./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loop-zilu/benchmark38_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:26:13,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:26:13,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:26:13,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:26:13,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:26:13,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:26:13,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:26:13,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:26:13,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:26:13,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:26:13,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:26:13,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:26:13,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:26:13,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:26:13,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:26:13,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:26:13,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:26:13,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:26:13,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:26:13,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:26:13,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:26:13,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:26:13,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:26:13,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:26:13,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:26:13,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:26:13,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:26:13,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:26:13,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:13,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:26:13,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:26:13,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:26:13,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:26:13,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:26:13,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:26:13,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:26:13,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:26:13,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:26:13,713 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 [2024-11-19 10:26:13,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:26:13,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:26:13,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:26:13,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:26:13,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:26:13,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2024-11-19 10:26:15,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:26:15,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:26:15,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2024-11-19 10:26:15,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acf9cc9/0563fa12c7794db980162c1fef17852c/FLAG51566583c [2024-11-19 10:26:15,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acf9cc9/0563fa12c7794db980162c1fef17852c [2024-11-19 10:26:15,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:26:15,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:26:15,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:15,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:26:15,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:26:15,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1f2d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15, skipping insertion in model container [2024-11-19 10:26:15,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:26:15,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:15,433 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:26:15,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:15,457 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:26:15,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15 WrapperNode [2024-11-19 10:26:15,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:15,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:15,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:26:15,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:26:15,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,480 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-19 10:26:15,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:15,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:26:15,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:26:15,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:26:15,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,490 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:26:15,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:26:15,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:26:15,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:26:15,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:26:15,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (1/1) ... [2024-11-19 10:26:15,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:15,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:15,547 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 10:26:15,549 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 10:26:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:26:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:26:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:26:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:26:15,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:26:15,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:26:15,737 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-19 10:26:15,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:26:15,750 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:26:15,750 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:26:15,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:15 BoogieIcfgContainer [2024-11-19 10:26:15,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:26:15,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:26:15,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:26:15,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:26:15,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:26:15" (1/3) ... [2024-11-19 10:26:15,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10033309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:15, skipping insertion in model container [2024-11-19 10:26:15,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:15" (2/3) ... [2024-11-19 10:26:15,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10033309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:15, skipping insertion in model container [2024-11-19 10:26:15,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:15" (3/3) ... [2024-11-19 10:26:15,759 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark38_conjunctive.i [2024-11-19 10:26:15,772 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:26:15,773 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 10:26:15,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:26:15,828 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;@c0bddc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:26:15,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 10:26:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:26:15,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:15,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:26:15,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:15,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:15,842 INFO L85 PathProgramCache]: Analyzing trace with hash 28696326, now seen corresponding path program 1 times [2024-11-19 10:26:15,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:15,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575348263] [2024-11-19 10:26:15,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:15,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:15,942 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 10:26:15,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:15,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575348263] [2024-11-19 10:26:15,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575348263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:15,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:15,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:15,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717829016] [2024-11-19 10:26:15,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:15,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:26:15,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:15,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:26:15,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:15,970 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 10:26:15,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:15,981 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2024-11-19 10:26:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:26:15,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 10:26:15,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:15,988 INFO L225 Difference]: With dead ends: 34 [2024-11-19 10:26:15,988 INFO L226 Difference]: Without dead ends: 17 [2024-11-19 10:26:15,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:15,993 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:15,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-19 10:26:16,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-19 10:26:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 10:26:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-19 10:26:16,016 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2024-11-19 10:26:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,016 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-19 10:26:16,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 10:26:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-19 10:26:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:26:16,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:26:16,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2024-11-19 10:26:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628808947] [2024-11-19 10:26:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,089 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 10:26:16,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628808947] [2024-11-19 10:26:16,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628808947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520078378] [2024-11-19 10:26:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,092 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 10:26:16,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,104 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-19 10:26:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2024-11-19 10:26:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,105 INFO L225 Difference]: With dead ends: 17 [2024-11-19 10:26:16,105 INFO L226 Difference]: Without dead ends: 16 [2024-11-19 10:26:16,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,106 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-19 10:26:16,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-19 10:26:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-19 10:26:16,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2024-11-19 10:26:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,110 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-19 10:26:16,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 10:26:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-19 10:26:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:26:16,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,112 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:26:16,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash 889571286, now seen corresponding path program 1 times [2024-11-19 10:26:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426933080] [2024-11-19 10:26:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,151 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 10:26:16,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426933080] [2024-11-19 10:26:16,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426933080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:16,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287383285] [2024-11-19 10:26:16,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:16,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,153 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 10:26:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,179 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2024-11-19 10:26:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:16,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2024-11-19 10:26:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,183 INFO L225 Difference]: With dead ends: 24 [2024-11-19 10:26:16,183 INFO L226 Difference]: Without dead ends: 23 [2024-11-19 10:26:16,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,184 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-19 10:26:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2024-11-19 10:26:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 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 10:26:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-19 10:26:16,189 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2024-11-19 10:26:16,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,189 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-19 10:26:16,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states 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 10:26:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-19 10:26:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:26:16,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:26:16,190 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2024-11-19 10:26:16,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795034708] [2024-11-19 10:26:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,248 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 10:26:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795034708] [2024-11-19 10:26:16,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795034708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784824237] [2024-11-19 10:26:16,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:16,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,251 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.5) 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 10:26:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,263 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-19 10:26:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) 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 10:26:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,264 INFO L225 Difference]: With dead ends: 24 [2024-11-19 10:26:16,264 INFO L226 Difference]: Without dead ends: 23 [2024-11-19 10:26:16,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,265 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-19 10:26:16,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-19 10:26:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-19 10:26:16,271 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2024-11-19 10:26:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,271 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-19 10:26:16,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) 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 10:26:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-19 10:26:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:26:16,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:26:16,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1806906152, now seen corresponding path program 1 times [2024-11-19 10:26:16,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388749846] [2024-11-19 10:26:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,313 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 10:26:16,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388749846] [2024-11-19 10:26:16,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388749846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:16,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876923136] [2024-11-19 10:26:16,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:16,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:16,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,315 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) 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 10:26:16,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,332 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-11-19 10:26:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:16,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) 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 10:26:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,333 INFO L225 Difference]: With dead ends: 23 [2024-11-19 10:26:16,333 INFO L226 Difference]: Without dead ends: 20 [2024-11-19 10:26:16,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:16,335 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-19 10:26:16,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-19 10:26:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 19 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 10:26:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-19 10:26:16,338 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2024-11-19 10:26:16,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,338 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-19 10:26:16,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) 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 10:26:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-19 10:26:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:26:16,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:26:16,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2024-11-19 10:26:16,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439487235] [2024-11-19 10:26:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,390 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 10:26:16,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439487235] [2024-11-19 10:26:16,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439487235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:16,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843692837] [2024-11-19 10:26:16,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:16,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:16,396 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:16,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,420 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2024-11-19 10:26:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:16,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:26:16,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,421 INFO L225 Difference]: With dead ends: 20 [2024-11-19 10:26:16,421 INFO L226 Difference]: Without dead ends: 18 [2024-11-19 10:26:16,422 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 10:26:16,422 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-19 10:26:16,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-19 10:26:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states 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 10:26:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-19 10:26:16,429 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2024-11-19 10:26:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,429 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-19 10:26:16,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-19 10:26:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:26:16,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:26:16,429 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2024-11-19 10:26:16,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889043204] [2024-11-19 10:26:16,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,463 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 10:26:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889043204] [2024-11-19 10:26:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889043204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:16,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182102542] [2024-11-19 10:26:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:16,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:16,465 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states 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 10:26:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,487 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2024-11-19 10:26:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:16,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2024-11-19 10:26:16,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,488 INFO L225 Difference]: With dead ends: 21 [2024-11-19 10:26:16,488 INFO L226 Difference]: Without dead ends: 20 [2024-11-19 10:26:16,488 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 10:26:16,489 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-19 10:26:16,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-19 10:26:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 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 10:26:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-19 10:26:16,492 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2024-11-19 10:26:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,492 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-19 10:26:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states 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 10:26:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-19 10:26:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:26:16,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:26:16,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2067968621, now seen corresponding path program 1 times [2024-11-19 10:26:16,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752919957] [2024-11-19 10:26:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:16,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752919957] [2024-11-19 10:26:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752919957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413097115] [2024-11-19 10:26:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:16,545 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 10:26:16,546 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 10:26:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:16,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:16,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:16,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413097115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:16,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:16,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:26:16,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139436193] [2024-11-19 10:26:16,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:16,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:26:16,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:16,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:26:16,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:16,678 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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 10:26:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:16,702 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2024-11-19 10:26:16,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:26:16,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:26:16,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:16,705 INFO L225 Difference]: With dead ends: 48 [2024-11-19 10:26:16,705 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:26:16,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:16,705 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:16,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:16,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:26:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2024-11-19 10:26:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 35 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 10:26:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-19 10:26:16,714 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2024-11-19 10:26:16,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:16,714 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-19 10:26:16,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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 10:26:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-19 10:26:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:26:16,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:16,715 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:16,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:16,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:16,916 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:16,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:16,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2067970191, now seen corresponding path program 1 times [2024-11-19 10:26:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:16,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413126609] [2024-11-19 10:26:16,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:16,977 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 10:26:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:16,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413126609] [2024-11-19 10:26:16,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413126609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:16,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552676647] [2024-11-19 10:26:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:16,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:16,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:16,979 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 10:26:16,984 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 10:26:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:17,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:17,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:17,024 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 10:26:17,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:17,055 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 10:26:17,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552676647] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:17,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:17,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 10:26:17,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427685291] [2024-11-19 10:26:17,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:17,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:26:17,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:17,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:26:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:26:17,058 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 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 10:26:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:17,092 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-19 10:26:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:26:17,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:26:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:17,095 INFO L225 Difference]: With dead ends: 42 [2024-11-19 10:26:17,095 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 10:26:17,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:26:17,096 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:17,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:17,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 10:26:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-19 10:26:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 35 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-11-19 10:26:17,102 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 13 [2024-11-19 10:26:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:17,102 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-11-19 10:26:17,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 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 10:26:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-11-19 10:26:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:26:17,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:17,103 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-19 10:26:17,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:26:17,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-19 10:26:17,304 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:17,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1507456702, now seen corresponding path program 1 times [2024-11-19 10:26:17,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:17,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117657794] [2024-11-19 10:26:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:17,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:17,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117657794] [2024-11-19 10:26:17,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117657794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:17,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976399214] [2024-11-19 10:26:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:17,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:17,380 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 10:26:17,382 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 10:26:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:17,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:26:17,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:17,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:17,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976399214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:17,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:17,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-19 10:26:17,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737992835] [2024-11-19 10:26:17,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:17,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:26:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:17,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:26:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:26:17,523 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states 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 10:26:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:17,569 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2024-11-19 10:26:17,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:26:17,570 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 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 21 [2024-11-19 10:26:17,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:17,571 INFO L225 Difference]: With dead ends: 59 [2024-11-19 10:26:17,571 INFO L226 Difference]: Without dead ends: 58 [2024-11-19 10:26:17,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:26:17,572 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:17,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:17,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-19 10:26:17,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2024-11-19 10:26:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 49 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 10:26:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-11-19 10:26:17,581 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 21 [2024-11-19 10:26:17,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:17,581 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-11-19 10:26:17,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states 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 10:26:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-19 10:26:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:26:17,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:17,582 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:17,595 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 10:26:17,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:17,787 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:17,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:17,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1517825987, now seen corresponding path program 2 times [2024-11-19 10:26:17,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:17,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256494822] [2024-11-19 10:26:17,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:17,801 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:17,801 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:17,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:17,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256494822] [2024-11-19 10:26:17,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256494822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:17,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222749943] [2024-11-19 10:26:17,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:17,890 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 10:26:17,891 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 10:26:17,925 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:17,925 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:17,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:26:17,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:17,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:18,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222749943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:18,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:18,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-19 10:26:18,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154346649] [2024-11-19 10:26:18,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:18,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:26:18,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:18,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:26:18,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:26:18,031 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 10:26:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:18,073 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2024-11-19 10:26:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:26:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-19 10:26:18,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:18,074 INFO L225 Difference]: With dead ends: 66 [2024-11-19 10:26:18,074 INFO L226 Difference]: Without dead ends: 57 [2024-11-19 10:26:18,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:26:18,075 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:18,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 66 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-19 10:26:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2024-11-19 10:26:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 51 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-19 10:26:18,079 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 25 [2024-11-19 10:26:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:18,079 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-19 10:26:18,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 10:26:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-19 10:26:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:26:18,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:18,080 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-19 10:26:18,096 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 10:26:18,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:18,281 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:18,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash -96785938, now seen corresponding path program 2 times [2024-11-19 10:26:18,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:18,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176526335] [2024-11-19 10:26:18,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:18,290 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:18,290 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176526335] [2024-11-19 10:26:18,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176526335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975017516] [2024-11-19 10:26:18,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:18,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:18,353 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 10:26:18,354 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 10:26:18,384 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:18,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:18,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:26:18,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:18,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:18,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975017516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:18,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:18,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 10:26:18,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103843636] [2024-11-19 10:26:18,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:18,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:26:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:18,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:26:18,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:26:18,499 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 10:26:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:18,525 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-19 10:26:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:26:18,526 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-19 10:26:18,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:18,527 INFO L225 Difference]: With dead ends: 85 [2024-11-19 10:26:18,527 INFO L226 Difference]: Without dead ends: 84 [2024-11-19 10:26:18,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:26:18,527 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:18,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-19 10:26:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2024-11-19 10:26:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2024-11-19 10:26:18,542 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 31 [2024-11-19 10:26:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2024-11-19 10:26:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 10:26:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2024-11-19 10:26:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:26:18,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:18,543 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-11-19 10:26:18,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:18,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:26:18,743 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:18,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1269958558, now seen corresponding path program 2 times [2024-11-19 10:26:18,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:18,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875883710] [2024-11-19 10:26:18,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:18,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:18,754 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:18,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:18,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875883710] [2024-11-19 10:26:18,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875883710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838433796] [2024-11-19 10:26:18,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:18,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:18,922 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 10:26:18,923 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 10:26:18,959 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:18,959 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:18,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:26:18,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:19,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838433796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:19,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:19,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2024-11-19 10:26:19,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808637924] [2024-11-19 10:26:19,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:19,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-19 10:26:19,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:19,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-19 10:26:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:26:19,277 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:19,348 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2024-11-19 10:26:19,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 10:26:19,349 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-11-19 10:26:19,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:19,350 INFO L225 Difference]: With dead ends: 117 [2024-11-19 10:26:19,350 INFO L226 Difference]: Without dead ends: 116 [2024-11-19 10:26:19,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:26:19,351 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 33 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:19,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 79 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-19 10:26:19,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2024-11-19 10:26:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.1473684210526316) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 10:26:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2024-11-19 10:26:19,360 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 45 [2024-11-19 10:26:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:19,360 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2024-11-19 10:26:19,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2024-11-19 10:26:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:26:19,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:19,366 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:19,378 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 10:26:19,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:19,566 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:19,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1913306983, now seen corresponding path program 3 times [2024-11-19 10:26:19,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:19,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383570825] [2024-11-19 10:26:19,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:19,584 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:26:19,585 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:19,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383570825] [2024-11-19 10:26:19,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383570825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100651508] [2024-11-19 10:26:19,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:19,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:19,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:26:19,803 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:26:19,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:19,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:26:19,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:19,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:20,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100651508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:20,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:20,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-19 10:26:20,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208694692] [2024-11-19 10:26:20,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:20,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-19 10:26:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:20,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-19 10:26:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:26:20,121 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:20,190 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2024-11-19 10:26:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-19 10:26:20,190 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-19 10:26:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:20,191 INFO L225 Difference]: With dead ends: 124 [2024-11-19 10:26:20,191 INFO L226 Difference]: Without dead ends: 107 [2024-11-19 10:26:20,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:26:20,192 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 31 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:20,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-19 10:26:20,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2024-11-19 10:26:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 97 states have (on average 1.0721649484536082) internal successors, (104), 99 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2024-11-19 10:26:20,196 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 49 [2024-11-19 10:26:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:20,196 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2024-11-19 10:26:20,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2024-11-19 10:26:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:26:20,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:20,197 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-19 10:26:20,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:26:20,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:20,398 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:20,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash -479014812, now seen corresponding path program 3 times [2024-11-19 10:26:20,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:20,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946286849] [2024-11-19 10:26:20,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:20,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:26:20,414 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:20,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946286849] [2024-11-19 10:26:20,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946286849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791805538] [2024-11-19 10:26:20,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:20,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:20,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:20,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:20,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:26:20,583 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:26:20,583 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:20,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:26:20,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:20,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:20,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791805538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:20,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:20,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:26:20,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120817365] [2024-11-19 10:26:20,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:20,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:26:20,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:20,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:26:20,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:26:20,882 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 10:26:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:20,931 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2024-11-19 10:26:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:26:20,931 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 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 67 [2024-11-19 10:26:20,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:20,932 INFO L225 Difference]: With dead ends: 173 [2024-11-19 10:26:20,932 INFO L226 Difference]: Without dead ends: 172 [2024-11-19 10:26:20,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:26:20,933 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 58 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:20,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-19 10:26:20,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2024-11-19 10:26:20,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 141 states have (on average 1.1205673758865249) internal successors, (158), 143 states have internal predecessors, (158), 0 states have call successors, (0), 0 states 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 10:26:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2024-11-19 10:26:20,938 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 67 [2024-11-19 10:26:20,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:20,938 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2024-11-19 10:26:20,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 10:26:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2024-11-19 10:26:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 10:26:20,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:20,939 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-11-19 10:26:20,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:21,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:26:21,140 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:21,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:21,140 INFO L85 PathProgramCache]: Analyzing trace with hash 842332074, now seen corresponding path program 3 times [2024-11-19 10:26:21,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:21,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018528012] [2024-11-19 10:26:21,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:21,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:21,164 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:21,164 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018528012] [2024-11-19 10:26:21,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018528012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875144304] [2024-11-19 10:26:21,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:21,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:21,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:21,706 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:21,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:26:21,761 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:21,761 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:21,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 10:26:21,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:21,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875144304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:22,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:22,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2024-11-19 10:26:22,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329860913] [2024-11-19 10:26:22,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-19 10:26:22,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-19 10:26:22,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:22,614 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 0 states have call successors, (0), 0 states 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 10:26:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,736 INFO L93 Difference]: Finished difference Result 233 states and 263 transitions. [2024-11-19 10:26:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-19 10:26:22,737 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 0 states have call successors, (0), 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 93 [2024-11-19 10:26:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,737 INFO L225 Difference]: With dead ends: 233 [2024-11-19 10:26:22,737 INFO L226 Difference]: Without dead ends: 232 [2024-11-19 10:26:22,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:22,739 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 171 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:22,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-19 10:26:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2024-11-19 10:26:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.1361256544502618) internal successors, (217), 193 states have internal predecessors, (217), 0 states have call successors, (0), 0 states 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 10:26:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2024-11-19 10:26:22,744 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 93 [2024-11-19 10:26:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,744 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2024-11-19 10:26:22,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 0 states have call successors, (0), 0 states 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 10:26:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2024-11-19 10:26:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:26:22,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,745 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:26:22,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:26:22,946 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:22,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1705977169, now seen corresponding path program 4 times [2024-11-19 10:26:22,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860482458] [2024-11-19 10:26:22,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:22,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,959 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:22,959 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:23,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860482458] [2024-11-19 10:26:23,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860482458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:23,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364352643] [2024-11-19 10:26:23,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:23,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:23,571 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:23,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:26:23,639 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:23,639 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:23,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 10:26:23,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364352643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:24,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 64 [2024-11-19 10:26:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902273195] [2024-11-19 10:26:24,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:24,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-19 10:26:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-19 10:26:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1090, Invalid=3070, Unknown=0, NotChecked=0, Total=4160 [2024-11-19 10:26:24,455 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 0 states have call successors, (0), 0 states 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 10:26:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:24,600 INFO L93 Difference]: Finished difference Result 240 states and 255 transitions. [2024-11-19 10:26:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-19 10:26:24,600 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-19 10:26:24,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:24,601 INFO L225 Difference]: With dead ends: 240 [2024-11-19 10:26:24,601 INFO L226 Difference]: Without dead ends: 207 [2024-11-19 10:26:24,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1213 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1090, Invalid=3070, Unknown=0, NotChecked=0, Total=4160 [2024-11-19 10:26:24,602 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 119 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:24,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 184 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:24,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-19 10:26:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 196. [2024-11-19 10:26:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 193 states have (on average 1.0569948186528497) internal successors, (204), 195 states have internal predecessors, (204), 0 states have call successors, (0), 0 states 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 10:26:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2024-11-19 10:26:24,607 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 97 [2024-11-19 10:26:24,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:24,607 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2024-11-19 10:26:24,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 0 states have call successors, (0), 0 states 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 10:26:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2024-11-19 10:26:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 10:26:24,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:24,609 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-19 10:26:24,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:26:24,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:26:24,813 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:24,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:24,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1591143344, now seen corresponding path program 4 times [2024-11-19 10:26:24,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:24,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44078038] [2024-11-19 10:26:24,814 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:24,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:24,848 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:24,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:25,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:25,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44078038] [2024-11-19 10:26:25,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44078038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:25,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373917267] [2024-11-19 10:26:25,273 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:25,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:25,274 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:25,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:26:25,332 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:25,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:25,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 10:26:25,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:25,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373917267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:26,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:26,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-11-19 10:26:26,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863067497] [2024-11-19 10:26:26,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:26,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-19 10:26:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:26,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-19 10:26:26,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-19 10:26:26,011 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 0 states have call successors, (0), 0 states 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 10:26:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:26,135 INFO L93 Difference]: Finished difference Result 349 states and 372 transitions. [2024-11-19 10:26:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-19 10:26:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 0 states have call successors, (0), 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 139 [2024-11-19 10:26:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:26,137 INFO L225 Difference]: With dead ends: 349 [2024-11-19 10:26:26,137 INFO L226 Difference]: Without dead ends: 348 [2024-11-19 10:26:26,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-19 10:26:26,139 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 174 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:26,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 281 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-19 10:26:26,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2024-11-19 10:26:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 285 states have (on average 1.1157894736842104) internal successors, (318), 287 states have internal predecessors, (318), 0 states have call successors, (0), 0 states 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 10:26:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 318 transitions. [2024-11-19 10:26:26,146 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 318 transitions. Word has length 139 [2024-11-19 10:26:26,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:26,147 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 318 transitions. [2024-11-19 10:26:26,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 0 states have call successors, (0), 0 states 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 10:26:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 318 transitions. [2024-11-19 10:26:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-19 10:26:26,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:26,149 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-11-19 10:26:26,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:26,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:26:26,352 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:26,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash 426698298, now seen corresponding path program 4 times [2024-11-19 10:26:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:26,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445423373] [2024-11-19 10:26:26,353 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:26,390 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:26,390 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:27,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445423373] [2024-11-19 10:26:27,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445423373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:27,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951442364] [2024-11-19 10:26:27,976 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:27,978 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:27,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:26:28,046 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:28,046 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:28,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-19 10:26:28,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:28,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:30,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951442364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:30,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:30,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 126 [2024-11-19 10:26:30,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931402495] [2024-11-19 10:26:30,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:30,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-11-19 10:26:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:30,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-11-19 10:26:30,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=11907, Unknown=0, NotChecked=0, Total=16002 [2024-11-19 10:26:30,490 INFO L87 Difference]: Start difference. First operand 288 states and 318 transitions. Second operand has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 0 states have call successors, (0), 0 states 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 10:26:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:30,774 INFO L93 Difference]: Finished difference Result 465 states and 527 transitions. [2024-11-19 10:26:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-11-19 10:26:30,775 INFO L78 Accepts]: Start accepts. Automaton has has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 0 states have call successors, (0), 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 189 [2024-11-19 10:26:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:30,776 INFO L225 Difference]: With dead ends: 465 [2024-11-19 10:26:30,776 INFO L226 Difference]: Without dead ends: 464 [2024-11-19 10:26:30,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4833 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=4095, Invalid=11907, Unknown=0, NotChecked=0, Total=16002 [2024-11-19 10:26:30,779 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 209 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:30,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 297 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:30,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-19 10:26:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 386. [2024-11-19 10:26:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 383 states have (on average 1.1305483028720626) internal successors, (433), 385 states have internal predecessors, (433), 0 states have call successors, (0), 0 states 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 10:26:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-19 10:26:30,786 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 189 [2024-11-19 10:26:30,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:30,786 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-19 10:26:30,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 0 states have call successors, (0), 0 states 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 10:26:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-19 10:26:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 10:26:30,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:30,788 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:30,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:26:30,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:30,991 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:30,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:30,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1590755647, now seen corresponding path program 5 times [2024-11-19 10:26:30,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:30,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370452709] [2024-11-19 10:26:30,992 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:31,037 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-19 10:26:31,037 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:32,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:32,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370452709] [2024-11-19 10:26:32,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370452709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:32,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324371223] [2024-11-19 10:26:32,413 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:32,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:32,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:32,414 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:32,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:26:32,522 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-19 10:26:32,522 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:32,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-19 10:26:32,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:32,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:34,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324371223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:34,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:34,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2024-11-19 10:26:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927729544] [2024-11-19 10:26:34,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:34,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-19 10:26:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:34,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-19 10:26:34,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:34,969 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 0 states have call successors, (0), 0 states 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 10:26:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:35,233 INFO L93 Difference]: Finished difference Result 472 states and 503 transitions. [2024-11-19 10:26:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-19 10:26:35,233 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 0 states have call successors, (0), 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 193 [2024-11-19 10:26:35,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:35,235 INFO L225 Difference]: With dead ends: 472 [2024-11-19 10:26:35,235 INFO L226 Difference]: Without dead ends: 407 [2024-11-19 10:26:35,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4773 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:35,237 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 275 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:35,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 314 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-19 10:26:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 388. [2024-11-19 10:26:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 385 states have (on average 1.0493506493506493) internal successors, (404), 387 states have internal predecessors, (404), 0 states have call successors, (0), 0 states 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 10:26:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 404 transitions. [2024-11-19 10:26:35,246 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 404 transitions. Word has length 193 [2024-11-19 10:26:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:35,246 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 404 transitions. [2024-11-19 10:26:35,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 0 states have call successors, (0), 0 states 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 10:26:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 404 transitions. [2024-11-19 10:26:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-19 10:26:35,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:35,250 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2024-11-19 10:26:35,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:26:35,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-19 10:26:35,451 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:35,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:35,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1393260584, now seen corresponding path program 5 times [2024-11-19 10:26:35,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:35,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740488970] [2024-11-19 10:26:35,451 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:35,552 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:26:35,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:36,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740488970] [2024-11-19 10:26:36,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740488970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820284221] [2024-11-19 10:26:36,710 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:36,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:36,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:36,711 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:36,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:26:36,870 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:26:36,870 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:36,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-19 10:26:36,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:37,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:39,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820284221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:39,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:39,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-19 10:26:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980291373] [2024-11-19 10:26:39,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:39,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 10:26:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 10:26:39,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:26:39,046 INFO L87 Difference]: Start difference. First operand 388 states and 404 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:26:39,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:39,346 INFO L93 Difference]: Finished difference Result 701 states and 748 transitions. [2024-11-19 10:26:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-19 10:26:39,346 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 0 states have call successors, (0), 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 283 [2024-11-19 10:26:39,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:39,348 INFO L225 Difference]: With dead ends: 701 [2024-11-19 10:26:39,348 INFO L226 Difference]: Without dead ends: 700 [2024-11-19 10:26:39,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:26:39,349 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 362 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:39,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 541 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:39,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-19 10:26:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 576. [2024-11-19 10:26:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 573 states have (on average 1.1134380453752182) internal successors, (638), 575 states have internal predecessors, (638), 0 states have call successors, (0), 0 states 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 10:26:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 638 transitions. [2024-11-19 10:26:39,362 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 638 transitions. Word has length 283 [2024-11-19 10:26:39,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:39,363 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 638 transitions. [2024-11-19 10:26:39,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:26:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 638 transitions. [2024-11-19 10:26:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-19 10:26:39,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:39,366 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 62, 1, 1, 1, 1] [2024-11-19 10:26:39,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:39,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:39,566 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:39,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:39,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1897038682, now seen corresponding path program 5 times [2024-11-19 10:26:39,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:39,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714587642] [2024-11-19 10:26:39,567 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:39,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:39,667 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-19 10:26:39,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:45,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:45,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714587642] [2024-11-19 10:26:45,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714587642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:45,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163914481] [2024-11-19 10:26:45,183 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:45,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:45,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:45,184 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:45,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:26:45,434 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-19 10:26:45,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:45,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-19 10:26:45,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:45,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:54,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163914481] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:54,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:54,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 253 [2024-11-19 10:26:54,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521126699] [2024-11-19 10:26:54,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:54,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2024-11-19 10:26:54,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:54,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2024-11-19 10:26:54,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-19 10:26:54,032 INFO L87 Difference]: Start difference. First operand 576 states and 638 transitions. Second operand has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 0 states have call successors, (0), 0 states 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 10:26:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:55,115 INFO L93 Difference]: Finished difference Result 929 states and 1055 transitions. [2024-11-19 10:26:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-11-19 10:26:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 0 states have call successors, (0), 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 381 [2024-11-19 10:26:55,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:55,118 INFO L225 Difference]: With dead ends: 929 [2024-11-19 10:26:55,118 INFO L226 Difference]: Without dead ends: 928 [2024-11-19 10:26:55,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19469 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-19 10:26:55,122 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 791 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:55,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 550 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:55,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-19 10:26:55,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 770. [2024-11-19 10:26:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 767 states have (on average 1.1277705345501956) internal successors, (865), 769 states have internal predecessors, (865), 0 states have call successors, (0), 0 states 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 10:26:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 865 transitions. [2024-11-19 10:26:55,159 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 865 transitions. Word has length 381 [2024-11-19 10:26:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:55,160 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 865 transitions. [2024-11-19 10:26:55,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 0 states have call successors, (0), 0 states 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 10:26:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 865 transitions. [2024-11-19 10:26:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-19 10:26:55,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:55,162 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:55,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:55,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:55,363 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:26:55,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash -752808353, now seen corresponding path program 6 times [2024-11-19 10:26:55,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:55,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731458102] [2024-11-19 10:26:55,363 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:26:55,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:55,475 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2024-11-19 10:26:55,475 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:00,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:00,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731458102] [2024-11-19 10:27:00,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731458102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:00,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851444681] [2024-11-19 10:27:00,670 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:00,671 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:00,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:27:00,952 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2024-11-19 10:27:00,952 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:00,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-19 10:27:00,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:01,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:09,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851444681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:09,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 255 [2024-11-19 10:27:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218841442] [2024-11-19 10:27:09,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:09,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2024-11-19 10:27:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2024-11-19 10:27:09,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2024-11-19 10:27:09,881 INFO L87 Difference]: Start difference. First operand 770 states and 865 transitions. Second operand has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 10:27:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:10,762 INFO L93 Difference]: Finished difference Result 936 states and 999 transitions. [2024-11-19 10:27:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2024-11-19 10:27:10,762 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 0 states have call successors, (0), 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 385 [2024-11-19 10:27:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:10,764 INFO L225 Difference]: With dead ends: 936 [2024-11-19 10:27:10,764 INFO L226 Difference]: Without dead ends: 807 [2024-11-19 10:27:10,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19781 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2024-11-19 10:27:10,767 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 485 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:10,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 564 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-11-19 10:27:10,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 772. [2024-11-19 10:27:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.0455136540962289) internal successors, (804), 771 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:27:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 804 transitions. [2024-11-19 10:27:10,779 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 804 transitions. Word has length 385 [2024-11-19 10:27:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:10,779 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 804 transitions. [2024-11-19 10:27:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 0 states have call successors, (0), 0 states 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 10:27:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 804 transitions. [2024-11-19 10:27:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-11-19 10:27:10,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:10,782 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2024-11-19 10:27:10,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:10,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-19 10:27:10,982 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:27:10,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:10,983 INFO L85 PathProgramCache]: Analyzing trace with hash -982011944, now seen corresponding path program 6 times [2024-11-19 10:27:10,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:10,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511067037] [2024-11-19 10:27:10,983 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:10,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:11,159 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:27:11,159 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:15,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:15,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511067037] [2024-11-19 10:27:15,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511067037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:15,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871120268] [2024-11-19 10:27:15,654 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:15,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:15,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:15,656 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:15,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:27:16,221 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:27:16,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:16,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-19 10:27:16,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:16,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:23,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871120268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:23,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:23,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-19 10:27:23,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994693263] [2024-11-19 10:27:23,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:23,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-19 10:27:23,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:23,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-19 10:27:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-19 10:27:23,856 INFO L87 Difference]: Start difference. First operand 772 states and 804 transitions. Second operand has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states 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 10:27:24,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:24,930 INFO L93 Difference]: Finished difference Result 1405 states and 1500 transitions. [2024-11-19 10:27:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-19 10:27:24,930 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 0 states have call successors, (0), 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 571 [2024-11-19 10:27:24,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:24,934 INFO L225 Difference]: With dead ends: 1405 [2024-11-19 10:27:24,934 INFO L226 Difference]: Without dead ends: 1404 [2024-11-19 10:27:24,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1236 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-19 10:27:24,935 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 934 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:24,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1063 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:27:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-19 10:27:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1152. [2024-11-19 10:27:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1149 states have (on average 1.112271540469974) internal successors, (1278), 1151 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states 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 10:27:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1278 transitions. [2024-11-19 10:27:24,952 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1278 transitions. Word has length 571 [2024-11-19 10:27:24,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:24,953 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1278 transitions. [2024-11-19 10:27:24,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states 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 10:27:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1278 transitions. [2024-11-19 10:27:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2024-11-19 10:27:24,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:24,956 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 127, 126, 1, 1, 1, 1] [2024-11-19 10:27:24,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:27:25,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:25,157 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 10:27:25,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:25,157 INFO L85 PathProgramCache]: Analyzing trace with hash 555269530, now seen corresponding path program 6 times [2024-11-19 10:27:25,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:25,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517198189] [2024-11-19 10:27:25,158 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:25,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:25,400 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2024-11-19 10:27:25,400 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat