./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-bwb/and-02-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-bwb/and-02-false.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:04:40,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:04:40,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 10:04:40,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:04:40,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:04:40,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:04:40,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:04:40,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:04:40,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:04:40,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:04:40,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:04:40,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:04:40,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:04:40,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:04:40,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:04:40,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:04:40,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:04:40,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:04:40,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:04:40,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:04:40,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:04:40,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:04:40,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:04:40,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:04:40,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:04:40,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:04:40,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:04:40,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:04:40,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:04:40,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:04:40,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:04:40,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:04:40,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:04:40,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:04:40,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:04:40,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:04:40,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:04:40,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:04:40,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:04:40,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:04:40,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:04:40,859 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 [2024-11-19 10:04:41,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:04:41,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:04:41,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:04:41,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:04:41,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:04:41,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-02-false.c [2024-11-19 10:04:42,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:04:42,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:04:42,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-02-false.c [2024-11-19 10:04:42,904 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ee11354/1f06f6b1a2224c55bdeed4d746abafe3/FLAG65e0e818c [2024-11-19 10:04:42,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ee11354/1f06f6b1a2224c55bdeed4d746abafe3 [2024-11-19 10:04:42,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:04:42,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:04:42,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:04:42,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:04:42,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:04:42,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:42" (1/1) ... [2024-11-19 10:04:42,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ddff62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:42, skipping insertion in model container [2024-11-19 10:04:42,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:42" (1/1) ... [2024-11-19 10:04:42,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:04:43,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:04:43,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:04:43,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:04:43,126 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:04:43,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43 WrapperNode [2024-11-19 10:04:43,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:04:43,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:04:43,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:04:43,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:04:43,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,152 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-19 10:04:43,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:04:43,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:04:43,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:04:43,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:04:43,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,172 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 10:04:43,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:04:43,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:04:43,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:04:43,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:04:43,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (1/1) ... [2024-11-19 10:04:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:04:43,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:43,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:04:43,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:04:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:04:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:04:43,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:04:43,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:04:43,383 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-19 10:04:43,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:04:43,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:04:43,396 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:04:43,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:43 BoogieIcfgContainer [2024-11-19 10:04:43,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:04:43,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:04:43,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:04:43,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:04:43,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:04:42" (1/3) ... [2024-11-19 10:04:43,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969d22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:43, skipping insertion in model container [2024-11-19 10:04:43,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:43" (2/3) ... [2024-11-19 10:04:43,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969d22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:43, skipping insertion in model container [2024-11-19 10:04:43,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:43" (3/3) ... [2024-11-19 10:04:43,403 INFO L112 eAbstractionObserver]: Analyzing ICFG and-02-false.c [2024-11-19 10:04:43,415 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:04:43,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:04:43,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:04:43,469 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;@146c6fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:04:43,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:04:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 10:04:43,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:43,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 10:04:43,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:43,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:43,485 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-19 10:04:43,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:43,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928308163] [2024-11-19 10:04:43,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:43,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928308163] [2024-11-19 10:04:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928308163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:43,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:43,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388943925] [2024-11-19 10:04:43,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:43,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:04:43,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:04:43,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:04:43,664 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:43,704 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2024-11-19 10:04:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:43,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 10:04:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:43,714 INFO L225 Difference]: With dead ends: 30 [2024-11-19 10:04:43,715 INFO L226 Difference]: Without dead ends: 19 [2024-11-19 10:04:43,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:04:43,719 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:43,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-19 10:04:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-19 10:04:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.5) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-19 10:04:43,743 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 4 [2024-11-19 10:04:43,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:43,743 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-19 10:04:43,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-19 10:04:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:04:43,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:43,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:04:43,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:04:43,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:43,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:43,746 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-19 10:04:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:43,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940454563] [2024-11-19 10:04:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:43,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:43,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940454563] [2024-11-19 10:04:43,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940454563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:43,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:43,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:43,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055819225] [2024-11-19 10:04:43,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:43,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:04:43,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:43,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:04:43,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:04:43,793 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:43,818 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-11-19 10:04:43,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:43,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:04:43,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:43,822 INFO L225 Difference]: With dead ends: 18 [2024-11-19 10:04:43,822 INFO L226 Difference]: Without dead ends: 17 [2024-11-19 10:04:43,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:04:43,823 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:43,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:43,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-19 10:04:43,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-19 10:04:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-11-19 10:04:43,827 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 5 [2024-11-19 10:04:43,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:43,828 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-19 10:04:43,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-19 10:04:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:04:43,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:43,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:43,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:04:43,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:43,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:43,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1810630123, now seen corresponding path program 1 times [2024-11-19 10:04:43,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:43,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078479232] [2024-11-19 10:04:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:43,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:43,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078479232] [2024-11-19 10:04:43,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078479232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:43,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:43,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:43,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432565999] [2024-11-19 10:04:43,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:43,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:43,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:43,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:43,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:43,858 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:43,870 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2024-11-19 10:04:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:43,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:04:43,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:43,871 INFO L225 Difference]: With dead ends: 26 [2024-11-19 10:04:43,871 INFO L226 Difference]: Without dead ends: 13 [2024-11-19 10:04:43,871 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 [2024-11-19 10:04:43,872 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:43,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-19 10:04:43,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 10:04:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-19 10:04:43,876 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2024-11-19 10:04:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:43,876 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-19 10:04:43,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-19 10:04:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:04:43,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:43,877 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:43,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:04:43,877 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:43,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:43,878 INFO L85 PathProgramCache]: Analyzing trace with hash -26486125, now seen corresponding path program 1 times [2024-11-19 10:04:43,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:43,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215315197] [2024-11-19 10:04:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:43,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:43,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215315197] [2024-11-19 10:04:43,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215315197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:43,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615808729] [2024-11-19 10:04:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:43,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:43,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:43,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:43,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:04:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:44,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:04:44,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:44,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:44,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615808729] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:44,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:44,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:04:44,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510608857] [2024-11-19 10:04:44,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:44,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:04:44,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:44,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:04:44,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:04:44,096 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:44,183 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2024-11-19 10:04:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:04:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:04:44,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:44,184 INFO L225 Difference]: With dead ends: 38 [2024-11-19 10:04:44,185 INFO L226 Difference]: Without dead ends: 37 [2024-11-19 10:04:44,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:04:44,186 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:44,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 21 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-19 10:04:44,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-19 10:04:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2024-11-19 10:04:44,196 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 10 [2024-11-19 10:04:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:44,197 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2024-11-19 10:04:44,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-19 10:04:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:04:44,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:44,198 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-19 10:04:44,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:04:44,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:44,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:44,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash -429191776, now seen corresponding path program 2 times [2024-11-19 10:04:44,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:44,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595305634] [2024-11-19 10:04:44,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:04:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:44,427 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:04:44,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:44,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595305634] [2024-11-19 10:04:44,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595305634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:44,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595132755] [2024-11-19 10:04:44,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:04:44,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:44,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:44,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:04:44,741 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:04:44,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:44,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:04:44,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:44,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:44,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595132755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:44,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:44,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-19 10:04:44,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741790727] [2024-11-19 10:04:44,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:44,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:04:44,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:44,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:04:44,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:04:44,982 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:45,093 INFO L93 Difference]: Finished difference Result 86 states and 111 transitions. [2024-11-19 10:04:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:04:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 10:04:45,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:45,094 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:04:45,094 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:04:45,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:04:45,095 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 61 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:45,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 44 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:04:45,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-19 10:04:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 105 transitions. [2024-11-19 10:04:45,103 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 105 transitions. Word has length 28 [2024-11-19 10:04:45,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:45,104 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 105 transitions. [2024-11-19 10:04:45,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:45,104 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2024-11-19 10:04:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:04:45,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:45,105 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-19 10:04:45,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:45,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:45,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:45,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1391585274, now seen corresponding path program 3 times [2024-11-19 10:04:45,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:45,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430184531] [2024-11-19 10:04:45,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:04:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:45,326 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:04:45,327 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:45,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:45,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430184531] [2024-11-19 10:04:45,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430184531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:45,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528236267] [2024-11-19 10:04:45,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:04:45,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:45,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:45,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:45,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:04:45,819 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:04:45,819 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:45,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:04:45,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:45,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:46,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528236267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:46,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:46,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-19 10:04:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303441467] [2024-11-19 10:04:46,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:46,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-19 10:04:46,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:46,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-19 10:04:46,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:04:46,377 INFO L87 Difference]: Start difference. First operand 85 states and 105 transitions. Second operand has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:46,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:46,592 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2024-11-19 10:04:46,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-19 10:04:46,593 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-19 10:04:46,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:46,594 INFO L225 Difference]: With dead ends: 182 [2024-11-19 10:04:46,594 INFO L226 Difference]: Without dead ends: 181 [2024-11-19 10:04:46,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:04:46,596 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 201 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:46,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 74 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:04:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-19 10:04:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-19 10:04:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.25) internal successors, (225), 180 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 225 transitions. [2024-11-19 10:04:46,616 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 225 transitions. Word has length 64 [2024-11-19 10:04:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:46,616 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 225 transitions. [2024-11-19 10:04:46,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 225 transitions. [2024-11-19 10:04:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 10:04:46,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:46,621 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-19 10:04:46,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:04:46,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:46,826 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:46,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:46,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1157616210, now seen corresponding path program 4 times [2024-11-19 10:04:46,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:46,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78817430] [2024-11-19 