./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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/sqrt1-ll_unwindbound10.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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:05:38,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:05:38,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:05:38,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:05:38,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:05:38,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:05:38,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:05:38,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:05:38,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:05:38,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:05:38,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:05:38,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:05:38,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:05:38,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:05:38,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:05:38,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:05:38,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:05:38,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:05:38,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:05:38,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:05:38,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:05:38,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:05:38,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:05:38,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:05:38,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:05:38,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:05:38,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:05:38,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:05:38,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:05:38,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:05:38,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:05:38,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:05:38,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:05:38,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:05:38,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:05:38,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:05:38,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:05:38,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:05:38,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:05:38,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:05:38,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:05:38,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:05:38,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:05:38,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:05:38,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2024-11-19 11:05:38,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:05:38,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:05:38,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:05:38,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:05:38,537 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:05:38,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-19 11:05:39,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:05:40,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:05:40,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-19 11:05:40,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f380a3a5/48ddba03d2544c57a9e0bd6388fa12c2/FLAG8037cabaf [2024-11-19 11:05:40,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f380a3a5/48ddba03d2544c57a9e0bd6388fa12c2 [2024-11-19 11:05:40,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:05:40,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:05:40,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:05:40,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:05:40,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:05:40,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62006257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40, skipping insertion in model container [2024-11-19 11:05:40,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:05:40,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:05:40,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:05:40,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:05:40,466 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:05:40,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40 WrapperNode [2024-11-19 11:05:40,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:05:40,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:05:40,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:05:40,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:05:40,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,505 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-19 11:05:40,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:05:40,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:05:40,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:05:40,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:05:40,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,529 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 11:05:40,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:05:40,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:05:40,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:05:40,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:05:40,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2024-11-19 11:05:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:05:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:40,585 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 11:05:40,592 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 11:05:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:05:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:05:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:05:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:05:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 11:05:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 11:05:40,683 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:05:40,685 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:05:40,966 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-19 11:05:40,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:05:40,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:05:40,986 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 11:05:40,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:05:40 BoogieIcfgContainer [2024-11-19 11:05:40,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:05:40,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:05:40,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:05:40,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:05:40,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:05:40" (1/3) ... [2024-11-19 11:05:40,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf8dc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:05:40, skipping insertion in model container [2024-11-19 11:05:40,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (2/3) ... [2024-11-19 11:05:40,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf8dc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:05:40, skipping insertion in model container [2024-11-19 11:05:40,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:05:40" (3/3) ... [2024-11-19 11:05:40,998 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2024-11-19 11:05:41,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:05:41,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-19 11:05:41,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:05:41,091 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;@14e3449f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:05:41,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-19 11:05:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 11:05:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 11:05:41,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:41,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 11:05:41,100 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:41,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 928069, now seen corresponding path program 1 times [2024-11-19 11:05:41,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:41,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984374609] [2024-11-19 11:05:41,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:41,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:41,266 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 11:05:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:41,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984374609] [2024-11-19 11:05:41,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984374609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:41,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:41,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:41,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694097372] [2024-11-19 11:05:41,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:41,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 11:05:41,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 11:05:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:05:41,303 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:41,344 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2024-11-19 11:05:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 11:05:41,347 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 11:05:41,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:41,356 INFO L225 Difference]: With dead ends: 243 [2024-11-19 11:05:41,356 INFO L226 Difference]: Without dead ends: 114 [2024-11-19 11:05:41,361 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 11:05:41,364 INFO L432 NwaCegarLoop]: 126 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, 126 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 11:05:41,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:05:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-19 11:05:41,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-19 11:05:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 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 11:05:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2024-11-19 11:05:41,417 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2024-11-19 11:05:41,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:41,418 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2024-11-19 11:05:41,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-19 11:05:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 11:05:41,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:41,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 11:05:41,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 11:05:41,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:41,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-19 11:05:41,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770870755] [2024-11-19 11:05:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:41,575 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 11:05:41,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:41,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770870755] [2024-11-19 11:05:41,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770870755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:41,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:41,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:41,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134488508] [2024-11-19 11:05:41,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:41,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:41,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:41,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:05:41,579 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:41,642 INFO L93 Difference]: Finished difference Result 114 states and 119 transitions. [2024-11-19 11:05:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:05:41,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 11:05:41,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:41,644 INFO L225 Difference]: With dead ends: 114 [2024-11-19 11:05:41,645 INFO L226 Difference]: Without dead ends: 113 [2024-11-19 11:05:41,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:05:41,646 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 223 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 11:05:41,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 223 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:05:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-19 11:05:41,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-19 11:05:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.8) internal successors, (108), 106 states have internal predecessors, (108), 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 11:05:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-11-19 11:05:41,661 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 4 [2024-11-19 11:05:41,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:41,661 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-11-19 11:05:41,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-19 11:05:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 11:05:41,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:41,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 11:05:41,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 11:05:41,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:41,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-19 11:05:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038134813] [2024-11-19 11:05:41,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:41,727 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 11:05:41,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:41,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038134813] [2024-11-19 11:05:41,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038134813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:41,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:41,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:41,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340357464] [2024-11-19 11:05:41,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:41,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:41,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:41,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:41,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:05:41,730 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:41,773 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2024-11-19 11:05:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:05:41,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 11:05:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:41,775 INFO L225 Difference]: With dead ends: 166 [2024-11-19 11:05:41,775 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 11:05:41,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:05:41,777 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:41,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 338 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:05:41,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 11:05:41,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 11:05:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 64 states have (on average 1.75) internal successors, (112), 110 states have internal predecessors, (112), 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 11:05:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-11-19 11:05:41,787 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 5 [2024-11-19 11:05:41,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:41,787 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-11-19 11:05:41,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:05:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-11-19 11:05:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 11:05:41,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:41,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:41,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 11:05:41,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:41,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-19 11:05:41,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:41,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333769394] [2024-11-19 11:05:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:41,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:41,861 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 11:05:41,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:41,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333769394] [2024-11-19 11:05:41,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333769394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:41,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:41,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923665932] [2024-11-19 11:05:41,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:41,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:05:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:05:41,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:05:41,866 INFO L87 Difference]: Start difference. First operand 117 states and 122 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 11:05:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:42,008 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-11-19 11:05:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:05:42,008 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 11:05:42,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:42,011 INFO L225 Difference]: With dead ends: 211 [2024-11-19 11:05:42,014 INFO L226 Difference]: Without dead ends: 191 [2024-11-19 11:05:42,014 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 11:05:42,015 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:42,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 171 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:42,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-19 11:05:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-11-19 11:05:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.606060606060606) internal successors, (159), 145 states have internal predecessors, (159), 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 11:05:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-11-19 11:05:42,035 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 7 [2024-11-19 11:05:42,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:42,035 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-11-19 11:05:42,035 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 11:05:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-11-19 11:05:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 11:05:42,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:42,036 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] [2024-11-19 11:05:42,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 11:05:42,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:42,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash 323965805, now seen corresponding path program 1 times [2024-11-19 11:05:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907991721] [2024-11-19 11:05:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 11:05:42,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628669770] [2024-11-19 11:05:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:42,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:42,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:42,066 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 11:05:42,067 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 11:05:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:42,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 11:05:42,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:05:42,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:05:42,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:42,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907991721] [2024-11-19 11:05:42,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:05:42,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628669770] [2024-11-19 11:05:42,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628669770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:42,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:42,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:42,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507308728] [2024-11-19 11:05:42,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:42,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:05:42,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:42,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:05:42,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:05:42,203 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:42,315 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-11-19 11:05:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:05:42,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-19 11:05:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:42,318 INFO L225 Difference]: With dead ends: 183 [2024-11-19 11:05:42,318 INFO L226 Difference]: Without dead ends: 175 [2024-11-19 11:05:42,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 11:05:42,320 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:42,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-19 11:05:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-11-19 11:05:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 155 states have internal predecessors, (170), 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 11:05:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-19 11:05:42,338 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 28 [2024-11-19 11:05:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:42,338 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-19 11:05:42,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-19 11:05:42,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 11:05:42,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:42,340 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 11:05:42,357 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 11:05:42,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:42,544 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:42,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:42,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1453005437, now seen corresponding path program 1 times [2024-11-19 11:05:42,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:42,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126628597] [2024-11-19 11:05:42,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:42,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:05:42,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:42,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126628597] [2024-11-19 11:05:42,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126628597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:42,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:42,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:42,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754940046] [2024-11-19 11:05:42,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:42,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:05:42,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:42,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:05:42,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:05:42,628 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:42,717 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-19 11:05:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:05:42,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-19 11:05:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:42,719 INFO L225 Difference]: With dead ends: 183 [2024-11-19 11:05:42,719 INFO L226 Difference]: Without dead ends: 173 [2024-11-19 11:05:42,719 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 11:05:42,720 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:42,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-19 11:05:42,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-19 11:05:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4821428571428572) internal successors, (166), 158 states have internal predecessors, (166), 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 11:05:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-11-19 11:05:42,738 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 29 [2024-11-19 11:05:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:42,739 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-11-19 11:05:42,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-11-19 11:05:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 11:05:42,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:42,740 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, 1, 1, 1] [2024-11-19 11:05:42,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 11:05:42,740 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:42,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:42,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1804640113, now seen corresponding path program 1 times [2024-11-19 11:05:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:42,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73712305] [2024-11-19 11:05:42,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:42,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:05:42,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:42,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73712305] [2024-11-19 11:05:42,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73712305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:42,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:05:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137668639] [2024-11-19 11:05:42,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:42,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:42,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:05:42,878 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:43,026 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-19 11:05:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:05:43,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-19 11:05:43,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:43,028 INFO L225 Difference]: With dead ends: 175 [2024-11-19 11:05:43,028 INFO L226 Difference]: Without dead ends: 173 [2024-11-19 11:05:43,028 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 11:05:43,029 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 50 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:43,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 239 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-19 11:05:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-19 11:05:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 158 states have internal predecessors, (164), 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 11:05:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-19 11:05:43,046 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 32 [2024-11-19 11:05:43,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:43,046 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-19 11:05:43,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-19 11:05:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 11:05:43,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:43,047 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:43,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 11:05:43,048 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:43,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:43,050 INFO L85 PathProgramCache]: Analyzing trace with hash -360182923, now seen corresponding path program 1 times [2024-11-19 11:05:43,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:43,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082017297] [2024-11-19 11:05:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:43,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 11:05:43,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:43,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082017297] [2024-11-19 11:05:43,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082017297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:43,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:43,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:05:43,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113570484] [2024-11-19 11:05:43,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:43,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:05:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:05:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:05:43,165 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:43,271 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-11-19 11:05:43,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:05:43,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-19 11:05:43,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:43,273 INFO L225 Difference]: With dead ends: 175 [2024-11-19 11:05:43,274 INFO L226 Difference]: Without dead ends: 147 [2024-11-19 11:05:43,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:05:43,275 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:43,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 162 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:43,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-19 11:05:43,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-19 11:05:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 137 states have internal predecessors, (139), 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 11:05:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-19 11:05:43,285 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 36 [2024-11-19 11:05:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:43,285 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-19 11:05:43,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 11:05:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-19 11:05:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 11:05:43,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:43,289 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:43,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 11:05:43,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:43,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 89880211, now seen corresponding path program 1 times [2024-11-19 11:05:43,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:43,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59926189] [2024-11-19 11:05:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:43,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:43,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:43,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59926189] [2024-11-19 11:05:43,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59926189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:43,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:43,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:05:43,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573538030] [2024-11-19 11:05:43,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:43,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:43,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:43,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:05:43,403 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:43,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:43,522 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-11-19 11:05:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:05:43,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-19 11:05:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:43,524 INFO L225 Difference]: With dead ends: 150 [2024-11-19 11:05:43,524 INFO L226 Difference]: Without dead ends: 149 [2024-11-19 11:05:43,524 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 11:05:43,525 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:43,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 221 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:43,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-19 11:05:43,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-19 11:05:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 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 11:05:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-11-19 11:05:43,535 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 49 [2024-11-19 11:05:43,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:43,535 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-11-19 11:05:43,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-11-19 11:05:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 11:05:43,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:43,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:43,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 11:05:43,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:43,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1508680645, now seen corresponding path program 1 times [2024-11-19 11:05:43,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:43,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194397061] [2024-11-19 11:05:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:43,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:43,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194397061] [2024-11-19 11:05:43,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194397061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:43,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:05:43,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:05:43,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372096053] [2024-11-19 11:05:43,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:43,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:43,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:43,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:43,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:05:43,655 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:43,769 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-19 11:05:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:05:43,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-19 11:05:43,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:43,771 INFO L225 Difference]: With dead ends: 150 [2024-11-19 11:05:43,771 INFO L226 Difference]: Without dead ends: 149 [2024-11-19 11:05:43,771 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 11:05:43,772 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:43,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-19 11:05:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-19 11:05:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 139 states have internal predecessors, (141), 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 11:05:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-11-19 11:05:43,779 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 50 [2024-11-19 11:05:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:43,779 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-11-19 11:05:43,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-11-19 11:05:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 11:05:43,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:43,783 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:43,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 11:05:43,783 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:43,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1727694252, now seen corresponding path program 1 times [2024-11-19 11:05:43,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:43,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471198811] [2024-11-19 11:05:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:43,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:43,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471198811] [2024-11-19 11:05:43,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471198811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:43,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723407452] [2024-11-19 11:05:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:43,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:43,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:43,866 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 11:05:43,867 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 11:05:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:43,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 11:05:43,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:44,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:05:44,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723407452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:44,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:05:44,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 11:05:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978084111] [2024-11-19 11:05:44,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:44,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:05:44,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:05:44,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:05:44,057 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:44,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:44,114 INFO L93 Difference]: Finished difference Result 197 states and 205 transitions. [2024-11-19 11:05:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:05:44,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-19 11:05:44,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:44,117 INFO L225 Difference]: With dead ends: 197 [2024-11-19 11:05:44,117 INFO L226 Difference]: Without dead ends: 196 [2024-11-19 11:05:44,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:05:44,118 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 77 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:44,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:05:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-19 11:05:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-19 11:05:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.528301886792453) internal successors, (162), 152 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 11:05:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2024-11-19 11:05:44,127 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 53 [2024-11-19 11:05:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:44,128 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2024-11-19 11:05:44,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2024-11-19 11:05:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 11:05:44,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:44,129 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:44,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 11:05:44,333 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,SelfDestructingSolverStorable10 [2024-11-19 11:05:44,334 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:44,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:44,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1838165906, now seen corresponding path program 1 times [2024-11-19 11:05:44,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:44,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175098330] [2024-11-19 11:05:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:44,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:44,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175098330] [2024-11-19 11:05:44,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175098330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132971437] [2024-11-19 11:05:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:44,421 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 11:05:44,423 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 11:05:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:44,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 11:05:44,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:44,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:05:44,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132971437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:44,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:05:44,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 11:05:44,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065340932] [2024-11-19 11:05:44,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:44,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:05:44,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:05:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:05:44,540 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:44,629 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2024-11-19 11:05:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:05:44,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-19 11:05:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:44,632 INFO L225 Difference]: With dead ends: 164 [2024-11-19 11:05:44,632 INFO L226 Difference]: Without dead ends: 155 [2024-11-19 11:05:44,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 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 11:05:44,633 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 73 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:44,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 139 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-19 11:05:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-19 11:05:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 143 states have internal predecessors, (149), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 11:05:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2024-11-19 11:05:44,642 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 55 [2024-11-19 11:05:44,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:44,643 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2024-11-19 11:05:44,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 11:05:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2024-11-19 11:05:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 11:05:44,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:44,643 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:44,658 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 11:05:44,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:44,844 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:44,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568188, now seen corresponding path program 1 times [2024-11-19 11:05:44,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:44,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368532249] [2024-11-19 11:05:44,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:44,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:44,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368532249] [2024-11-19 11:05:44,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368532249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:44,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183750666] [2024-11-19 11:05:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:44,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:44,896 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 11:05:44,897 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 11:05:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:44,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 11:05:44,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:45,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:05:45,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183750666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:45,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:45,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 11:05:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414496523] [2024-11-19 11:05:45,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:45,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 11:05:45,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 11:05:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 11:05:45,102 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 11:05:45,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:45,251 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2024-11-19 11:05:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:05:45,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2024-11-19 11:05:45,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:45,253 INFO L225 Difference]: With dead ends: 279 [2024-11-19 11:05:45,253 INFO L226 Difference]: Without dead ends: 270 [2024-11-19 11:05:45,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 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 11:05:45,254 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 188 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:45,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 222 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-19 11:05:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 146. [2024-11-19 11:05:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 134 states have internal predecessors, (136), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 11:05:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-19 11:05:45,263 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 56 [2024-11-19 11:05:45,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:45,264 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-19 11:05:45,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 11:05:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-19 11:05:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 11:05:45,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:45,265 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:45,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 11:05:45,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:45,470 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:45,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:45,470 INFO L85 PathProgramCache]: Analyzing trace with hash -105881028, now seen corresponding path program 1 times [2024-11-19 11:05:45,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993744903] [2024-11-19 11:05:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 11:05:45,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953102278] [2024-11-19 11:05:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:45,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:45,492 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 11:05:45,493 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 11:05:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:45,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 11:05:45,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 11:05:45,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 11:05:45,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:45,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993744903] [2024-11-19 11:05:45,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:05:45,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953102278] [2024-11-19 11:05:45,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953102278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:45,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:05:45,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-19 11:05:45,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908042932] [2024-11-19 11:05:45,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:45,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 11:05:45,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:45,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 11:05:45,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:05:45,755 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 11:05:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:45,952 INFO L93 Difference]: Finished difference Result 370 states and 405 transitions. [2024-11-19 11:05:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:05:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2024-11-19 11:05:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:45,955 INFO L225 Difference]: With dead ends: 370 [2024-11-19 11:05:45,955 INFO L226 Difference]: Without dead ends: 368 [2024-11-19 11:05:45,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 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 11:05:45,956 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 241 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:45,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 343 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:05:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-19 11:05:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2024-11-19 11:05:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 224 states have internal predecessors, (260), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 11:05:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 296 transitions. [2024-11-19 11:05:45,975 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 296 transitions. Word has length 69 [2024-11-19 11:05:45,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:45,976 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 296 transitions. [2024-11-19 11:05:45,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 11:05:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 296 transitions. [2024-11-19 11:05:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-19 11:05:45,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:45,977 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:45,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 11:05:46,181 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,SelfDestructingSolverStorable13 [2024-11-19 11:05:46,182 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1823839910, now seen corresponding path program 1 times [2024-11-19 11:05:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876793695] [2024-11-19 11:05:46,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:46,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 11:05:46,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714216506] [2024-11-19 11:05:46,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:46,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:46,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:46,207 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 11:05:46,210 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 11:05:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:46,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 11:05:46,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:46,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:46,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:46,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876793695] [2024-11-19 11:05:46,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:05:46,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714216506] [2024-11-19 11:05:46,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714216506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:46,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:05:46,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-19 11:05:46,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177773997] [2024-11-19 11:05:46,477 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:46,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 11:05:46,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:46,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 11:05:46,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:05:46,479 INFO L87 Difference]: Start difference. First operand 244 states and 296 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 11:05:46,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:46,725 INFO L93 Difference]: Finished difference Result 332 states and 406 transitions. [2024-11-19 11:05:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:05:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2024-11-19 11:05:46,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:46,727 INFO L225 Difference]: With dead ends: 332 [2024-11-19 11:05:46,727 INFO L226 Difference]: Without dead ends: 324 [2024-11-19 11:05:46,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 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 11:05:46,728 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 224 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:46,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 249 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:05:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-19 11:05:46,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 244. [2024-11-19 11:05:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.24) internal successors, (248), 222 states have internal predecessors, (248), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 11:05:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 288 transitions. [2024-11-19 11:05:46,747 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 288 transitions. Word has length 76 [2024-11-19 11:05:46,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:46,748 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 288 transitions. [2024-11-19 11:05:46,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 11:05:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 288 transitions. [2024-11-19 11:05:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 11:05:46,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:46,749 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:46,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 11:05:46,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 11:05:46,954 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:46,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:46,954 INFO L85 PathProgramCache]: Analyzing trace with hash 704462436, now seen corresponding path program 1 times [2024-11-19 11:05:46,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:46,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933851001] [2024-11-19 11:05:46,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:46,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:47,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:47,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933851001] [2024-11-19 11:05:47,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933851001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880992261] [2024-11-19 11:05:47,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:47,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:47,043 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 11:05:47,044 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 11:05:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:47,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 11:05:47,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:47,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:47,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880992261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:47,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:47,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 11:05:47,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145424937] [2024-11-19 11:05:47,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:47,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:05:47,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:47,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:05:47,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:05:47,368 INFO L87 Difference]: Start difference. First operand 244 states and 288 transitions. Second operand has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-19 11:05:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:47,580 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2024-11-19 11:05:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:05:47,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-19 11:05:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:47,583 INFO L225 Difference]: With dead ends: 244 [2024-11-19 11:05:47,583 INFO L226 Difference]: Without dead ends: 241 [2024-11-19 11:05:47,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 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 11:05:47,584 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 148 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:47,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 232 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:05:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-19 11:05:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-19 11:05:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 11:05:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2024-11-19 11:05:47,598 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 77 [2024-11-19 11:05:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:47,599 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2024-11-19 11:05:47,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-19 11:05:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2024-11-19 11:05:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 11:05:47,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:47,600 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:47,617 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 11:05:47,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:47,805 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:47,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:47,806 INFO L85 PathProgramCache]: Analyzing trace with hash 363499112, now seen corresponding path program 1 times [2024-11-19 11:05:47,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:47,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070235910] [2024-11-19 11:05:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:47,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070235910] [2024-11-19 11:05:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070235910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590663177] [2024-11-19 11:05:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:47,918 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 11:05:47,925 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 11:05:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:47,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 11:05:47,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:48,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:48,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590663177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:48,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:48,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 11:05:48,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943654914] [2024-11-19 11:05:48,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:48,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:05:48,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:48,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:05:48,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:05:48,223 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-19 11:05:48,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:48,458 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2024-11-19 11:05:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:05:48,459 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 78 [2024-11-19 11:05:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:48,461 INFO L225 Difference]: With dead ends: 296 [2024-11-19 11:05:48,461 INFO L226 Difference]: Without dead ends: 287 [2024-11-19 11:05:48,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 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 11:05:48,462 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 99 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:48,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 274 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:05:48,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-19 11:05:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2024-11-19 11:05:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 11:05:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2024-11-19 11:05:48,477 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2024-11-19 11:05:48,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:48,477 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2024-11-19 11:05:48,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-19 11:05:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2024-11-19 11:05:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 11:05:48,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:48,478 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:05:48,495 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 11:05:48,679 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,SelfDestructingSolverStorable16 [2024-11-19 11:05:48,679 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:48,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1430298154, now seen corresponding path program 1 times [2024-11-19 11:05:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139836689] [2024-11-19 11:05:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139836689] [2024-11-19 11:05:48,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139836689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219998639] [2024-11-19 11:05:48,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:48,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:48,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:48,794 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 11:05:48,795 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 11:05:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:48,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:05:48,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 11:05:49,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:05:49,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219998639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:05:49,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:05:49,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 11:05:49,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152830453] [2024-11-19 11:05:49,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:05:49,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 11:05:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:49,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 11:05:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:05:49,067 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 11:05:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:49,215 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2024-11-19 11:05:49,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:05:49,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-19 11:05:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:49,217 INFO L225 Difference]: With dead ends: 253 [2024-11-19 11:05:49,217 INFO L226 Difference]: Without dead ends: 209 [2024-11-19 11:05:49,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 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 11:05:49,218 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 46 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:49,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 197 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-19 11:05:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-19 11:05:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 11:05:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2024-11-19 11:05:49,229 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2024-11-19 11:05:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:49,230 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2024-11-19 11:05:49,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 11:05:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2024-11-19 11:05:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 11:05:49,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:49,231 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-19 11:05:49,248 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 11:05:49,432 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,SelfDestructingSolverStorable17 [2024-11-19 11:05:49,432 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:49,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:49,433 INFO L85 PathProgramCache]: Analyzing trace with hash -659854547, now seen corresponding path program 1 times [2024-11-19 11:05:49,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:49,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177693815] [2024-11-19 11:05:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 11:05:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177693815] [2024-11-19 11:05:49,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177693815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316094275] [2024-11-19 11:05:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:05:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:49,610 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 11:05:49,612 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 11:05:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:05:49,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:05:49,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 11:05:50,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 11:05:50,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316094275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:50,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:50,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-19 11:05:50,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076666705] [2024-11-19 11:05:50,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:50,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:05:50,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:50,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:05:50,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:05:50,296 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-19 11:05:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:50,689 INFO L93 Difference]: Finished difference Result 338 states and 378 transitions. [2024-11-19 11:05:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 11:05:50,690 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 146 [2024-11-19 11:05:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:50,691 INFO L225 Difference]: With dead ends: 338 [2024-11-19 11:05:50,692 INFO L226 Difference]: Without dead ends: 337 [2024-11-19 11:05:50,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 279 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 11:05:50,692 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 183 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:50,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 400 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:05:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-19 11:05:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 299. [2024-11-19 11:05:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 265 states have (on average 1.0641509433962264) internal successors, (282), 271 states have internal predecessors, (282), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 11:05:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2024-11-19 11:05:50,720 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 146 [2024-11-19 11:05:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:50,720 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2024-11-19 11:05:50,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-19 11:05:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2024-11-19 11:05:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 11:05:50,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:50,722 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-19 11:05:50,739 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 11:05:50,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:50,927 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:50,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:50,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1615306330, now seen corresponding path program 2 times [2024-11-19 11:05:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:50,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020091960] [2024-11-19 11:05:50,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:50,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:50,957 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 11:05:51,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:51,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020091960] [2024-11-19 11:05:51,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020091960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:51,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998318143] [2024-11-19 11:05:51,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:51,194 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 11:05:51,195 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 11:05:51,263 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:51,264 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:51,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 11:05:51,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 11:05:51,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 11:05:51,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998318143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:51,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:51,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-19 11:05:51,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741849136] [2024-11-19 11:05:51,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:51,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 11:05:51,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:51,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 11:05:51,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-19 11:05:51,964 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-19 11:05:52,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:52,408 INFO L93 Difference]: Finished difference Result 379 states and 420 transitions. [2024-11-19 11:05:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 11:05:52,409 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 174 [2024-11-19 11:05:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:52,412 INFO L225 Difference]: With dead ends: 379 [2024-11-19 11:05:52,412 INFO L226 Difference]: Without dead ends: 355 [2024-11-19 11:05:52,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:05:52,414 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 299 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:52,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 466 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:05:52,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-19 11:05:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 319. [2024-11-19 11:05:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.0600706713780919) internal successors, (300), 289 states have internal predecessors, (300), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 11:05:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2024-11-19 11:05:52,433 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 174 [2024-11-19 11:05:52,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:52,434 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2024-11-19 11:05:52,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-19 11:05:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2024-11-19 11:05:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-19 11:05:52,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:52,437 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-19 11:05:52,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 11:05:52,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:52,642 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:52,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:52,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1470633713, now seen corresponding path program 2 times [2024-11-19 11:05:52,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:52,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240486196] [2024-11-19 11:05:52,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:52,700 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:52,700 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 11:05:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895386656] [2024-11-19 11:05:52,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:52,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:52,710 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 11:05:52,719 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 11:05:52,797 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:52,797 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:52,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 11:05:52,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 11:05:52,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 11:05:53,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:53,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240486196] [2024-11-19 11:05:53,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:05:53,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895386656] [2024-11-19 11:05:53,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895386656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:53,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:05:53,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-19 11:05:53,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819430762] [2024-11-19 11:05:53,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:53,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:05:53,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:53,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:05:53,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:05:53,316 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-19 11:05:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:53,904 INFO L93 Difference]: Finished difference Result 512 states and 565 transitions. [2024-11-19 11:05:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:05:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2024-11-19 11:05:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:53,907 INFO L225 Difference]: With dead ends: 512 [2024-11-19 11:05:53,907 INFO L226 Difference]: Without dead ends: 510 [2024-11-19 11:05:53,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 414 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 11:05:53,908 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 433 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:53,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 843 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:05:53,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-19 11:05:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 433. [2024-11-19 11:05:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 388 states have (on average 1.059278350515464) internal successors, (411), 394 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 11:05:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 483 transitions. [2024-11-19 11:05:53,931 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 483 transitions. Word has length 213 [2024-11-19 11:05:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:53,932 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 483 transitions. [2024-11-19 11:05:53,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-19 11:05:53,932 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 483 transitions. [2024-11-19 11:05:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-19 11:05:53,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:53,934 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-19 11:05:53,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 11:05:54,134 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,SelfDestructingSolverStorable20 [2024-11-19 11:05:54,135 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:54,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2136990639, now seen corresponding path program 2 times [2024-11-19 11:05:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:54,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195993465] [2024-11-19 11:05:54,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:54,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:54,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:54,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 11:05:54,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374545613] [2024-11-19 11:05:54,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:54,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:54,179 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 11:05:54,181 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 11:05:54,298 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:54,298 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:54,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 11:05:54,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 11:05:54,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 11:05:54,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:54,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195993465] [2024-11-19 11:05:54,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 11:05:54,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374545613] [2024-11-19 11:05:54,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374545613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:54,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:05:54,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-19 11:05:54,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324343040] [2024-11-19 11:05:54,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:54,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:05:54,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:54,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:05:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:05:54,831 INFO L87 Difference]: Start difference. First operand 433 states and 483 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-19 11:05:55,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:55,308 INFO L93 Difference]: Finished difference Result 505 states and 563 transitions. [2024-11-19 11:05:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:05:55,308 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 220 [2024-11-19 11:05:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:55,310 INFO L225 Difference]: With dead ends: 505 [2024-11-19 11:05:55,311 INFO L226 Difference]: Without dead ends: 461 [2024-11-19 11:05:55,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 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 11:05:55,312 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 332 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:55,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 895 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:05:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-19 11:05:55,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 425. [2024-11-19 11:05:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 386 states have internal predecessors, (395), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 11:05:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 467 transitions. [2024-11-19 11:05:55,334 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 467 transitions. Word has length 220 [2024-11-19 11:05:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:55,334 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 467 transitions. [2024-11-19 11:05:55,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-19 11:05:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 467 transitions. [2024-11-19 11:05:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-19 11:05:55,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:55,338 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-19 11:05:55,345 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 11:05:55,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 11:05:55,542 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:55,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1242628369, now seen corresponding path program 2 times [2024-11-19 11:05:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228600200] [2024-11-19 11:05:55,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:55,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:55,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-19 11:05:55,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:55,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228600200] [2024-11-19 11:05:55,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228600200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:55,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281389147] [2024-11-19 11:05:55,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:05:55,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:55,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:55,778 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 11:05:55,780 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 11:05:55,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:05:55,884 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:55,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 11:05:55,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-19 11:05:56,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-19 11:05:56,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281389147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:05:56,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:05:56,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 11:05:56,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208222222] [2024-11-19 11:05:56,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:56,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:05:56,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:56,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:05:56,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:05:56,587 INFO L87 Difference]: Start difference. First operand 425 states and 467 transitions. Second operand has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 11:05:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:56,728 INFO L93 Difference]: Finished difference Result 425 states and 467 transitions. [2024-11-19 11:05:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:05:56,728 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 338 [2024-11-19 11:05:56,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:56,732 INFO L225 Difference]: With dead ends: 425 [2024-11-19 11:05:56,732 INFO L226 Difference]: Without dead ends: 424 [2024-11-19 11:05:56,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-19 11:05:56,733 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 249 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:56,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 173 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:05:56,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-19 11:05:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-19 11:05:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.0289473684210526) internal successors, (391), 385 states have internal predecessors, (391), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 11:05:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2024-11-19 11:05:56,758 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 338 [2024-11-19 11:05:56,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:56,759 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2024-11-19 11:05:56,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 11:05:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2024-11-19 11:05:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-19 11:05:56,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:56,765 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-19 11:05:56,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 11:05:56,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:56,970 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:56,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:56,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1017956802, now seen corresponding path program 3 times [2024-11-19 11:05:56,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:56,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773240634] [2024-11-19 11:05:56,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:05:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:57,004 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 11:05:57,004 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 51 proven. 466 refuted. 0 times theorem prover too weak. 1391 trivial. 0 not checked. [2024-11-19 11:05:57,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:05:57,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773240634] [2024-11-19 11:05:57,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773240634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:57,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21978825] [2024-11-19 11:05:57,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:05:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:05:57,244 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:05:57,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 11:05:57,304 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 11:05:57,304 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:05:57,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 11:05:57,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:05:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-11-19 11:05:57,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:05:58,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21978825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:05:58,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 11:05:58,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 15 [2024-11-19 11:05:58,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446342344] [2024-11-19 11:05:58,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 11:05:58,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 11:05:58,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:05:58,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 11:05:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-11-19 11:05:58,407 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 16 states, 15 states have (on average 9.066666666666666) internal successors, (136), 16 states have internal predecessors, (136), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-19 11:05:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:05:59,093 INFO L93 Difference]: Finished difference Result 424 states and 463 transitions. [2024-11-19 11:05:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 11:05:59,094 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.066666666666666) internal successors, (136), 16 states have internal predecessors, (136), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 366 [2024-11-19 11:05:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:05:59,096 INFO L225 Difference]: With dead ends: 424 [2024-11-19 11:05:59,096 INFO L226 Difference]: Without dead ends: 406 [2024-11-19 11:05:59,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2024-11-19 11:05:59,097 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 388 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:05:59,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 157 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:05:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-19 11:05:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-19 11:05:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 366 states have (on average 1.010928961748634) internal successors, (370), 369 states have internal predecessors, (370), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 11:05:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2024-11-19 11:05:59,131 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 366 [2024-11-19 11:05:59,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:05:59,134 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2024-11-19 11:05:59,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.066666666666666) internal successors, (136), 16 states have internal predecessors, (136), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-19 11:05:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2024-11-19 11:05:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-19 11:05:59,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:05:59,138 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-19 11:05:59,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 11:05:59,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:05:59,343 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:05:59,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:05:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash 971010651, now seen corresponding path program 3 times [2024-11-19 11:05:59,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:05:59,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358640132] [2024-11-19 11:05:59,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:05:59,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:05:59,522 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-19 11:05:59,522 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:06:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1745 proven. 25 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-19 11:06:01,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:06:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358640132] [2024-11-19 11:06:01,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358640132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:06:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652037088] [2024-11-19 11:06:01,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:06:01,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:06:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:06:01,219 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:06:01,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 11:06:01,295 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 11:06:01,295 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:06:01,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 11:06:01,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:06:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-19 11:06:01,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:06:01,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652037088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:06:01,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:06:01,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [30] total 36 [2024-11-19 11:06:01,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584778731] [2024-11-19 11:06:01,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:06:01,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:06:01,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:06:01,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:06:01,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1000, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 11:06:01,624 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 11:06:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:06:02,296 INFO L93 Difference]: Finished difference Result 408 states and 440 transitions. [2024-11-19 11:06:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 11:06:02,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 501 [2024-11-19 11:06:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:06:02,299 INFO L225 Difference]: With dead ends: 408 [2024-11-19 11:06:02,299 INFO L226 Difference]: Without dead ends: 406 [2024-11-19 11:06:02,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=274, Invalid=1208, Unknown=0, NotChecked=0, Total=1482 [2024-11-19 11:06:02,301 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 113 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:06:02,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 87 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:06:02,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-19 11:06:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2024-11-19 11:06:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 11:06:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2024-11-19 11:06:02,349 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 501 [2024-11-19 11:06:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:06:02,349 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2024-11-19 11:06:02,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 11:06:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2024-11-19 11:06:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-19 11:06:02,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:06:02,353 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-19 11:06:02,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 11:06:02,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 11:06:02,557 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-19 11:06:02,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:06:02,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1033368999, now seen corresponding path program 3 times [2024-11-19 11:06:02,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:06:02,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815010439] [2024-11-19 11:06:02,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:06:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:06:02,734 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-19 11:06:02,735 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:06:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1775 proven. 25 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-19 11:06:04,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:06:04,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815010439] [2024-11-19 11:06:04,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815010439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:06:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065749319] [2024-11-19 11:06:04,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:06:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:06:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:06:04,039 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:06:04,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 11:06:04,157 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 11:06:04,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:06:04,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 11:06:04,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:06:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-11-19 11:06:04,731 INFO L311 TraceCheckSpWp]: Computing backward predicates...