free memory was 272.6MB in the beginning and 267.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 601]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 [L560] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L560] COND FALSE !(*x > 0) [L563] EXPR \read(*x) [L563] (*x)-- [L565] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L565] COND FALSE !(*x > 0) [L568] EXPR \read(*x) [L568] (*x)-- [L570] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L570] COND FALSE !(*x > 0) [L573] EXPR \read(*x) [L573] (*x)-- [L575] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L575] COND FALSE !(*x > 0) [L578] EXPR \read(*x) [L578] (*x)-- [L580] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L580] COND FALSE !(*x > 0) [L583] EXPR \read(*x) [L583] (*x)-- [L585] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L585] COND FALSE !(*x > 0) [L588] EXPR \read(*x) [L588] (*x)-- [L590] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L590] COND FALSE !(*x > 0) [L593] EXPR \read(*x) [L593] (*x)-- [L595] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L595] COND FALSE !(*x > 0) [L598] EXPR \read(*x) [L598] (*x)-- [L600] EXPR \read(*y) [L600] *y < 100 && *z < 100 [L600] EXPR \read(*z) [L600] *y < 100 && *z < 100 VAL [x={6:0}, y={5:0}, z={2:0}] [L600] COND TRUE *y < 100 && *z < 100 [L601] EXPR \read(*y) [L601] EXPR \read(*x) VAL [x={6:0}, y={5:0}, z={2:0}] [L601] *y + *x VAL [x={6:0}, y={5:0}, z={2:0}] - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 601]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 50, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 581 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 581 mSDsluCounter, 16492 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13180 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11395 IncrementalHoareTripleChecker+Invalid, 11440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 3312 mSDtfsCounter, 11395 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 513 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1372 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 482, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 49 MinimizatonAttempts, 105 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 845 ConstructedInterpolants, 0 QuantifiedInterpolants, 3937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 03:14:15,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b6a618-1e7f-4e3d-9a36-5b11c851edf2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)