10:04:46,828 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:04:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:46,860 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:04:46,860 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:48,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:48,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78817430] [2024-11-19 10:04:48,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78817430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:48,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380477403] [2024-11-19 10:04:48,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:04:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:48,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:48,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:04:48,126 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:04:48,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:48,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-19 10:04:48,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:48,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:50,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380477403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:50,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:50,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-11-19 10:04:50,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136953870] [2024-11-19 10:04:50,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:50,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 10:04:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 10:04:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:04:50,905 INFO L87 Difference]: Start difference. First operand 181 states and 225 transitions. Second operand has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:51,485 INFO L93 Difference]: Finished difference Result 563 states and 727 transitions. [2024-11-19 10:04:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-19 10:04:51,485 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 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 136 [2024-11-19 10:04:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:51,488 INFO L225 Difference]: With dead ends: 563 [2024-11-19 10:04:51,489 INFO L226 Difference]: Without dead ends: 562 [2024-11-19 10:04:51,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:04:51,491 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 664 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:51,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 125 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:04:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-19 10:04:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 371. [2024-11-19 10:04:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.2486486486486486) internal successors, (462), 370 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 462 transitions. [2024-11-19 10:04:51,515 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 462 transitions. Word has length 136 [2024-11-19 10:04:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:51,515 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 462 transitions. [2024-11-19 10:04:51,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2024-11-19 10:04:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-19 10:04:51,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:51,519 INFO L215 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-19 10:04:51,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:51,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:51,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:04:51,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:51,723 INFO L85 PathProgramCache]: Analyzing trace with hash 980745494, now seen corresponding path program 5 times [2024-11-19 10:04:51,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418617057] [2024-11-19 10:04:51,724 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:04:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:51,889 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:04:51,889 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:56,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:56,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418617057] [2024-11-19 10:04:56,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418617057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:56,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077957482] [2024-11-19 10:04:56,330 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:04:56,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:56,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:56,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:56,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:04:56,502 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:04:56,503 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:56,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-19 10:04:56,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:56,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:05:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:05:02,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077957482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:05:02,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:05:02,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-19 10:05:02,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087972631] [2024-11-19 10:05:02,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:05:02,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-19 10:05:02,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:05:02,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-19 10:05:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:05:02,263 INFO L87 Difference]: Start difference. First operand 371 states and 462 transitions. Second operand has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:05:04,015 INFO L93 Difference]: Finished difference Result 756 states and 990 transitions. [2024-11-19 10:05:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-19 10:05:04,016 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 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 280 [2024-11-19 10:05:04,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:05:04,018 INFO L225 Difference]: With dead ends: 756 [2024-11-19 10:05:04,019 INFO L226 Difference]: Without dead ends: 755 [2024-11-19 10:05:04,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:05:04,028 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1574 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:05:04,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 220 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:05:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-19 10:05:04,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2024-11-19 10:05:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 754 states have (on average 1.2493368700265253) internal successors, (942), 754 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 942 transitions. [2024-11-19 10:05:04,072 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 942 transitions. Word has length 280 [2024-11-19 10:05:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:05:04,073 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 942 transitions. [2024-11-19 10:05:04,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 942 transitions. [2024-11-19 10:05:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2024-11-19 10:05:04,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:05:04,095 INFO L215 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 1, 1, 1] [2024-11-19 10:05:04,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:05:04,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:05:04,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:05:04,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:05:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash -680547354, now seen corresponding path program 6 times [2024-11-19 10:05:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:05:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933511316] [2024-11-19 10:05:04,297 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:05:04,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:05:04,567 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:05:04,568 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:05:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:05:19,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:05:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933511316] [2024-11-19 10:05:19,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933511316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:05:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084242483] [2024-11-19 10:05:19,969 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:05:19,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:05:19,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:05:19,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:05:19,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:05:20,377 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:05:20,377 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:05:20,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-19 10:05:20,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:05:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:05:21,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:05:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:05:44,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084242483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:05:44,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:05:44,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2024-11-19 10:05:44,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721917994] [2024-11-19 10:05:44,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:05:44,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-19 10:05:44,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:05:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-19 10:05:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-19 10:05:44,851 INFO L87 Difference]: Start difference. First operand 755 states and 942 transitions. Second operand has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:59,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:05:59,238 INFO L93 Difference]: Finished difference Result 1524 states and 1998 transitions. [2024-11-19 10:05:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-11-19 10:05:59,239 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 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 568 [2024-11-19 10:05:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:05:59,247 INFO L225 Difference]: With dead ends: 1524 [2024-11-19 10:05:59,249 INFO L226 Difference]: Without dead ends: 1523 [2024-11-19 10:05:59,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 32.2s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-19 10:05:59,261 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4039 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4039 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:05:59,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4039 Valid, 414 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:05:59,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2024-11-19 10:05:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1523. [2024-11-19 10:05:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.2496714848883048) internal successors, (1902), 1522 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1902 transitions. [2024-11-19 10:05:59,310 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1902 transitions. Word has length 568 [2024-11-19 10:05:59,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:05:59,313 INFO L471 AbstractCegarLoop]: Abstraction has 1523 states and 1902 transitions. [2024-11-19 10:05:59,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:05:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1902 transitions. [2024-11-19 10:05:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2024-11-19 10:05:59,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:05:59,347 INFO L215 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 190, 1, 1, 1] [2024-11-19 10:05:59,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:05:59,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:05:59,548 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:05:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:05:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash -282506874, now seen corresponding path program 7 times [2024-11-19 10:05:59,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:05:59,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760534594] [2024-11-19 10:05:59,549 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:05:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:06:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat