./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c --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/nla-digbench-scaling/ps2-ll_valuebound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:59:08,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:59:08,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:59:08,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:59:08,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:59:08,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:59:08,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:59:08,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:59:08,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:59:08,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:59:08,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:59:08,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:59:08,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:59:08,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:59:08,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:59:08,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:59:08,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:59:08,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:59:08,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:59:08,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:59:08,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:59:08,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:59:08,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:59:08,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:59:08,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:59:08,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:59:08,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:59:08,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:59:08,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:59:08,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:59:08,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:59:08,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:59:08,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:59:08,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:59:08,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:59:08,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:59:08,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:59:08,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:59:08,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:59:08,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:59:08,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:59:08,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:59:08,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:59:08,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:59:08,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-11-19 10:59:08,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:59:08,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:59:08,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:59:08,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:59:08,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:59:08,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-19 10:59:10,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:59:10,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:59:10,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-19 10:59:10,303 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5988f29/9bc1dc38993e4996b2f49420e55890cd/FLAGb04d96027 [2024-11-19 10:59:10,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5988f29/9bc1dc38993e4996b2f49420e55890cd [2024-11-19 10:59:10,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:59:10,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:59:10,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:59:10,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:59:10,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:59:10,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272303a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10, skipping insertion in model container [2024-11-19 10:59:10,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:59:10,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:59:10,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:59:10,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:59:10,929 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:59:10,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10 WrapperNode [2024-11-19 10:59:10,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:59:10,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:59:10,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:59:10,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:59:10,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,961 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-19 10:59:10,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:59:10,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:59:10,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:59:10,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:59:10,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,986 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 10:59:10,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:10,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:11,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:59:11,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:59:11,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:59:11,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:59:11,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (1/1) ... [2024-11-19 10:59:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:59:11,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:11,035 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 10:59:11,037 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 10:59:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:59:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:59:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:59:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:59:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:59:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:59:11,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:59:11,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:59:11,374 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-19 10:59:11,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:59:11,393 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:59:11,394 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:59:11,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:59:11 BoogieIcfgContainer [2024-11-19 10:59:11,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:59:11,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:59:11,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:59:11,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:59:11,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:59:10" (1/3) ... [2024-11-19 10:59:11,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464105b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:59:11, skipping insertion in model container [2024-11-19 10:59:11,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:10" (2/3) ... [2024-11-19 10:59:11,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464105b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:59:11, skipping insertion in model container [2024-11-19 10:59:11,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:59:11" (3/3) ... [2024-11-19 10:59:11,406 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound20.c [2024-11-19 10:59:11,421 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:59:11,422 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 10:59:11,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:59:11,498 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;@6d976dde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:59:11,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 10:59:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.75) internal successors, (63), 58 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:59:11,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:11,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:59:11,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:11,512 INFO L85 PathProgramCache]: Analyzing trace with hash 889508879, now seen corresponding path program 1 times [2024-11-19 10:59:11,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:11,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518003439] [2024-11-19 10:59:11,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:11,651 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 10:59:11,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:11,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518003439] [2024-11-19 10:59:11,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518003439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:11,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:11,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:59:11,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711530703] [2024-11-19 10:59:11,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:11,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:59:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:59:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:59:11,674 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.75) internal successors, (63), 58 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 10:59:11,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:11,691 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2024-11-19 10:59:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:59:11,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 10:59:11,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:11,698 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:59:11,698 INFO L226 Difference]: Without dead ends: 53 [2024-11-19 10:59:11,700 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 10:59:11,703 INFO L432 NwaCegarLoop]: 60 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, 60 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 10:59:11,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:59:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-19 10:59:11,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-19 10:59:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 50 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2024-11-19 10:59:11,741 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 6 [2024-11-19 10:59:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:11,742 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2024-11-19 10:59:11,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 10:59:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2024-11-19 10:59:11,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:59:11,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:11,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:11,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:59:11,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:11,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2024-11-19 10:59:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:11,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516306168] [2024-11-19 10:59:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:59:11,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174067513] [2024-11-19 10:59:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:11,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:11,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:11,773 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 10:59:11,775 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 10:59:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:11,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:59:11,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:11,861 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 10:59:11,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:59:11,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516306168] [2024-11-19 10:59:11,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:59:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174067513] [2024-11-19 10:59:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174067513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:11,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:11,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:59:11,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563969696] [2024-11-19 10:59:11,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:11,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:59:11,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:59:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:59:11,866 INFO L87 Difference]: Start difference. First operand 53 states and 53 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 10:59:11,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:11,951 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2024-11-19 10:59:11,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:59:11,951 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 10:59:11,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:11,953 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:59:11,953 INFO L226 Difference]: Without dead ends: 82 [2024-11-19 10:59:11,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:59:11,954 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 25 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:11,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 54 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-19 10:59:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2024-11-19 10:59:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.6170212765957446) internal successors, (76), 66 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-19 10:59:11,967 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 7 [2024-11-19 10:59:11,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:11,967 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-19 10:59:11,968 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 10:59:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-11-19 10:59:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:59:11,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:11,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:11,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:59:12,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:12,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:12,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash 176824808, now seen corresponding path program 1 times [2024-11-19 10:59:12,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:12,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684977379] [2024-11-19 10:59:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:12,242 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 10:59:12,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:12,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684977379] [2024-11-19 10:59:12,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684977379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:12,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:12,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:59:12,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737115330] [2024-11-19 10:59:12,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:12,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:59:12,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:12,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:59:12,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:59:12,245 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 10:59:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:12,333 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2024-11-19 10:59:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:59:12,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 10:59:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:12,335 INFO L225 Difference]: With dead ends: 88 [2024-11-19 10:59:12,335 INFO L226 Difference]: Without dead ends: 80 [2024-11-19 10:59:12,335 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 10:59:12,336 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:12,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 58 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-19 10:59:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2024-11-19 10:59:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.5) internal successors, (78), 71 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2024-11-19 10:59:12,351 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 8 [2024-11-19 10:59:12,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:12,351 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2024-11-19 10:59:12,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 10:59:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2024-11-19 10:59:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:59:12,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:12,352 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:12,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:59:12,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:12,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2136961390, now seen corresponding path program 1 times [2024-11-19 10:59:12,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:12,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24302177] [2024-11-19 10:59:12,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:12,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:12,474 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 10:59:12,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:12,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24302177] [2024-11-19 10:59:12,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24302177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:12,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:12,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:59:12,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768816485] [2024-11-19 10:59:12,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:12,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:59:12,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:12,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:59:12,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:59:12,478 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:59:12,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:12,572 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2024-11-19 10:59:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:59:12,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:59:12,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:12,573 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:59:12,574 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 10:59:12,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:59:12,578 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:12,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 56 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:12,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 10:59:12,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2024-11-19 10:59:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.488888888888889) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2024-11-19 10:59:12,593 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 11 [2024-11-19 10:59:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:12,594 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2024-11-19 10:59:12,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:59:12,594 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2024-11-19 10:59:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:59:12,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:12,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:12,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:59:12,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:12,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:12,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1997929168, now seen corresponding path program 1 times [2024-11-19 10:59:12,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968524918] [2024-11-19 10:59:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:12,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:12,674 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 10:59:12,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968524918] [2024-11-19 10:59:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968524918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:12,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:12,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:59:12,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163450287] [2024-11-19 10:59:12,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:12,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:59:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:12,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:59:12,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:59:12,676 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:12,699 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-11-19 10:59:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:59:12,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-19 10:59:12,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:12,700 INFO L225 Difference]: With dead ends: 70 [2024-11-19 10:59:12,700 INFO L226 Difference]: Without dead ends: 68 [2024-11-19 10:59:12,701 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 10:59:12,702 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:12,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 95 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:59:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-19 10:59:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-19 10:59:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-11-19 10:59:12,708 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 20 [2024-11-19 10:59:12,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:12,709 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-11-19 10:59:12,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-11-19 10:59:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:59:12,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:12,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:12,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:59:12,725 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:12,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1289822892, now seen corresponding path program 1 times [2024-11-19 10:59:12,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:12,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532691054] [2024-11-19 10:59:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:12,861 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 10:59:12,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:12,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532691054] [2024-11-19 10:59:12,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532691054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:12,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:12,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:59:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900384310] [2024-11-19 10:59:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:12,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:59:12,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:59:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:59:12,863 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:12,953 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2024-11-19 10:59:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:59:12,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-19 10:59:12,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:12,955 INFO L225 Difference]: With dead ends: 71 [2024-11-19 10:59:12,955 INFO L226 Difference]: Without dead ends: 70 [2024-11-19 10:59:12,955 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 10:59:12,956 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:12,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-19 10:59:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-19 10:59:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-11-19 10:59:12,964 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-11-19 10:59:12,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:12,965 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-11-19 10:59:12,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-11-19 10:59:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:59:12,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:12,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:12,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:59:12,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:12,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:12,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1329803906, now seen corresponding path program 1 times [2024-11-19 10:59:12,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:12,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277353714] [2024-11-19 10:59:12,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:12,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:13,060 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 10:59:13,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:13,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277353714] [2024-11-19 10:59:13,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277353714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:13,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:59:13,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:59:13,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529609135] [2024-11-19 10:59:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:13,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:59:13,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:13,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:59:13,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:59:13,063 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:13,151 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2024-11-19 10:59:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:59:13,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-19 10:59:13,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:13,154 INFO L225 Difference]: With dead ends: 71 [2024-11-19 10:59:13,154 INFO L226 Difference]: Without dead ends: 70 [2024-11-19 10:59:13,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:59:13,155 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:13,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:13,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-19 10:59:13,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-19 10:59:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.425531914893617) internal successors, (67), 66 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2024-11-19 10:59:13,166 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 25 [2024-11-19 10:59:13,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:13,167 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2024-11-19 10:59:13,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2024-11-19 10:59:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:59:13,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:13,168 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:13,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:59:13,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:13,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash 590222388, now seen corresponding path program 1 times [2024-11-19 10:59:13,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:13,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576943151] [2024-11-19 10:59:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:59:13,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572967489] [2024-11-19 10:59:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:13,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:13,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:13,194 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 10:59:13,196 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 10:59:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:13,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:59:13,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:13,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:13,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:13,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576943151] [2024-11-19 10:59:13,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:59:13,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572967489] [2024-11-19 10:59:13,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572967489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:13,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:59:13,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-19 10:59:13,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86168614] [2024-11-19 10:59:13,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:13,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:59:13,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:13,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:59:13,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:59:13,402 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:13,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:13,550 INFO L93 Difference]: Finished difference Result 136 states and 167 transitions. [2024-11-19 10:59:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:59:13,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-11-19 10:59:13,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:13,551 INFO L225 Difference]: With dead ends: 136 [2024-11-19 10:59:13,552 INFO L226 Difference]: Without dead ends: 132 [2024-11-19 10:59:13,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:59:13,554 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 116 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:13,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 100 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-19 10:59:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 104. [2024-11-19 10:59:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.475609756097561) internal successors, (121), 98 states have internal predecessors, (121), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:59:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 129 transitions. [2024-11-19 10:59:13,566 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 129 transitions. Word has length 28 [2024-11-19 10:59:13,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:13,566 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 129 transitions. [2024-11-19 10:59:13,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2024-11-19 10:59:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:59:13,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:13,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:13,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:59:13,771 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,SelfDestructingSolverStorable7 [2024-11-19 10:59:13,772 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:13,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1117024898, now seen corresponding path program 1 times [2024-11-19 10:59:13,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:13,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040048157] [2024-11-19 10:59:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:13,848 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 10:59:13,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:13,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040048157] [2024-11-19 10:59:13,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040048157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:13,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258369551] [2024-11-19 10:59:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:13,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:13,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:13,851 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 10:59:13,852 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 10:59:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:13,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:59:13,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:14,033 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 10:59:14,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:14,102 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 10:59:14,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258369551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:14,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:14,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:59:14,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741299419] [2024-11-19 10:59:14,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:14,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:59:14,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:59:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:59:14,105 INFO L87 Difference]: Start difference. First operand 104 states and 129 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:59:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:14,229 INFO L93 Difference]: Finished difference Result 104 states and 129 transitions. [2024-11-19 10:59:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:59:14,229 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-11-19 10:59:14,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:14,230 INFO L225 Difference]: With dead ends: 104 [2024-11-19 10:59:14,230 INFO L226 Difference]: Without dead ends: 101 [2024-11-19 10:59:14,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:59:14,231 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 66 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:14,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 69 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:14,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-19 10:59:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-19 10:59:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 95 states have internal predecessors, (114), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:59:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-11-19 10:59:14,243 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 29 [2024-11-19 10:59:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:14,243 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-19 10:59:14,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:59:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-11-19 10:59:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:59:14,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:14,244 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:14,260 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 10:59:14,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:14,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:14,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:14,445 INFO L85 PathProgramCache]: Analyzing trace with hash 268033526, now seen corresponding path program 1 times [2024-11-19 10:59:14,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:14,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179674265] [2024-11-19 10:59:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:14,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:14,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179674265] [2024-11-19 10:59:14,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179674265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:14,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703815075] [2024-11-19 10:59:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:14,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:14,517 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 10:59:14,519 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 10:59:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:14,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:59:14,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:14,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:14,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703815075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:14,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:14,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:59:14,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233831937] [2024-11-19 10:59:14,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:14,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:59:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:14,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:59:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:59:14,718 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:59:14,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:14,852 INFO L93 Difference]: Finished difference Result 113 states and 134 transitions. [2024-11-19 10:59:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:59:14,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2024-11-19 10:59:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:14,853 INFO L225 Difference]: With dead ends: 113 [2024-11-19 10:59:14,853 INFO L226 Difference]: Without dead ends: 106 [2024-11-19 10:59:14,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:59:14,854 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 62 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:14,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 75 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-19 10:59:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2024-11-19 10:59:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 90 states have internal predecessors, (102), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:59:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2024-11-19 10:59:14,866 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 30 [2024-11-19 10:59:14,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:14,866 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2024-11-19 10:59:14,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:59:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2024-11-19 10:59:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:59:14,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:14,867 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:14,883 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 10:59:15,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:15,068 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:15,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash -117817416, now seen corresponding path program 1 times [2024-11-19 10:59:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:15,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791492094] [2024-11-19 10:59:15,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:15,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:15,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791492094] [2024-11-19 10:59:15,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791492094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:15,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649691654] [2024-11-19 10:59:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:15,145 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 10:59:15,147 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 10:59:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:15,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:59:15,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:59:15,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:59:15,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649691654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:15,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:59:15,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 10:59:15,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711088988] [2024-11-19 10:59:15,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:15,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:59:15,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:15,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:59:15,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:59:15,334 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:15,403 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2024-11-19 10:59:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:59:15,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-19 10:59:15,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:15,404 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:59:15,404 INFO L226 Difference]: Without dead ends: 84 [2024-11-19 10:59:15,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:59:15,405 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 27 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:15,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 38 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:15,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-19 10:59:15,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-19 10:59:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.135135135135135) internal successors, (84), 78 states have internal predecessors, (84), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:59:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-11-19 10:59:15,413 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 32 [2024-11-19 10:59:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:15,413 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-11-19 10:59:15,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:59:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-19 10:59:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:59:15,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:15,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:15,430 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 10:59:15,618 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,SelfDestructingSolverStorable10 [2024-11-19 10:59:15,619 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:15,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:15,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1559901290, now seen corresponding path program 1 times [2024-11-19 10:59:15,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:15,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282475434] [2024-11-19 10:59:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:15,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:59:15,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:15,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282475434] [2024-11-19 10:59:15,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282475434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:15,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814892042] [2024-11-19 10:59:15,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:15,695 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 10:59:15,696 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 10:59:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:15,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:59:15,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:59:15,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:59:15,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814892042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:15,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:59:15,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:59:15,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836327568] [2024-11-19 10:59:15,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:15,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:59:15,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:15,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:59:15,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:59:15,776 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:15,792 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2024-11-19 10:59:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:59:15,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-19 10:59:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:15,794 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:59:15,794 INFO L226 Difference]: Without dead ends: 83 [2024-11-19 10:59:15,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:59:15,795 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:15,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 52 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:59:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-19 10:59:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-19 10:59:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 77 states have internal predecessors, (81), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:59:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2024-11-19 10:59:15,802 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 41 [2024-11-19 10:59:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:15,803 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2024-11-19 10:59:15,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2024-11-19 10:59:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:59:15,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:15,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:59:15,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:59:16,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:16,005 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:16,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:16,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1112299808, now seen corresponding path program 1 times [2024-11-19 10:59:16,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:16,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693392856] [2024-11-19 10:59:16,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:16,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:59:16,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:16,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693392856] [2024-11-19 10:59:16,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693392856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:16,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189722420] [2024-11-19 10:59:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:16,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:16,070 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 10:59:16,072 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 10:59:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:16,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:59:16,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:59:16,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:59:16,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189722420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:16,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:16,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:59:16,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025454271] [2024-11-19 10:59:16,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:16,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:59:16,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:16,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:59:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:59:16,218 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:59:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:16,250 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2024-11-19 10:59:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:59:16,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2024-11-19 10:59:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:16,252 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:59:16,252 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:59:16,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:59:16,253 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:16,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 97 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:59:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:59:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-19 10:59:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 83 states have (on average 1.072289156626506) internal successors, (89), 86 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:59:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2024-11-19 10:59:16,259 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 42 [2024-11-19 10:59:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:16,260 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2024-11-19 10:59:16,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:59:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2024-11-19 10:59:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:59:16,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:16,261 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-19 10:59:16,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:59:16,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:16,462 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:16,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:16,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1019318590, now seen corresponding path program 1 times [2024-11-19 10:59:16,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:16,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955598199] [2024-11-19 10:59:16,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955598199] [2024-11-19 10:59:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955598199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662314554] [2024-11-19 10:59:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:59:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:16,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:16,588 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 10:59:16,589 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 10:59:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:59:16,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:59:16,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:16,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:17,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662314554] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:17,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:17,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-19 10:59:17,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402932294] [2024-11-19 10:59:17,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:17,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 10:59:17,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:17,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 10:59:17,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:59:17,036 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:59:17,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:17,312 INFO L93 Difference]: Finished difference Result 134 states and 148 transitions. [2024-11-19 10:59:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:59:17,312 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 67 [2024-11-19 10:59:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:17,314 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:59:17,314 INFO L226 Difference]: Without dead ends: 133 [2024-11-19 10:59:17,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:59:17,315 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:17,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 126 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:59:17,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-19 10:59:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-19 10:59:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 119 states have (on average 1.0924369747899159) internal successors, (130), 122 states have internal predecessors, (130), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:59:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2024-11-19 10:59:17,327 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 67 [2024-11-19 10:59:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2024-11-19 10:59:17,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.052631578947368) internal successors, (153), 20 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:59:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2024-11-19 10:59:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:59:17,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:17,329 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-19 10:59:17,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:59:17,529 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,SelfDestructingSolverStorable13 [2024-11-19 10:59:17,530 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:17,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1863938614, now seen corresponding path program 2 times [2024-11-19 10:59:17,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:17,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549069265] [2024-11-19 10:59:17,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:17,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:17,544 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:59:17,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549069265] [2024-11-19 10:59:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549069265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:17,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196155626] [2024-11-19 10:59:17,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:17,664 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 10:59:17,665 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 10:59:17,708 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:59:17,708 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:17,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:59:17,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:17,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:59:18,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196155626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:18,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:18,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-19 10:59:18,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360223562] [2024-11-19 10:59:18,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:18,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:59:18,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:18,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:59:18,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:59:18,125 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:59:18,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:18,407 INFO L93 Difference]: Finished difference Result 140 states and 151 transitions. [2024-11-19 10:59:18,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:59:18,408 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 72 [2024-11-19 10:59:18,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:18,409 INFO L225 Difference]: With dead ends: 140 [2024-11-19 10:59:18,409 INFO L226 Difference]: Without dead ends: 139 [2024-11-19 10:59:18,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:59:18,410 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 72 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:18,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 105 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:18,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-19 10:59:18,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2024-11-19 10:59:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 124 states have (on average 1.0725806451612903) internal successors, (133), 127 states have internal predecessors, (133), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:59:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 147 transitions. [2024-11-19 10:59:18,417 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 147 transitions. Word has length 72 [2024-11-19 10:59:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:18,417 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 147 transitions. [2024-11-19 10:59:18,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.761904761904762) internal successors, (163), 22 states have internal predecessors, (163), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:59:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2024-11-19 10:59:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-19 10:59:18,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:18,419 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-19 10:59:18,435 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 10:59:18,619 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,SelfDestructingSolverStorable14 [2024-11-19 10:59:18,619 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:18,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash 31037326, now seen corresponding path program 2 times [2024-11-19 10:59:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:18,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40791509] [2024-11-19 10:59:18,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:18,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:18,638 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:59:18,638 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:59:18,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896273127] [2024-11-19 10:59:18,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:18,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:18,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:18,641 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 10:59:18,642 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 10:59:18,697 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:59:18,697 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:18,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:59:18,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:59:18,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:59:19,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40791509] [2024-11-19 10:59:19,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:59:19,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896273127] [2024-11-19 10:59:19,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896273127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:19,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:59:19,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-19 10:59:19,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921844311] [2024-11-19 10:59:19,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:19,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:59:19,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:19,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:59:19,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:59:19,015 INFO L87 Difference]: Start difference. First operand 136 states and 147 transitions. Second operand has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:59:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:19,332 INFO L93 Difference]: Finished difference Result 193 states and 210 transitions. [2024-11-19 10:59:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:59:19,333 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 91 [2024-11-19 10:59:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:19,334 INFO L225 Difference]: With dead ends: 193 [2024-11-19 10:59:19,334 INFO L226 Difference]: Without dead ends: 192 [2024-11-19 10:59:19,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:59:19,335 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 90 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:19,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 269 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:59:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-19 10:59:19,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2024-11-19 10:59:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 170 states have (on average 1.0823529411764705) internal successors, (184), 173 states have internal predecessors, (184), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:59:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 204 transitions. [2024-11-19 10:59:19,344 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 204 transitions. Word has length 91 [2024-11-19 10:59:19,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:19,344 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 204 transitions. [2024-11-19 10:59:19,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.909090909090908) internal successors, (142), 12 states have internal predecessors, (142), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:59:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 204 transitions. [2024-11-19 10:59:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 10:59:19,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:19,345 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-19 10:59:19,362 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 10:59:19,548 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,SelfDestructingSolverStorable15 [2024-11-19 10:59:19,549 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:19,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:19,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2017064698, now seen corresponding path program 2 times [2024-11-19 10:59:19,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:19,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283802930] [2024-11-19 10:59:19,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:19,556 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:59:19,556 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:59:19,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:19,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283802930] [2024-11-19 10:59:19,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283802930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:19,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722760612] [2024-11-19 10:59:19,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:19,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:19,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:19,585 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 10:59:19,586 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 10:59:19,625 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:59:19,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:19,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:59:19,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:59:19,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:59:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 10:59:19,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722760612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:59:19,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:59:19,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:59:19,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039262396] [2024-11-19 10:59:19,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:59:19,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:59:19,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:19,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:59:19,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:59:19,841 INFO L87 Difference]: Start difference. First operand 185 states and 204 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:19,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:19,865 INFO L93 Difference]: Finished difference Result 185 states and 204 transitions. [2024-11-19 10:59:19,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:59:19,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-19 10:59:19,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:19,867 INFO L225 Difference]: With dead ends: 185 [2024-11-19 10:59:19,867 INFO L226 Difference]: Without dead ends: 184 [2024-11-19 10:59:19,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:59:19,868 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 31 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:19,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:59:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-19 10:59:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-19 10:59:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 170 states have (on average 1.0470588235294118) internal successors, (178), 172 states have internal predecessors, (178), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:59:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 198 transitions. [2024-11-19 10:59:19,877 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 198 transitions. Word has length 105 [2024-11-19 10:59:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:19,878 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 198 transitions. [2024-11-19 10:59:19,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 198 transitions. [2024-11-19 10:59:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 10:59:19,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:19,879 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-19 10:59:19,895 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 10:59:20,080 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,SelfDestructingSolverStorable16 [2024-11-19 10:59:20,080 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:20,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1762326338, now seen corresponding path program 2 times [2024-11-19 10:59:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:20,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955648404] [2024-11-19 10:59:20,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:20,105 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:59:20,105 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:59:20,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:20,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955648404] [2024-11-19 10:59:20,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955648404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:20,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560418692] [2024-11-19 10:59:20,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:59:20,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:20,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:20,463 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 10:59:20,464 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 10:59:20,508 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:59:20,508 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:20,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:59:20,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 10:59:20,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:59:20,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560418692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:59:20,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:59:20,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-19 10:59:20,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486710286] [2024-11-19 10:59:20,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:59:20,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:59:20,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:59:20,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:59:20,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:59:20,691 INFO L87 Difference]: Start difference. First operand 184 states and 198 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:20,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:59:20,787 INFO L93 Difference]: Finished difference Result 186 states and 200 transitions. [2024-11-19 10:59:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:59:20,787 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 151 [2024-11-19 10:59:20,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:59:20,789 INFO L225 Difference]: With dead ends: 186 [2024-11-19 10:59:20,789 INFO L226 Difference]: Without dead ends: 185 [2024-11-19 10:59:20,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:59:20,789 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:59:20,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 46 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:59:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-19 10:59:20,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2024-11-19 10:59:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 170 states have (on average 1.0235294117647058) internal successors, (174), 171 states have internal predecessors, (174), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:59:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 194 transitions. [2024-11-19 10:59:20,802 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 194 transitions. Word has length 151 [2024-11-19 10:59:20,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:59:20,802 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 194 transitions. [2024-11-19 10:59:20,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:59:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 194 transitions. [2024-11-19 10:59:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 10:59:20,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:59:20,806 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-19 10:59:20,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 10:59:21,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:59:21,008 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:59:21,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:59:21,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1743039158, now seen corresponding path program 3 times [2024-11-19 10:59:21,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:59:21,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698467788] [2024-11-19 10:59:21,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:59:21,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:59:21,053 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:59:21,053 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:59:21,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:59:21,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698467788] [2024-11-19 10:59:21,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698467788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:59:21,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514973287] [2024-11-19 10:59:21,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:59:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:59:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:59:21,403 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 10:59:21,404 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 10:59:21,449 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:59:21,449 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:59:21,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:59:21,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:59:46,858 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-19 10:59:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 2 not checked. [2024-11-19 10:59:50,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:00:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-19 11:00:03,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514973287] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 11:00:03,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:00:03,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 8] total 28 [2024-11-19 11:00:03,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139441874] [2024-11-19 11:00:03,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:00:03,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:00:03,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:00:03,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:00:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=605, Unknown=2, NotChecked=52, Total=812 [2024-11-19 11:00:03,387 INFO L87 Difference]: Start difference. First operand 183 states and 194 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:00:03,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:00:03,724 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2024-11-19 11:00:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 11:00:03,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 156 [2024-11-19 11:00:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:00:03,726 INFO L225 Difference]: With dead ends: 183 [2024-11-19 11:00:03,726 INFO L226 Difference]: Without dead ends: 182 [2024-11-19 11:00:03,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=184, Invalid=748, Unknown=2, NotChecked=58, Total=992 [2024-11-19 11:00:03,727 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 45 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:00:03,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:00:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-19 11:00:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-19 11:00:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 170 states have (on average 1.0058823529411764) internal successors, (171), 170 states have internal predecessors, (171), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 11:00:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 191 transitions. [2024-11-19 11:00:03,739 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 191 transitions. Word has length 156 [2024-11-19 11:00:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:00:03,740 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 191 transitions. [2024-11-19 11:00:03,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:00:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 191 transitions. [2024-11-19 11:00:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-19 11:00:03,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:00:03,742 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-19 11:00:03,760 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 11:00:03,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:00:03,943 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 11:00:03,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:00:03,943 INFO L85 PathProgramCache]: Analyzing trace with hash 32899790, now seen corresponding path program 3 times [2024-11-19 11:00:03,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:00:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759732356] [2024-11-19 11:00:03,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:00:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:00:04,004 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:00:04,004 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 11:00:04,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786353976] [2024-11-19 11:00:04,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:00:04,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:00:04,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:00:04,008 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 11:00:04,009 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 11:00:04,142 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:00:04,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:00:04,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 11:00:04,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:00:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 11:00:04,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:00:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 11:00:06,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:00:06,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759732356] [2024-11-19 11:00:06,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:00:06,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786353976] [2024-11-19 11:00:06,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786353976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:00:06,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:00:06,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-19 11:00:06,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629389682] [2024-11-19 11:00:06,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:00:06,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 11:00:06,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:00:06,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 11:00:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-19 11:00:06,091 INFO L87 Difference]: Start difference. First operand 182 states and 191 transitions. Second operand has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 11:00:08,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:00:08,343 INFO L93 Difference]: Finished difference Result 387 states and 419 transitions. [2024-11-19 11:00:08,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 11:00:08,343 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 217 [2024-11-19 11:00:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:00:08,345 INFO L225 Difference]: With dead ends: 387 [2024-11-19 11:00:08,345 INFO L226 Difference]: Without dead ends: 386 [2024-11-19 11:00:08,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 11:00:08,347 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 145 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:00:08,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 993 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 11:00:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-19 11:00:08,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-19 11:00:08,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 362 states have (on average 1.0027624309392265) internal successors, (363), 362 states have internal predecessors, (363), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 11:00:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 407 transitions. [2024-11-19 11:00:08,364 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 407 transitions. Word has length 217 [2024-11-19 11:00:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:00:08,364 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 407 transitions. [2024-11-19 11:00:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.521739130434783) internal successors, (334), 24 states have internal predecessors, (334), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 11:00:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 407 transitions. [2024-11-19 11:00:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-19 11:00:08,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:00:08,372 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-19 11:00:08,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 11:00:08,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:00:08,577 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 11:00:08,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:00:08,577 INFO L85 PathProgramCache]: Analyzing trace with hash 493635918, now seen corresponding path program 4 times [2024-11-19 11:00:08,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:00:08,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567756620] [2024-11-19 11:00:08,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:00:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:00:08,692 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:00:08,692 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:00:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3993 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-19 11:00:10,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:00:10,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567756620] [2024-11-19 11:00:10,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567756620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:00:10,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:00:10,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2024-11-19 11:00:10,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236028637] [2024-11-19 11:00:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:00:10,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-19 11:00:10,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:00:10,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-19 11:00:10,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=369, Unknown=0, NotChecked=0, Total=650 [2024-11-19 11:00:10,498 INFO L87 Difference]: Start difference. First operand 386 states and 407 transitions. Second operand has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 11:00:11,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:00:11,338 INFO L93 Difference]: Finished difference Result 390 states and 410 transitions. [2024-11-19 11:00:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 11:00:11,338 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 469 [2024-11-19 11:00:11,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:00:11,340 INFO L225 Difference]: With dead ends: 390 [2024-11-19 11:00:11,340 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:00:11,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=806, Invalid=1356, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 11:00:11,342 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 34 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:00:11,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1150 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:00:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:00:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:00:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:00:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:00:11,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 469 [2024-11-19 11:00:11,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:00:11,344 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:00:11,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.923076923076923) internal successors, (362), 26 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 11:00:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:00:11,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:00:11,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-19 11:00:11,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-19 11:00:11,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-19 11:00:11,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-19 11:00:11,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-19 11:00:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-19 11:00:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-19 11:00:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-19 11:00:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-19 11:00:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-19 11:00:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-19 11:00:11,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 11:00:11,367 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:00:11,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:00:13,724 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:00:13,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:00:13 BoogieIcfgContainer [2024-11-19 11:00:13,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:00:13,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:00:13,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:00:13,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:00:13,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:59:11" (3/4) ... [2024-11-19 11:00:13,780 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:00:13,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-19 11:00:13,789 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-19 11:00:13,789 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:00:13,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:00:13,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:00:13,895 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:00:13,896 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:00:13,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:00:13,897 INFO L158 Benchmark]: Toolchain (without parser) took 63207.27ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 100.3MB in the beginning and 151.1MB in the end (delta: -50.8MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,897 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 96.5MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:00:13,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.29ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 88.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,898 INFO L158 Benchmark]: Boogie Preprocessor took 37.04ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,898 INFO L158 Benchmark]: RCFGBuilder took 393.91ms. Allocated memory is still 153.1MB. Free memory was 84.5MB in the beginning and 115.5MB in the end (delta: -31.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,898 INFO L158 Benchmark]: TraceAbstraction took 62377.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 114.6MB in the beginning and 49.2MB in the end (delta: 65.4MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,898 INFO L158 Benchmark]: Witness Printer took 120.85ms. Allocated memory is still 184.5MB. Free memory was 49.2MB in the beginning and 151.1MB in the end (delta: -101.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:00:13,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 96.5MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.29ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 88.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.04ms. Allocated memory is still 153.1MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.91ms. Allocated memory is still 153.1MB. Free memory was 84.5MB in the beginning and 115.5MB in the end (delta: -31.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 62377.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 114.6MB in the beginning and 49.2MB in the end (delta: 65.4MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. * Witness Printer took 120.85ms. Allocated memory is still 184.5MB. Free memory was 49.2MB in the beginning and 151.1MB in the end (delta: -101.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 59.9s, OverallIterations: 21, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 819 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 806 mSDsluCounter, 3682 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2695 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3460 IncrementalHoareTripleChecker+Invalid, 3567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 987 mSDtfsCounter, 3460 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2049 GetRequests, 1801 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 25.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=20, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 76 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 49.7s InterpolantComputationTime, 2699 NumberOfCodeBlocks, 2279 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3152 ConstructedInterpolants, 4 QuantifiedInterpolants, 12787 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1440 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 41 InterpolantComputations, 12 PerfectInterpolantSequences, 7553/10588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((k <= ((__int128) c + 11)) && (c <= 9223372036854775806)) && (1 <= c)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903)) && (k <= 20)) || (((((((c <= 9223372036854775806) && (1 <= c)) && (k <= ((__int128) c + 17))) && (3 == y)) && (x <= 6)) && (3 <= x)) && (k <= 20))) || (((((((c <= 9223372036854775806) && (7 <= x)) && (7 == y)) && (1 <= c)) && (k <= ((__int128) c + 13))) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && ((((__int128) 6 * y) + ((__int128) y * y)) <= 9223372036854775798)) && (y <= x)) && (k <= ((__int128) 2 + c))) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && (k <= ((__int128) 7 + c))) && (x <= 4611686018427387903)) && ((((__int128) 16 * y) + ((__int128) y * y)) <= 9223372036854775743)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (k <= ((__int128) c + 1))) && (1 <= y)) && (1 <= c)) && (y <= x)) && ((((__int128) y * 4) + ((__int128) y * y)) <= 9223372036854775803)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && ((((__int128) 2 * y) + ((__int128) y * y)) <= 9223372036854775806)) && (k <= c)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((y == 4) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= ((__int128) 16 + c))) && (x <= 4611686018427387892)) && (4 <= x)) && (k <= 20))) || ((((c == 1) && (x == 1)) && (y == 1)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && ((((__int128) y * 20) + ((__int128) y * y)) <= 9223372036854775707)) && (k <= ((__int128) 9 + c))) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((((((__int128) y * 10) + ((__int128) y * y)) <= 9223372036854775782) && (c <= 9223372036854775806)) && (1 <= y)) && (k <= ((__int128) c + 4))) && (1 <= c)) && (y <= x)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((5 <= x) && (5 == y)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= ((__int128) c + 15))) && (x <= 4611686018427387897)) && (k <= 20))) || (((((((c <= 9223372036854775806) && (k <= ((__int128) c + 10))) && (1 <= c)) && (y == 10)) && (x <= 4611686018427387903)) && (10 <= x)) && (k <= 20))) || (((((((8 <= x) && (c <= 9223372036854775806)) && (k <= ((__int128) c + 12))) && (1 <= c)) && (y == 8)) && (x <= 4611686018427387903)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && ((((__int128) y * 18) + ((__int128) y * y)) <= 9223372036854775726)) && (1 <= c)) && (y <= x)) && (k <= ((__int128) c + 8))) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((6 == y) && (6 <= x)) && (c <= 9223372036854775806)) && (1 <= c)) && (x <= 4611686018427387903)) && (k <= ((__int128) 14 + c))) && (k <= 20))) || ((((c == 0) && (y == 0)) && (x == 0)) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && (k <= ((__int128) 5 + c))) && ((((__int128) y * 12) + ((__int128) y * y)) <= 9223372036854775771)) && (x <= 4611686018427387903)) && (k <= 20))) || (((((((2 <= x) && (1 <= c)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805)) && (k <= ((__int128) c + 18))) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && ((((__int128) y * 8) + ((__int128) y * y)) <= 9223372036854775791)) && (x <= 4611686018427387903)) && (k <= ((__int128) 3 + c))) && (k <= 20))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (1 <= c)) && (y <= x)) && ((((__int128) 14 * y) + ((__int128) y * y)) <= 9223372036854775758)) && (k <= ((__int128) 6 + c))) && (x <= 4611686018427387903)) && (k <= 20))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-19 11:00:14,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE