./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:35:05,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:35:05,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:35:05,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:35:05,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:35:05,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:35:05,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:35:05,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:35:05,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:35:05,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:35:05,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:35:05,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:35:05,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:35:05,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:35:05,937 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:35:05,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:35:05,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:35:05,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:35:05,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:35:05,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:35:05,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:35:05,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:35:05,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:35:05,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:35:05,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:35:05,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:35:05,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:35:05,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:35:05,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:35:05,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:35:05,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:35:05,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:35:05,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:35:05,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:35:05,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:05,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:35:05,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:35:05,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:35:05,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:35:05,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:35:05,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:35:05,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:35:05,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:35:05,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:35:05,948 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2024-10-24 19:35:06,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:35:06,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:35:06,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:35:06,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:35:06,290 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:35:06,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2024-10-24 19:35:07,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:35:08,019 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:35:08,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2024-10-24 19:35:08,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5c189a7/391e242e16f548939b416551b0ecb251/FLAGcff860bfd [2024-10-24 19:35:08,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5c189a7/391e242e16f548939b416551b0ecb251 [2024-10-24 19:35:08,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:35:08,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:35:08,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:08,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:35:08,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:35:08,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b10507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08, skipping insertion in model container [2024-10-24 19:35:08,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:35:08,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:08,410 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:35:08,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:08,498 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:35:08,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08 WrapperNode [2024-10-24 19:35:08,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:08,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:08,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:35:08,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:35:08,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,578 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 665 [2024-10-24 19:35:08,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:08,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:35:08,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:35:08,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:35:08,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,621 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 19:35:08,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:35:08,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:35:08,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:35:08,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:35:08,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (1/1) ... [2024-10-24 19:35:08,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:08,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:35:08,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:35:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:35:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:35:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:35:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:35:08,934 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:35:08,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:35:08,954 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:35:09,600 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-10-24 19:35:09,601 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-10-24 19:35:09,659 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-10-24 19:35:09,660 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:35:09,704 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:35:09,707 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:35:09,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:09 BoogieIcfgContainer [2024-10-24 19:35:09,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:35:09,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:35:09,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:35:09,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:35:09,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:35:08" (1/3) ... [2024-10-24 19:35:09,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a2ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:09, skipping insertion in model container [2024-10-24 19:35:09,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:08" (2/3) ... [2024-10-24 19:35:09,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a2ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:09, skipping insertion in model container [2024-10-24 19:35:09,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:09" (3/3) ... [2024-10-24 19:35:09,723 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2024-10-24 19:35:09,740 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:35:09,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-24 19:35:09,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:35:09,827 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fe6af11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:35:09,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-24 19:35:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:35:09,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:09,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:09,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:09,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:09,847 INFO L85 PathProgramCache]: Analyzing trace with hash 402125321, now seen corresponding path program 1 times [2024-10-24 19:35:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:09,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064581477] [2024-10-24 19:35:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:10,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:10,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064581477] [2024-10-24 19:35:10,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064581477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:10,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:35:10,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284265817] [2024-10-24 19:35:10,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:10,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 19:35:10,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:10,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 19:35:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 19:35:10,135 INFO L87 Difference]: Start difference. First operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 states have internal predecessors, (297), 0 states have call successors, (0), 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 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2024-10-24 19:35:10,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:10,221 INFO L93 Difference]: Finished difference Result 325 states and 552 transitions. [2024-10-24 19:35:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 19:35:10,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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 [2024-10-24 19:35:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:10,233 INFO L225 Difference]: With dead ends: 325 [2024-10-24 19:35:10,234 INFO L226 Difference]: Without dead ends: 150 [2024-10-24 19:35:10,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 19:35:10,241 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:10,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 266 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-24 19:35:10,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-10-24 19:35:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 146 states have (on average 1.5890410958904109) internal successors, (232), 149 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 232 transitions. [2024-10-24 19:35:10,302 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 232 transitions. Word has length 15 [2024-10-24 19:35:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:10,306 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 232 transitions. [2024-10-24 19:35:10,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2024-10-24 19:35:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 232 transitions. [2024-10-24 19:35:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 19:35:10,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:10,308 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, 1, 1, 1, 1] [2024-10-24 19:35:10,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:35:10,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:10,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:10,312 INFO L85 PathProgramCache]: Analyzing trace with hash -854819406, now seen corresponding path program 1 times [2024-10-24 19:35:10,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:10,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528257387] [2024-10-24 19:35:10,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:10,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:10,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528257387] [2024-10-24 19:35:10,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528257387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:10,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:10,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:35:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67421539] [2024-10-24 19:35:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:10,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:10,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:10,470 INFO L87 Difference]: Start difference. First operand 150 states and 232 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:10,620 INFO L93 Difference]: Finished difference Result 297 states and 457 transitions. [2024-10-24 19:35:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:10,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2024-10-24 19:35:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:10,621 INFO L225 Difference]: With dead ends: 297 [2024-10-24 19:35:10,622 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 19:35:10,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:10,623 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 15 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:10,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 338 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 19:35:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-10-24 19:35:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 156 states have (on average 1.5512820512820513) internal successors, (242), 159 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 242 transitions. [2024-10-24 19:35:10,632 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 242 transitions. Word has length 39 [2024-10-24 19:35:10,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:10,632 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 242 transitions. [2024-10-24 19:35:10,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2024-10-24 19:35:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 19:35:10,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:10,634 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:10,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:35:10,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:10,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash 16626403, now seen corresponding path program 1 times [2024-10-24 19:35:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91568750] [2024-10-24 19:35:10,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:10,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:10,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:10,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91568750] [2024-10-24 19:35:10,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91568750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:10,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:10,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:10,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307081953] [2024-10-24 19:35:10,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:10,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:10,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:10,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:10,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:10,703 INFO L87 Difference]: Start difference. First operand 160 states and 242 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:10,868 INFO L93 Difference]: Finished difference Result 317 states and 485 transitions. [2024-10-24 19:35:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:10,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-10-24 19:35:10,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:10,870 INFO L225 Difference]: With dead ends: 317 [2024-10-24 19:35:10,870 INFO L226 Difference]: Without dead ends: 180 [2024-10-24 19:35:10,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:10,872 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:10,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 361 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:10,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-24 19:35:10,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-10-24 19:35:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 176 states have (on average 1.5170454545454546) internal successors, (267), 179 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 267 transitions. [2024-10-24 19:35:10,881 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 267 transitions. Word has length 54 [2024-10-24 19:35:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:10,881 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 267 transitions. [2024-10-24 19:35:10,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 267 transitions. [2024-10-24 19:35:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 19:35:10,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:10,883 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:10,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:35:10,884 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:10,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:10,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1146597796, now seen corresponding path program 1 times [2024-10-24 19:35:10,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:10,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795825401] [2024-10-24 19:35:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 19:35:10,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:10,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795825401] [2024-10-24 19:35:10,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795825401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:10,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:10,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:10,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347780586] [2024-10-24 19:35:10,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:10,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:10,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:10,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:10,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:10,971 INFO L87 Difference]: Start difference. First operand 180 states and 267 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:11,131 INFO L93 Difference]: Finished difference Result 360 states and 540 transitions. [2024-10-24 19:35:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:11,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 74 [2024-10-24 19:35:11,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:11,133 INFO L225 Difference]: With dead ends: 360 [2024-10-24 19:35:11,133 INFO L226 Difference]: Without dead ends: 203 [2024-10-24 19:35:11,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:11,138 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:11,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-10-24 19:35:11,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-10-24 19:35:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 199 states have (on average 1.4824120603015076) internal successors, (295), 202 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 295 transitions. [2024-10-24 19:35:11,167 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 295 transitions. Word has length 74 [2024-10-24 19:35:11,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:11,168 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 295 transitions. [2024-10-24 19:35:11,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions. [2024-10-24 19:35:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 19:35:11,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:11,171 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:11,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:35:11,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:11,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:11,174 INFO L85 PathProgramCache]: Analyzing trace with hash 487066274, now seen corresponding path program 1 times [2024-10-24 19:35:11,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:11,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601422991] [2024-10-24 19:35:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:11,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 19:35:11,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:11,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601422991] [2024-10-24 19:35:11,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601422991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:11,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:11,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:11,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440096068] [2024-10-24 19:35:11,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:11,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:11,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:11,388 INFO L87 Difference]: Start difference. First operand 203 states and 295 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:11,596 INFO L93 Difference]: Finished difference Result 426 states and 635 transitions. [2024-10-24 19:35:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:11,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 74 [2024-10-24 19:35:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:11,599 INFO L225 Difference]: With dead ends: 426 [2024-10-24 19:35:11,601 INFO L226 Difference]: Without dead ends: 246 [2024-10-24 19:35:11,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:11,606 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 16 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:11,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 354 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-24 19:35:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2024-10-24 19:35:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 238 states have (on average 1.4243697478991597) internal successors, (339), 241 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 339 transitions. [2024-10-24 19:35:11,630 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 339 transitions. Word has length 74 [2024-10-24 19:35:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:11,630 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 339 transitions. [2024-10-24 19:35:11,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 339 transitions. [2024-10-24 19:35:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 19:35:11,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:11,636 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:11,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:35:11,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:11,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash -789713067, now seen corresponding path program 1 times [2024-10-24 19:35:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:11,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015854574] [2024-10-24 19:35:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 19:35:11,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:11,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015854574] [2024-10-24 19:35:11,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015854574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:11,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:11,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:11,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641694922] [2024-10-24 19:35:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:11,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:11,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:11,751 INFO L87 Difference]: Start difference. First operand 242 states and 339 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:11,898 INFO L93 Difference]: Finished difference Result 485 states and 687 transitions. [2024-10-24 19:35:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:11,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 94 [2024-10-24 19:35:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:11,903 INFO L225 Difference]: With dead ends: 485 [2024-10-24 19:35:11,904 INFO L226 Difference]: Without dead ends: 266 [2024-10-24 19:35:11,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:11,907 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:11,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-24 19:35:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-10-24 19:35:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 262 states have (on average 1.4045801526717556) internal successors, (368), 265 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 368 transitions. [2024-10-24 19:35:11,926 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 368 transitions. Word has length 94 [2024-10-24 19:35:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:11,927 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 368 transitions. [2024-10-24 19:35:11,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 368 transitions. [2024-10-24 19:35:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 19:35:11,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:11,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:11,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:35:11,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:11,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:11,938 INFO L85 PathProgramCache]: Analyzing trace with hash -2101087629, now seen corresponding path program 1 times [2024-10-24 19:35:11,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:11,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513878097] [2024-10-24 19:35:11,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 19:35:12,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:12,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513878097] [2024-10-24 19:35:12,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513878097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:12,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:12,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:12,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792942084] [2024-10-24 19:35:12,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:12,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:12,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:12,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:12,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,035 INFO L87 Difference]: Start difference. First operand 266 states and 368 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:12,162 INFO L93 Difference]: Finished difference Result 548 states and 750 transitions. [2024-10-24 19:35:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:12,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-24 19:35:12,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:12,165 INFO L225 Difference]: With dead ends: 548 [2024-10-24 19:35:12,165 INFO L226 Difference]: Without dead ends: 305 [2024-10-24 19:35:12,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,169 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 10 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:12,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 361 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:12,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-24 19:35:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-10-24 19:35:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 301 states have (on average 1.3687707641196014) internal successors, (412), 304 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 412 transitions. [2024-10-24 19:35:12,180 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 412 transitions. Word has length 115 [2024-10-24 19:35:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:12,181 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 412 transitions. [2024-10-24 19:35:12,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 412 transitions. [2024-10-24 19:35:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 19:35:12,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:12,184 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:12,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:35:12,184 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:12,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:12,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1953253146, now seen corresponding path program 1 times [2024-10-24 19:35:12,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554846108] [2024-10-24 19:35:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-24 19:35:12,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:12,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554846108] [2024-10-24 19:35:12,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554846108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:12,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:12,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:12,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273866151] [2024-10-24 19:35:12,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:12,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:12,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:12,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:12,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,302 INFO L87 Difference]: Start difference. First operand 305 states and 412 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 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) [2024-10-24 19:35:12,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:12,446 INFO L93 Difference]: Finished difference Result 613 states and 837 transitions. [2024-10-24 19:35:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:12,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-10-24 19:35:12,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:12,448 INFO L225 Difference]: With dead ends: 613 [2024-10-24 19:35:12,448 INFO L226 Difference]: Without dead ends: 331 [2024-10-24 19:35:12,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,449 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:12,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:12,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-24 19:35:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2024-10-24 19:35:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 327 states have (on average 1.3547400611620795) internal successors, (443), 330 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 443 transitions. [2024-10-24 19:35:12,461 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 443 transitions. Word has length 120 [2024-10-24 19:35:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:12,462 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 443 transitions. [2024-10-24 19:35:12,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 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) [2024-10-24 19:35:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 443 transitions. [2024-10-24 19:35:12,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 19:35:12,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:12,466 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:12,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 19:35:12,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:12,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:12,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1750667726, now seen corresponding path program 1 times [2024-10-24 19:35:12,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:12,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884643049] [2024-10-24 19:35:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:12,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-24 19:35:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884643049] [2024-10-24 19:35:12,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884643049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:12,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:12,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884182899] [2024-10-24 19:35:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:12,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,556 INFO L87 Difference]: Start difference. First operand 331 states and 443 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2024-10-24 19:35:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:12,691 INFO L93 Difference]: Finished difference Result 667 states and 903 transitions. [2024-10-24 19:35:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:12,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) Word has length 142 [2024-10-24 19:35:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:12,693 INFO L225 Difference]: With dead ends: 667 [2024-10-24 19:35:12,693 INFO L226 Difference]: Without dead ends: 359 [2024-10-24 19:35:12,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,698 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:12,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:12,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-24 19:35:12,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-10-24 19:35:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 355 states have (on average 1.3408450704225352) internal successors, (476), 358 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 476 transitions. [2024-10-24 19:35:12,707 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 476 transitions. Word has length 142 [2024-10-24 19:35:12,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:12,707 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 476 transitions. [2024-10-24 19:35:12,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2024-10-24 19:35:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 476 transitions. [2024-10-24 19:35:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-24 19:35:12,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:12,709 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:12,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:35:12,709 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:12,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash 689768184, now seen corresponding path program 1 times [2024-10-24 19:35:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:12,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515501057] [2024-10-24 19:35:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-24 19:35:12,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:12,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515501057] [2024-10-24 19:35:12,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515501057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:12,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:12,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:12,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86613681] [2024-10-24 19:35:12,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:12,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:12,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:12,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:12,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,783 INFO L87 Difference]: Start difference. First operand 359 states and 476 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:12,920 INFO L93 Difference]: Finished difference Result 725 states and 973 transitions. [2024-10-24 19:35:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:12,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2024-10-24 19:35:12,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:12,922 INFO L225 Difference]: With dead ends: 725 [2024-10-24 19:35:12,922 INFO L226 Difference]: Without dead ends: 389 [2024-10-24 19:35:12,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:12,924 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 12 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:12,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 373 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-24 19:35:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-10-24 19:35:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 385 states have (on average 1.3272727272727274) internal successors, (511), 388 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 511 transitions. [2024-10-24 19:35:12,931 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 511 transitions. Word has length 147 [2024-10-24 19:35:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:12,932 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 511 transitions. [2024-10-24 19:35:12,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 511 transitions. [2024-10-24 19:35:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-24 19:35:12,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:12,956 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:12,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 19:35:12,957 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:12,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1867752535, now seen corresponding path program 1 times [2024-10-24 19:35:12,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:12,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189264553] [2024-10-24 19:35:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:12,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 164 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-10-24 19:35:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189264553] [2024-10-24 19:35:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189264553] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295549383] [2024-10-24 19:35:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:13,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:13,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:13,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:13,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:35:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:13,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 19:35:13,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-24 19:35:13,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:13,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295549383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:13,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:13,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-24 19:35:13,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909574979] [2024-10-24 19:35:13,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:13,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:13,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:13,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:13,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:13,442 INFO L87 Difference]: Start difference. First operand 389 states and 511 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2024-10-24 19:35:13,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:13,485 INFO L93 Difference]: Finished difference Result 1113 states and 1463 transitions. [2024-10-24 19:35:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:13,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) Word has length 174 [2024-10-24 19:35:13,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:13,489 INFO L225 Difference]: With dead ends: 1113 [2024-10-24 19:35:13,489 INFO L226 Difference]: Without dead ends: 747 [2024-10-24 19:35:13,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:13,490 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 161 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:13,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 431 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:13,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-10-24 19:35:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2024-10-24 19:35:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 743 states have (on average 1.3216689098250336) internal successors, (982), 746 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 982 transitions. [2024-10-24 19:35:13,506 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 982 transitions. Word has length 174 [2024-10-24 19:35:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:13,507 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 982 transitions. [2024-10-24 19:35:13,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2024-10-24 19:35:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 982 transitions. [2024-10-24 19:35:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-24 19:35:13,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:13,510 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:13,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 19:35:13,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 19:35:13,711 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:13,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 616824144, now seen corresponding path program 1 times [2024-10-24 19:35:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210698947] [2024-10-24 19:35:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:13,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-24 19:35:13,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:13,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210698947] [2024-10-24 19:35:13,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210698947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:13,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:13,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:13,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181564984] [2024-10-24 19:35:13,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:13,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:13,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:13,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:13,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:13,820 INFO L87 Difference]: Start difference. First operand 747 states and 982 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:13,887 INFO L93 Difference]: Finished difference Result 2143 states and 2822 transitions. [2024-10-24 19:35:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:13,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 181 [2024-10-24 19:35:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:13,895 INFO L225 Difference]: With dead ends: 2143 [2024-10-24 19:35:13,896 INFO L226 Difference]: Without dead ends: 1419 [2024-10-24 19:35:13,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:13,898 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 160 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:13,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 610 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-10-24 19:35:13,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1415. [2024-10-24 19:35:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1411 states have (on average 1.3217576187101348) internal successors, (1865), 1414 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1865 transitions. [2024-10-24 19:35:13,940 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1865 transitions. Word has length 181 [2024-10-24 19:35:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:13,940 INFO L471 AbstractCegarLoop]: Abstraction has 1415 states and 1865 transitions. [2024-10-24 19:35:13,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1865 transitions. [2024-10-24 19:35:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-24 19:35:13,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:13,945 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:13,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 19:35:13,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:13,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash 671217042, now seen corresponding path program 1 times [2024-10-24 19:35:13,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:13,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553992492] [2024-10-24 19:35:13,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:13,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 19:35:13,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437268505] [2024-10-24 19:35:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:13,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:13,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:13,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:13,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:35:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:35:14,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 19:35:14,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:14,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553992492] [2024-10-24 19:35:14,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 19:35:14,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437268505] [2024-10-24 19:35:14,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437268505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:14,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:14,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856988047] [2024-10-24 19:35:14,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:14,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:14,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:14,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:14,234 INFO L87 Difference]: Start difference. First operand 1415 states and 1865 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 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) [2024-10-24 19:35:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:14,443 INFO L93 Difference]: Finished difference Result 2847 states and 3789 transitions. [2024-10-24 19:35:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 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) Word has length 181 [2024-10-24 19:35:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:14,452 INFO L225 Difference]: With dead ends: 2847 [2024-10-24 19:35:14,452 INFO L226 Difference]: Without dead ends: 2171 [2024-10-24 19:35:14,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:14,455 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 226 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:14,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 734 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2024-10-24 19:35:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 1655. [2024-10-24 19:35:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1651 states have (on average 1.3282858873410055) internal successors, (2193), 1654 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2193 transitions. [2024-10-24 19:35:14,491 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2193 transitions. Word has length 181 [2024-10-24 19:35:14,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:14,492 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2193 transitions. [2024-10-24 19:35:14,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 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) [2024-10-24 19:35:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2193 transitions. [2024-10-24 19:35:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-24 19:35:14,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:14,494 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:14,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:35:14,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 19:35:14,699 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:14,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash -667107535, now seen corresponding path program 1 times [2024-10-24 19:35:14,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:14,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562676615] [2024-10-24 19:35:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 19:35:14,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531228909] [2024-10-24 19:35:14,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:14,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:14,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:14,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:35:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:35:14,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 19:35:14,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:14,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562676615] [2024-10-24 19:35:14,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 19:35:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531228909] [2024-10-24 19:35:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531228909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:14,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053435485] [2024-10-24 19:35:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:15,000 INFO L87 Difference]: Start difference. First operand 1655 states and 2193 transitions. Second operand has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:15,200 INFO L93 Difference]: Finished difference Result 3087 states and 4066 transitions. [2024-10-24 19:35:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:15,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 182 [2024-10-24 19:35:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:15,208 INFO L225 Difference]: With dead ends: 3087 [2024-10-24 19:35:15,208 INFO L226 Difference]: Without dead ends: 2171 [2024-10-24 19:35:15,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:15,210 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 213 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:15,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 749 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2024-10-24 19:35:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 1661. [2024-10-24 19:35:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1657 states have (on average 1.327700663850332) internal successors, (2200), 1660 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2200 transitions. [2024-10-24 19:35:15,249 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2200 transitions. Word has length 182 [2024-10-24 19:35:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:15,249 INFO L471 AbstractCegarLoop]: Abstraction has 1661 states and 2200 transitions. [2024-10-24 19:35:15,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2200 transitions. [2024-10-24 19:35:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 19:35:15,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:15,252 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:15,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 19:35:15,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:15,453 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:15,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:15,454 INFO L85 PathProgramCache]: Analyzing trace with hash 794503540, now seen corresponding path program 1 times [2024-10-24 19:35:15,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:15,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401462323] [2024-10-24 19:35:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-24 19:35:15,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:15,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401462323] [2024-10-24 19:35:15,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401462323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:15,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:15,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:15,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115666390] [2024-10-24 19:35:15,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:15,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:15,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:15,665 INFO L87 Difference]: Start difference. First operand 1661 states and 2200 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,032 INFO L93 Difference]: Finished difference Result 3857 states and 5105 transitions. [2024-10-24 19:35:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:16,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2024-10-24 19:35:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,042 INFO L225 Difference]: With dead ends: 3857 [2024-10-24 19:35:16,042 INFO L226 Difference]: Without dead ends: 2219 [2024-10-24 19:35:16,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:16,045 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 250 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 802 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:35:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2024-10-24 19:35:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2181. [2024-10-24 19:35:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 2177 states have (on average 1.311437758383096) internal successors, (2855), 2180 states have internal predecessors, (2855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2855 transitions. [2024-10-24 19:35:16,092 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2855 transitions. Word has length 183 [2024-10-24 19:35:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,093 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 2855 transitions. [2024-10-24 19:35:16,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2855 transitions. [2024-10-24 19:35:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-24 19:35:16,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,096 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 19:35:16,096 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:16,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1140193389, now seen corresponding path program 1 times [2024-10-24 19:35:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280992738] [2024-10-24 19:35:16,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 19:35:16,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678448579] [2024-10-24 19:35:16,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:16,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:16,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:16,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:35:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:35:16,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:35:16,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280992738] [2024-10-24 19:35:16,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 19:35:16,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678448579] [2024-10-24 19:35:16,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678448579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371586016] [2024-10-24 19:35:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:16,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,595 INFO L87 Difference]: Start difference. First operand 2181 states and 2855 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,934 INFO L93 Difference]: Finished difference Result 2489 states and 3239 transitions. [2024-10-24 19:35:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:35:16,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 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 184 [2024-10-24 19:35:16,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,944 INFO L225 Difference]: With dead ends: 2489 [2024-10-24 19:35:16,945 INFO L226 Difference]: Without dead ends: 2488 [2024-10-24 19:35:16,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,947 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 380 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1033 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:35:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2024-10-24 19:35:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2182. [2024-10-24 19:35:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2178 states have (on average 1.3112947658402203) internal successors, (2856), 2181 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2856 transitions. [2024-10-24 19:35:16,996 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2856 transitions. Word has length 184 [2024-10-24 19:35:16,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,996 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 2856 transitions. [2024-10-24 19:35:16,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2856 transitions. [2024-10-24 19:35:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-24 19:35:17,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:17,001 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:17,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:35:17,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 19:35:17,202 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:17,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash 839708069, now seen corresponding path program 1 times [2024-10-24 19:35:17,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019135678] [2024-10-24 19:35:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-24 19:35:17,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:17,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019135678] [2024-10-24 19:35:17,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019135678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:17,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:17,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:17,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680233096] [2024-10-24 19:35:17,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:17,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:17,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:17,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:17,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:17,312 INFO L87 Difference]: Start difference. First operand 2182 states and 2856 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:17,507 INFO L93 Difference]: Finished difference Result 4049 states and 5363 transitions. [2024-10-24 19:35:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:17,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 224 [2024-10-24 19:35:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:17,513 INFO L225 Difference]: With dead ends: 4049 [2024-10-24 19:35:17,513 INFO L226 Difference]: Without dead ends: 1264 [2024-10-24 19:35:17,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:17,517 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 14 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:17,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 377 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2024-10-24 19:35:17,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1264. [2024-10-24 19:35:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1260 states have (on average 1.2904761904761906) internal successors, (1626), 1263 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1626 transitions. [2024-10-24 19:35:17,545 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1626 transitions. Word has length 224 [2024-10-24 19:35:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:17,546 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 1626 transitions. [2024-10-24 19:35:17,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1626 transitions. [2024-10-24 19:35:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-10-24 19:35:17,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:17,550 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:17,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 19:35:17,550 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:17,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1537432087, now seen corresponding path program 1 times [2024-10-24 19:35:17,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:17,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706767641] [2024-10-24 19:35:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 578 proven. 25 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 19:35:17,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:17,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706767641] [2024-10-24 19:35:17,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706767641] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:17,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643240123] [2024-10-24 19:35:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:17,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:17,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:17,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:35:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:35:17,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 578 proven. 25 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 19:35:17,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 578 proven. 25 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 19:35:18,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643240123] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:18,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:18,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-24 19:35:18,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831749446] [2024-10-24 19:35:18,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:18,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:35:18,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:18,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:35:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:18,030 INFO L87 Difference]: Start difference. First operand 1264 states and 1626 transitions. Second operand has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:18,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:18,492 INFO L93 Difference]: Finished difference Result 3622 states and 4814 transitions. [2024-10-24 19:35:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:35:18,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 0 states have call successors, (0), 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 281 [2024-10-24 19:35:18,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:18,501 INFO L225 Difference]: With dead ends: 3622 [2024-10-24 19:35:18,502 INFO L226 Difference]: Without dead ends: 2302 [2024-10-24 19:35:18,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:35:18,505 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 630 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:18,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 650 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 19:35:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2024-10-24 19:35:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 1581. [2024-10-24 19:35:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1577 states have (on average 1.3677869372225746) internal successors, (2157), 1580 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2157 transitions. [2024-10-24 19:35:18,541 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2157 transitions. Word has length 281 [2024-10-24 19:35:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2157 transitions. [2024-10-24 19:35:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2157 transitions. [2024-10-24 19:35:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-10-24 19:35:18,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:18,548 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:18,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 19:35:18,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 19:35:18,748 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:18,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:18,749 INFO L85 PathProgramCache]: Analyzing trace with hash -297400014, now seen corresponding path program 1 times [2024-10-24 19:35:18,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:18,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822671088] [2024-10-24 19:35:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:18,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 938 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2024-10-24 19:35:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822671088] [2024-10-24 19:35:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822671088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738687159] [2024-10-24 19:35:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:18,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:18,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:18,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:18,846 INFO L87 Difference]: Start difference. First operand 1581 states and 2157 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:18,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:18,998 INFO L93 Difference]: Finished difference Result 3304 states and 4568 transitions. [2024-10-24 19:35:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:18,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 378 [2024-10-24 19:35:18,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:19,006 INFO L225 Difference]: With dead ends: 3304 [2024-10-24 19:35:19,006 INFO L226 Difference]: Without dead ends: 1746 [2024-10-24 19:35:19,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,010 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:19,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 373 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:19,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2024-10-24 19:35:19,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1746. [2024-10-24 19:35:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1742 states have (on average 1.3473019517795637) internal successors, (2347), 1745 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2347 transitions. [2024-10-24 19:35:19,046 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2347 transitions. Word has length 378 [2024-10-24 19:35:19,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:19,047 INFO L471 AbstractCegarLoop]: Abstraction has 1746 states and 2347 transitions. [2024-10-24 19:35:19,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2347 transitions. [2024-10-24 19:35:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 19:35:19,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:19,054 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:19,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 19:35:19,054 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:19,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash -344107066, now seen corresponding path program 1 times [2024-10-24 19:35:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:19,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766717359] [2024-10-24 19:35:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:19,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 1298 proven. 0 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2024-10-24 19:35:19,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:19,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766717359] [2024-10-24 19:35:19,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766717359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:19,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:19,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:19,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809190505] [2024-10-24 19:35:19,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:19,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:19,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:19,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:19,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,194 INFO L87 Difference]: Start difference. First operand 1746 states and 2347 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:19,346 INFO L93 Difference]: Finished difference Result 3538 states and 4783 transitions. [2024-10-24 19:35:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:19,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 438 [2024-10-24 19:35:19,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:19,353 INFO L225 Difference]: With dead ends: 3538 [2024-10-24 19:35:19,353 INFO L226 Difference]: Without dead ends: 1815 [2024-10-24 19:35:19,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,357 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 9 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:19,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 373 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2024-10-24 19:35:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1675. [2024-10-24 19:35:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1671 states have (on average 1.3189706762417714) internal successors, (2204), 1674 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2204 transitions. [2024-10-24 19:35:19,391 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2204 transitions. Word has length 438 [2024-10-24 19:35:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:19,391 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2204 transitions. [2024-10-24 19:35:19,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2204 transitions. [2024-10-24 19:35:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 19:35:19,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:19,399 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 9, 7, 7, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:19,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 19:35:19,399 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:19,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1441905164, now seen corresponding path program 1 times [2024-10-24 19:35:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:19,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500629974] [2024-10-24 19:35:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2892 backedges. 1689 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2024-10-24 19:35:19,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500629974] [2024-10-24 19:35:19,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500629974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:19,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:19,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:19,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847559583] [2024-10-24 19:35:19,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:19,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:19,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:19,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:19,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,544 INFO L87 Difference]: Start difference. First operand 1675 states and 2204 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:19,710 INFO L93 Difference]: Finished difference Result 3179 states and 4125 transitions. [2024-10-24 19:35:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:19,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 492 [2024-10-24 19:35:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:19,716 INFO L225 Difference]: With dead ends: 3179 [2024-10-24 19:35:19,717 INFO L226 Difference]: Without dead ends: 1527 [2024-10-24 19:35:19,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,720 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 33 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:19,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 348 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2024-10-24 19:35:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1525. [2024-10-24 19:35:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1521 states have (on average 1.2531229454306378) internal successors, (1906), 1524 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1906 transitions. [2024-10-24 19:35:19,751 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1906 transitions. Word has length 492 [2024-10-24 19:35:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:19,773 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 1906 transitions. [2024-10-24 19:35:19,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1906 transitions. [2024-10-24 19:35:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-10-24 19:35:19,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:19,781 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:19,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 19:35:19,781 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 19:35:19,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:19,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1847174256, now seen corresponding path program 1 times [2024-10-24 19:35:19,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:19,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265468632] [2024-10-24 19:35:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:19,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 1526 proven. 25 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-10-24 19:35:20,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265468632] [2024-10-24 19:35:20,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265468632] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094165157] [2024-10-24 19:35:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:20,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:20,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:20,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:20,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:35:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:35:20,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 1526 proven. 25 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-10-24 19:35:20,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 1526 proven. 25 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-10-24 19:35:20,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094165157] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:20,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:20,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-24 19:35:20,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997082997] [2024-10-24 19:35:20,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:20,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:35:20,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:20,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:35:20,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:35:20,419 INFO L87 Difference]: Start difference. First operand 1525 states and 1906 transitions. Second operand has 8 states, 8 states have (on average 38.75) internal successors, (310), 8 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:20,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:20,846 INFO L93 Difference]: Finished difference Result 2436 states and 3103 transitions. [2024-10-24 19:35:20,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:35:20,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 38.75) internal successors, (310), 8 states have internal predecessors, (310), 0 states have call successors, (0), 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 502 [2024-10-24 19:35:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:20,849 INFO L225 Difference]: With dead ends: 2436 [2024-10-24 19:35:20,849 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:35:20,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:20,851 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 190 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:20,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1085 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 19:35:20,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:35:20,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:35:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:35:20,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 502 [2024-10-24 19:35:20,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:20,854 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:35:20,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 38.75) internal successors, (310), 8 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:35:20,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:35:20,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-24 19:35:20,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-24 19:35:20,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-24 19:35:20,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-24 19:35:20,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-24 19:35:20,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-24 19:35:20,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-24 19:35:20,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-24 19:35:20,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 19:35:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:21,066 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] [2024-10-24 19:35:21,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 19:35:21,608 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:35:21,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:35:21 BoogieIcfgContainer [2024-10-24 19:35:21,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:35:21,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:35:21,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:35:21,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:35:21,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:09" (3/4) ... [2024-10-24 19:35:21,633 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:35:21,655 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 19:35:21,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 19:35:21,657 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:35:21,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 19:35:21,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:35:21,791 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:35:21,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:35:21,792 INFO L158 Benchmark]: Toolchain (without parser) took 13726.82ms. Allocated memory was 136.3MB in the beginning and 302.0MB in the end (delta: 165.7MB). Free memory was 89.2MB in the beginning and 243.7MB in the end (delta: -154.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,792 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 96.5MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:35:21,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.53ms. Allocated memory is still 136.3MB. Free memory was 89.2MB in the beginning and 70.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.18ms. Allocated memory is still 136.3MB. Free memory was 70.8MB in the beginning and 106.7MB in the end (delta: -35.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,793 INFO L158 Benchmark]: Boogie Preprocessor took 79.80ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 103.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,793 INFO L158 Benchmark]: RCFGBuilder took 1048.49ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 59.4MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,793 INFO L158 Benchmark]: TraceAbstraction took 11915.83ms. Allocated memory was 136.3MB in the beginning and 302.0MB in the end (delta: 165.7MB). Free memory was 58.5MB in the beginning and 255.2MB in the end (delta: -196.7MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,794 INFO L158 Benchmark]: Witness Printer took 161.74ms. Allocated memory is still 302.0MB. Free memory was 255.2MB in the beginning and 243.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 19:35:21,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 96.5MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.53ms. Allocated memory is still 136.3MB. Free memory was 89.2MB in the beginning and 70.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.18ms. Allocated memory is still 136.3MB. Free memory was 70.8MB in the beginning and 106.7MB in the end (delta: -35.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.80ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 103.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1048.49ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 59.4MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11915.83ms. Allocated memory was 136.3MB in the beginning and 302.0MB in the end (delta: 165.7MB). Free memory was 58.5MB in the beginning and 255.2MB in the end (delta: -196.7MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. * Witness Printer took 161.74ms. Allocated memory is still 302.0MB. Free memory was 255.2MB in the beginning and 243.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 176 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 22, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2373 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2373 mSDsluCounter, 11120 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5052 mSDsCounter, 399 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3441 IncrementalHoareTripleChecker+Invalid, 3840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 399 mSolverCounterUnsat, 6068 mSDtfsCounter, 3441 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2353 GetRequests, 2308 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2182occurred in iteration=16, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2241 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 5778 NumberOfCodeBlocks, 5778 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5987 ConstructedInterpolants, 0 QuantifiedInterpolants, 8977 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2600 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 27 InterpolantComputations, 20 PerfectInterpolantSequences, 21035/21210 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((blastFlag <= 2) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8576)) || ((blastFlag <= 2) && (s__state == 8512))) || ((blastFlag <= 2) && (8544 == s__state))) || ((blastFlag <= 2) && (8640 <= s__state))) || ((8560 == s__state) && (blastFlag <= 2))) || ((blastFlag <= 2) && (8464 == s__state))) || ((3 == blastFlag) && (8656 <= s__state))) || (((3 == blastFlag) && (3 == s__s3__tmp__next_state___0)) && (8448 == s__state))) || ((((blastFlag <= 2) && (8448 == s__state)) && (s__s3__tmp__next_state___0 == 8640)) && (0 != s__hit))) || ((((3 == blastFlag) && (8448 == s__state)) && (s__s3__tmp__next_state___0 == 8640)) && (0 != s__hit))) || (s__state == 3)) || ((((3 == blastFlag) && (s__s3__tmp__next_state___0 == 8640)) && (s__state == 8640)) && (0 != s__hit))) || ((blastFlag <= 2) && (s__state == 8608))) || ((blastFlag <= 2) && (s__state == 8592))) || ((8496 == s__state) && (blastFlag <= 2))) || ((s__state == 8528) && (blastFlag <= 2))) RESULT: Ultimate proved your program to be correct! [2024-10-24 19:35:21,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE