./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/recursive/Addition01-2.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 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:11:15,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:11:15,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:11:15,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:11:15,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:11:15,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:11:15,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:11:15,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:11:15,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:11:15,289 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:11:15,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:11:15,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:11:15,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:11:15,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:11:15,292 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:11:15,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:11:15,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:11:15,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:11:15,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:11:15,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:11:15,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:11:15,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:11:15,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:11:15,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:11:15,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:11:15,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:11:15,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:11:15,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:11:15,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:11:15,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:11:15,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:11:15,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:11:15,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:11:15,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:11:15,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:11:15,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:11:15,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:11:15,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:11:15,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:11:15,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 [2024-11-09 12:11:15,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:11:15,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:11:15,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:11:15,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:11:15,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:11:15,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2024-11-09 12:11:17,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:11:17,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:11:17,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2024-11-09 12:11:17,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdef02859/7d6f3135b54e4c0e8cde2a111631feb3/FLAG60f95265f [2024-11-09 12:11:17,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdef02859/7d6f3135b54e4c0e8cde2a111631feb3 [2024-11-09 12:11:17,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:11:17,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:11:17,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:17,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:11:17,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:11:17,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77baf9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17, skipping insertion in model container [2024-11-09 12:11:17,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:11:17,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:17,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:11:17,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:17,422 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:11:17,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17 WrapperNode [2024-11-09 12:11:17,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:17,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:17,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:11:17,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:11:17,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,496 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 12:11:17,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:17,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:11:17,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:11:17,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:11:17,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,556 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]. [2024-11-09 12:11:17,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:11:17,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:11:17,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:11:17,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:11:17,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (1/1) ... [2024-11-09 12:11:17,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:11:17,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:17,602 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) [2024-11-09 12:11:17,605 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 [2024-11-09 12:11:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:11:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:11:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:11:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:11:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-09 12:11:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-09 12:11:17,696 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:11:17,698 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:11:17,844 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 12:11:17,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:11:17,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:11:17,864 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 12:11:17,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:17 BoogieIcfgContainer [2024-11-09 12:11:17,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:11:17,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:11:17,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:11:17,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:11:17,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:11:17" (1/3) ... [2024-11-09 12:11:17,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cf10d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:17, skipping insertion in model container [2024-11-09 12:11:17,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:17" (2/3) ... [2024-11-09 12:11:17,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cf10d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:17, skipping insertion in model container [2024-11-09 12:11:17,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:17" (3/3) ... [2024-11-09 12:11:17,874 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition01-2.c [2024-11-09 12:11:17,892 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:11:17,892 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 12:11:17,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:11:17,970 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;@74eab2b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:11:17,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 12:11:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 37 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:11:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:11:17,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:17,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:17,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:17,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1316235390, now seen corresponding path program 1 times [2024-11-09 12:11:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827190597] [2024-11-09 12:11:18,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:18,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827190597] [2024-11-09 12:11:18,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827190597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:18,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:18,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:18,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273186303] [2024-11-09 12:11:18,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:18,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:18,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:18,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:18,285 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 37 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:18,413 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2024-11-09 12:11:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 12:11:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:18,424 INFO L225 Difference]: With dead ends: 74 [2024-11-09 12:11:18,424 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 12:11:18,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:18,431 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:18,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:18,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 12:11:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2024-11-09 12:11:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 46 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:11:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2024-11-09 12:11:18,465 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 9 [2024-11-09 12:11:18,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:18,465 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2024-11-09 12:11:18,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-11-09 12:11:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:11:18,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:18,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:18,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:11:18,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:18,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2146375798, now seen corresponding path program 1 times [2024-11-09 12:11:18,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388441753] [2024-11-09 12:11:18,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:18,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388441753] [2024-11-09 12:11:18,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388441753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:18,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:18,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:18,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369522078] [2024-11-09 12:11:18,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:18,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:18,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:18,588 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:18,683 INFO L93 Difference]: Finished difference Result 102 states and 131 transitions. [2024-11-09 12:11:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:11:18,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 12:11:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:18,686 INFO L225 Difference]: With dead ends: 102 [2024-11-09 12:11:18,686 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 12:11:18,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:18,687 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 43 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:18,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 106 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:18,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 12:11:18,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-11-09 12:11:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 76 states have internal predecessors, (104), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:11:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2024-11-09 12:11:18,712 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 10 [2024-11-09 12:11:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:18,713 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2024-11-09 12:11:18,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2024-11-09 12:11:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:11:18,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:18,714 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:18,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:11:18,714 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:18,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:18,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2113265089, now seen corresponding path program 1 times [2024-11-09 12:11:18,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503984216] [2024-11-09 12:11:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:11:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:18,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503984216] [2024-11-09 12:11:18,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503984216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:18,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:18,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:11:18,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244186470] [2024-11-09 12:11:18,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:18,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:18,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:18,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:18,790 INFO L87 Difference]: Start difference. First operand 90 states and 122 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:11:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:18,818 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-09 12:11:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:18,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 12:11:18,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:18,819 INFO L225 Difference]: With dead ends: 90 [2024-11-09 12:11:18,820 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 12:11:18,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:18,821 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:18,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 101 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:18,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 12:11:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 12:11:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.537313432835821) internal successors, (103), 75 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:11:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2024-11-09 12:11:18,834 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 11 [2024-11-09 12:11:18,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:18,834 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2024-11-09 12:11:18,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:11:18,835 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-09 12:11:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:11:18,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:18,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:18,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:11:18,836 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:18,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2113140224, now seen corresponding path program 1 times [2024-11-09 12:11:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589694034] [2024-11-09 12:11:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:18,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589694034] [2024-11-09 12:11:18,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589694034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:18,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:18,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:18,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272768866] [2024-11-09 12:11:18,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:18,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:18,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:18,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:18,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:18,877 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:18,899 INFO L93 Difference]: Finished difference Result 97 states and 134 transitions. [2024-11-09 12:11:18,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:18,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 12:11:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:18,903 INFO L225 Difference]: With dead ends: 97 [2024-11-09 12:11:18,903 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 12:11:18,904 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 [2024-11-09 12:11:18,905 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:18,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 59 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:18,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 12:11:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2024-11-09 12:11:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 74 states have internal predecessors, (99), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:11:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2024-11-09 12:11:18,917 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 11 [2024-11-09 12:11:18,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:18,917 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2024-11-09 12:11:18,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2024-11-09 12:11:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:11:18,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:18,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:18,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:11:18,919 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:18,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1086708271, now seen corresponding path program 1 times [2024-11-09 12:11:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525243996] [2024-11-09 12:11:18,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:11:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525243996] [2024-11-09 12:11:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525243996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:18,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:18,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:11:18,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570395398] [2024-11-09 12:11:18,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:18,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:18,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:18,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:18,997 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:11:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:19,023 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2024-11-09 12:11:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:19,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 12:11:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:19,024 INFO L225 Difference]: With dead ends: 88 [2024-11-09 12:11:19,024 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 12:11:19,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:19,026 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:19,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:19,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 12:11:19,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2024-11-09 12:11:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 49 states have internal predecessors, (59), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2024-11-09 12:11:19,032 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 12 [2024-11-09 12:11:19,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:19,033 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2024-11-09 12:11:19,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:11:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2024-11-09 12:11:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:11:19,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:19,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:19,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:11:19,034 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:19,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1072309289, now seen corresponding path program 1 times [2024-11-09 12:11:19,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:19,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781708782] [2024-11-09 12:11:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:19,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:19,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:19,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781708782] [2024-11-09 12:11:19,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781708782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:19,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:19,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:19,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269665976] [2024-11-09 12:11:19,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:19,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:19,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:19,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:19,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:19,081 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:19,130 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2024-11-09 12:11:19,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:19,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 12:11:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:19,131 INFO L225 Difference]: With dead ends: 79 [2024-11-09 12:11:19,131 INFO L226 Difference]: Without dead ends: 45 [2024-11-09 12:11:19,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:19,136 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:19,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 66 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-09 12:11:19,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2024-11-09 12:11:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 37 states have internal predecessors, (41), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-11-09 12:11:19,145 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 12 [2024-11-09 12:11:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:19,146 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-09 12:11:19,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2024-11-09 12:11:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:11:19,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:19,146 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:19,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:11:19,147 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:19,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:19,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1082837428, now seen corresponding path program 1 times [2024-11-09 12:11:19,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:19,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191751045] [2024-11-09 12:11:19,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:19,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:19,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191751045] [2024-11-09 12:11:19,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191751045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:19,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:19,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746681561] [2024-11-09 12:11:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:19,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:19,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:19,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:19,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:19,225 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:19,285 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2024-11-09 12:11:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:19,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 12:11:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:19,286 INFO L225 Difference]: With dead ends: 49 [2024-11-09 12:11:19,287 INFO L226 Difference]: Without dead ends: 47 [2024-11-09 12:11:19,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:19,288 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:19,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 54 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:19,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-09 12:11:19,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2024-11-09 12:11:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.3) internal successors, (39), 36 states have internal predecessors, (39), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-11-09 12:11:19,293 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 12 [2024-11-09 12:11:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:19,296 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-11-09 12:11:19,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2024-11-09 12:11:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 12:11:19,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:19,297 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:19,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:11:19,297 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2121363603, now seen corresponding path program 1 times [2024-11-09 12:11:19,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:19,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325010134] [2024-11-09 12:11:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325010134] [2024-11-09 12:11:19,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325010134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468052058] [2024-11-09 12:11:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:19,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:19,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:19,405 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) [2024-11-09 12:11:19,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:11:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:19,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:11:19,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:19,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:19,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468052058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:19,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 12:11:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814149103] [2024-11-09 12:11:19,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:19,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:11:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:11:19,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:11:19,574 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:19,717 INFO L93 Difference]: Finished difference Result 147 states and 166 transitions. [2024-11-09 12:11:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:11:19,718 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-09 12:11:19,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:19,719 INFO L225 Difference]: With dead ends: 147 [2024-11-09 12:11:19,719 INFO L226 Difference]: Without dead ends: 145 [2024-11-09 12:11:19,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:11:19,721 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 137 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:19,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 173 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-09 12:11:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 109. [2024-11-09 12:11:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 98 states have internal predecessors, (118), 12 states have call successors, (12), 10 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2024-11-09 12:11:19,736 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 18 [2024-11-09 12:11:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:19,737 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2024-11-09 12:11:19,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-11-09 12:11:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 12:11:19,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:19,738 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:19,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:11:19,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:19,943 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:19,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1489573626, now seen corresponding path program 1 times [2024-11-09 12:11:19,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:19,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594987899] [2024-11-09 12:11:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:20,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:20,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594987899] [2024-11-09 12:11:20,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594987899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:20,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:11:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311667299] [2024-11-09 12:11:20,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:20,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:11:20,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:11:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:20,011 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:20,051 INFO L93 Difference]: Finished difference Result 110 states and 130 transitions. [2024-11-09 12:11:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:20,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 12:11:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:20,052 INFO L225 Difference]: With dead ends: 110 [2024-11-09 12:11:20,053 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 12:11:20,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:11:20,056 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:20,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 29 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:20,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 12:11:20,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 12:11:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-11-09 12:11:20,065 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 20 [2024-11-09 12:11:20,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:20,065 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2024-11-09 12:11:20,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-11-09 12:11:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 12:11:20,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:20,067 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:20,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:11:20,067 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:20,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash -459270890, now seen corresponding path program 2 times [2024-11-09 12:11:20,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:20,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081612650] [2024-11-09 12:11:20,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:20,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:20,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081612650] [2024-11-09 12:11:20,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081612650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894500881] [2024-11-09 12:11:20,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:20,343 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) [2024-11-09 12:11:20,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:11:20,392 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:20,392 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:20,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:11:20,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:20,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:20,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894500881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:20,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:20,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-09 12:11:20,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749262905] [2024-11-09 12:11:20,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:20,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:11:20,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:20,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:11:20,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:11:20,728 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:20,968 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2024-11-09 12:11:20,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 12:11:20,969 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-09 12:11:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:20,970 INFO L225 Difference]: With dead ends: 95 [2024-11-09 12:11:20,970 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 12:11:20,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 12:11:20,971 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 155 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:20,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 130 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:20,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 12:11:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2024-11-09 12:11:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2024-11-09 12:11:20,982 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 42 [2024-11-09 12:11:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:20,982 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2024-11-09 12:11:20,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2024-11-09 12:11:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 12:11:20,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:20,985 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:21,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:11:21,189 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,SelfDestructingSolverStorable9 [2024-11-09 12:11:21,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:21,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:21,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1937793176, now seen corresponding path program 3 times [2024-11-09 12:11:21,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:21,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691631779] [2024-11-09 12:11:21,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:21,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691631779] [2024-11-09 12:11:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691631779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456008366] [2024-11-09 12:11:21,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:11:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:21,712 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) [2024-11-09 12:11:21,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:11:21,770 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 12:11:21,770 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:21,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 12:11:21,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:21,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:22,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456008366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:22,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:22,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-09 12:11:22,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480329877] [2024-11-09 12:11:22,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:22,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-09 12:11:22,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:22,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-09 12:11:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 12:11:22,517 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:23,111 INFO L93 Difference]: Finished difference Result 191 states and 202 transitions. [2024-11-09 12:11:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 12:11:23,112 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-09 12:11:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:23,114 INFO L225 Difference]: With dead ends: 191 [2024-11-09 12:11:23,114 INFO L226 Difference]: Without dead ends: 190 [2024-11-09 12:11:23,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-09 12:11:23,116 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 407 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:23,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 239 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-09 12:11:23,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2024-11-09 12:11:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 163 states have (on average 1.0061349693251533) internal successors, (164), 163 states have internal predecessors, (164), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2024-11-09 12:11:23,129 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 90 [2024-11-09 12:11:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:23,130 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2024-11-09 12:11:23,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2024-11-09 12:11:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 12:11:23,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:23,133 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:23,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:11:23,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:23,338 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:23,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:23,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1611444236, now seen corresponding path program 4 times [2024-11-09 12:11:23,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:23,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986007685] [2024-11-09 12:11:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:23,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:25,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:25,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986007685] [2024-11-09 12:11:25,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986007685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:25,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364000577] [2024-11-09 12:11:25,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:11:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:25,318 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) [2024-11-09 12:11:25,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:11:25,406 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:11:25,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:25,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 12:11:25,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:25,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:27,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364000577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:27,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:27,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-09 12:11:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949126220] [2024-11-09 12:11:27,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:27,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-09 12:11:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:27,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-09 12:11:27,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 12:11:27,750 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:30,317 INFO L93 Difference]: Finished difference Result 383 states and 406 transitions. [2024-11-09 12:11:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-09 12:11:30,318 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2024-11-09 12:11:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:30,324 INFO L225 Difference]: With dead ends: 383 [2024-11-09 12:11:30,324 INFO L226 Difference]: Without dead ends: 382 [2024-11-09 12:11:30,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-11-09 12:11:30,330 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 932 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:30,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 458 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:11:30,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-09 12:11:30,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 379. [2024-11-09 12:11:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 331 states have (on average 1.0030211480362539) internal successors, (332), 331 states have internal predecessors, (332), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2024-11-09 12:11:30,360 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 186 [2024-11-09 12:11:30,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:30,361 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2024-11-09 12:11:30,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2024-11-09 12:11:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-09 12:11:30,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:30,378 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:30,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:11:30,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:30,583 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:30,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash 624869716, now seen corresponding path program 5 times [2024-11-09 12:11:30,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:30,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571091994] [2024-11-09 12:11:30,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:35,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:35,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571091994] [2024-11-09 12:11:35,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571091994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:35,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923710278] [2024-11-09 12:11:35,721 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 12:11:35,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:35,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:35,723 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) [2024-11-09 12:11:35,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:11:35,937 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-09 12:11:35,937 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:35,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-09 12:11:35,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:36,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:43,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923710278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:43,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:43,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-09 12:11:43,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499792687] [2024-11-09 12:11:43,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:43,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-09 12:11:43,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-09 12:11:43,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-11-09 12:11:43,670 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:50,655 INFO L93 Difference]: Finished difference Result 767 states and 814 transitions. [2024-11-09 12:11:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-09 12:11:50,656 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2024-11-09 12:11:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:50,659 INFO L225 Difference]: With dead ends: 767 [2024-11-09 12:11:50,659 INFO L226 Difference]: Without dead ends: 766 [2024-11-09 12:11:50,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-11-09 12:11:50,665 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2738 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:50,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 835 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:11:50,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-09 12:11:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 763. [2024-11-09 12:11:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 667 states have (on average 1.0014992503748126) internal successors, (668), 667 states have internal predecessors, (668), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 763 transitions. [2024-11-09 12:11:50,693 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 763 transitions. Word has length 378 [2024-11-09 12:11:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:50,694 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 763 transitions. [2024-11-09 12:11:50,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 763 transitions. [2024-11-09 12:11:50,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2024-11-09 12:11:50,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:50,709 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:50,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:11:50,913 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,SelfDestructingSolverStorable12 [2024-11-09 12:11:50,914 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 12:11:50,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:50,914 INFO L85 PathProgramCache]: Analyzing trace with hash 520266724, now seen corresponding path program 6 times [2024-11-09 12:11:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:50,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110271108] [2024-11-09 12:11:50,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:50,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:12:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:12:09,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:12:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110271108] [2024-11-09 12:12:09,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110271108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:12:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275250813] [2024-11-09 12:12:09,206 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 12:12:09,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:12:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:12:09,208 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) [2024-11-09 12:12:09,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:12:09,765 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-09 12:12:09,765 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:12:09,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-09 12:12:09,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:12:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:12:10,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:12:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:12:33,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275250813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:12:33,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:12:33,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2024-11-09 12:12:33,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178061897] [2024-11-09 12:12:33,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:12:33,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2024-11-09 12:12:33,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:12:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2024-11-09 12:12:33,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36676, Invalid=110396, Unknown=0, NotChecked=0, Total=147072 [2024-11-09 12:12:33,302 INFO L87 Difference]: Start difference. First operand 763 states and 763 transitions. Second operand has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)