./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/poly1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/poly1.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 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:01:07,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:01:07,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:01:07,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:01:07,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:01:07,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:01:07,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:01:07,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:01:07,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:01:07,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:01:07,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:01:07,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:01:07,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:01:07,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:01:07,369 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:01:07,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:01:07,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:01:07,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:01:07,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:01:07,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:01:07,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:01:07,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:01:07,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:01:07,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:01:07,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:01:07,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:01:07,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:01:07,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:07,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:01:07,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:01:07,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:01:07,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:01:07,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:01:07,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:01:07,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3116e607f032f81b099fa1792f5e25b70e1832d9d57f1b8b6500e90d2143faec [2024-11-19 10:01:07,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:01:07,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:01:07,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:01:07,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:01:07,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:01:07,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/poly1.c [2024-11-19 10:01:08,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:01:08,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:01:08,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/poly1.c [2024-11-19 10:01:08,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4fe9d93/dd8c242878a3498bb19ba2e91896591b/FLAG7fe2a34fb [2024-11-19 10:01:08,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4fe9d93/dd8c242878a3498bb19ba2e91896591b [2024-11-19 10:01:08,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:01:08,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:01:08,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:08,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:01:08,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:01:08,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:08" (1/1) ... [2024-11-19 10:01:08,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172062ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:08, skipping insertion in model container [2024-11-19 10:01:08,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:08" (1/1) ... [2024-11-19 10:01:08,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:01:09,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:09,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:01:09,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:09,217 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:01:09,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09 WrapperNode [2024-11-19 10:01:09,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:09,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:09,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:01:09,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:01:09,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,250 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-19 10:01:09,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:09,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:01:09,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:01:09,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:01:09,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,274 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 8, 2]. 67 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-11-19 10:01:09,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:01:09,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:01:09,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:01:09,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:01:09,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (1/1) ... [2024-11-19 10:01:09,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:09,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:09,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:01:09,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:01:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 10:01:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:01:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:01:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:01:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:01:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:01:09,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:01:09,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:01:09,537 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-19 10:01:09,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:01:09,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:01:09,546 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:01:09,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:09 BoogieIcfgContainer [2024-11-19 10:01:09,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:01:09,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:01:09,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:01:09,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:01:09,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:01:08" (1/3) ... [2024-11-19 10:01:09,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5d9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:09, skipping insertion in model container [2024-11-19 10:01:09,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:09" (2/3) ... [2024-11-19 10:01:09,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5d9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:09, skipping insertion in model container [2024-11-19 10:01:09,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:09" (3/3) ... [2024-11-19 10:01:09,554 INFO L112 eAbstractionObserver]: Analyzing ICFG poly1.c [2024-11-19 10:01:09,567 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:01:09,567 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 10:01:09,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:01:09,624 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;@11bba6a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:01:09,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 10:01:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:01:09,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:09,632 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:01:09,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:09,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:09,636 INFO L85 PathProgramCache]: Analyzing trace with hash 28693955, now seen corresponding path program 1 times [2024-11-19 10:01:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:09,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077973034] [2024-11-19 10:01:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:09,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:09,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077973034] [2024-11-19 10:01:09,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077973034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:09,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:09,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 10:01:09,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491423342] [2024-11-19 10:01:09,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:09,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:01:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:09,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:01:09,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:01:09,806 INFO L87 Difference]: Start difference. First operand has 33 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:09,816 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2024-11-19 10:01:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:01:09,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:01:09,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:09,825 INFO L225 Difference]: With dead ends: 51 [2024-11-19 10:01:09,825 INFO L226 Difference]: Without dead ends: 24 [2024-11-19 10:01:09,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:01:09,831 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:09,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-19 10:01:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-19 10:01:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-19 10:01:09,860 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 5 [2024-11-19 10:01:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:09,860 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-19 10:01:09,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-19 10:01:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:01:09,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:09,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:01:09,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:01:09,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:09,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:09,863 INFO L85 PathProgramCache]: Analyzing trace with hash 889512652, now seen corresponding path program 1 times [2024-11-19 10:01:09,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:09,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382256931] [2024-11-19 10:01:09,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:09,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:01:09,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469041044] [2024-11-19 10:01:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:09,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:09,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:09,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:01:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:09,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:01:09,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:09,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:09,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:09,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382256931] [2024-11-19 10:01:09,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:01:09,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469041044] [2024-11-19 10:01:09,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469041044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:09,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:09,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:01:09,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544274938] [2024-11-19 10:01:09,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:09,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:09,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:09,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:09,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:09,985 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:10,016 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-19 10:01:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:10,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:01:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:10,017 INFO L225 Difference]: With dead ends: 36 [2024-11-19 10:01:10,017 INFO L226 Difference]: Without dead ends: 34 [2024-11-19 10:01:10,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:10,018 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:10,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-19 10:01:10,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2024-11-19 10:01:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-11-19 10:01:10,023 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 6 [2024-11-19 10:01:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:10,023 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-11-19 10:01:10,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-11-19 10:01:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:01:10,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:10,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:10,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:10,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:10,228 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:10,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:10,228 INFO L85 PathProgramCache]: Analyzing trace with hash 123168238, now seen corresponding path program 1 times [2024-11-19 10:01:10,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:10,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542937092] [2024-11-19 10:01:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:10,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:10,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:10,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542937092] [2024-11-19 10:01:10,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542937092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:10,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:10,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:10,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995752043] [2024-11-19 10:01:10,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:10,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:10,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:10,347 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:10,391 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-11-19 10:01:10,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:10,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:01:10,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:10,393 INFO L225 Difference]: With dead ends: 38 [2024-11-19 10:01:10,394 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 10:01:10,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:10,395 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:10,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:10,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 10:01:10,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2024-11-19 10:01:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-11-19 10:01:10,402 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 8 [2024-11-19 10:01:10,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:10,402 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-11-19 10:01:10,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,402 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-19 10:01:10,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 10:01:10,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:10,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:10,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:01:10,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:10,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:10,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1371163722, now seen corresponding path program 1 times [2024-11-19 10:01:10,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:10,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063174863] [2024-11-19 10:01:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:10,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:10,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:10,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063174863] [2024-11-19 10:01:10,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063174863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:10,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:10,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:10,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875609199] [2024-11-19 10:01:10,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:10,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:10,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:10,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:10,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:10,490 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:10,521 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2024-11-19 10:01:10,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:10,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 10:01:10,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:10,522 INFO L225 Difference]: With dead ends: 48 [2024-11-19 10:01:10,522 INFO L226 Difference]: Without dead ends: 33 [2024-11-19 10:01:10,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:10,524 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:10,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 29 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-19 10:01:10,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-19 10:01:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 32 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-11-19 10:01:10,532 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 12 [2024-11-19 10:01:10,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:10,532 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-11-19 10:01:10,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-19 10:01:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 10:01:10,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:10,533 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:10,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:01:10,533 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:10,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:10,534 INFO L85 PathProgramCache]: Analyzing trace with hash 542080422, now seen corresponding path program 1 times [2024-11-19 10:01:10,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:10,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195556364] [2024-11-19 10:01:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:10,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:01:10,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719109258] [2024-11-19 10:01:10,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:10,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:10,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:10,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:10,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:01:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:10,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:01:10,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:10,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:10,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195556364] [2024-11-19 10:01:10,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:01:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719109258] [2024-11-19 10:01:10,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719109258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:10,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:01:10,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-19 10:01:10,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903367785] [2024-11-19 10:01:10,717 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:10,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:01:10,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:10,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:01:10,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:10,718 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:10,836 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2024-11-19 10:01:10,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:01:10,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 10:01:10,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:10,837 INFO L225 Difference]: With dead ends: 48 [2024-11-19 10:01:10,839 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:01:10,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:10,840 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:10,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 55 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:10,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:01:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-11-19 10:01:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.25) internal successors, (45), 41 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-11-19 10:01:10,843 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 12 [2024-11-19 10:01:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:10,844 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-11-19 10:01:10,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-19 10:01:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:01:10,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:10,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:10,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:01:11,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:11,046 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:11,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:11,046 INFO L85 PathProgramCache]: Analyzing trace with hash 96682768, now seen corresponding path program 1 times [2024-11-19 10:01:11,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:11,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511909962] [2024-11-19 10:01:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:11,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:01:11,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511909962] [2024-11-19 10:01:11,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511909962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:11,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:11,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:11,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733194815] [2024-11-19 10:01:11,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:11,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:11,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:11,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:11,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:11,100 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:11,140 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2024-11-19 10:01:11,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:11,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-19 10:01:11,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:11,141 INFO L225 Difference]: With dead ends: 49 [2024-11-19 10:01:11,141 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:01:11,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:11,141 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:11,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 35 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:01:11,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-19 10:01:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 46 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2024-11-19 10:01:11,145 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 18 [2024-11-19 10:01:11,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:11,145 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2024-11-19 10:01:11,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-11-19 10:01:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:01:11,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:11,146 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-19 10:01:11,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:01:11,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:11,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1195519198, now seen corresponding path program 1 times [2024-11-19 10:01:11,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:11,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055124935] [2024-11-19 10:01:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:11,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:11,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:11,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055124935] [2024-11-19 10:01:11,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055124935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:11,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636314992] [2024-11-19 10:01:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:11,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:11,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:01:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:11,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:01:11,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:11,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:11,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636314992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:11,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:11,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-19 10:01:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823023944] [2024-11-19 10:01:11,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:11,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:01:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:01:11,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:11,358 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:11,449 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2024-11-19 10:01:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:01:11,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-19 10:01:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:11,450 INFO L225 Difference]: With dead ends: 47 [2024-11-19 10:01:11,450 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 10:01:11,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:11,451 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:11,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 10:01:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-19 10:01:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 45 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2024-11-19 10:01:11,455 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 20 [2024-11-19 10:01:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:11,455 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2024-11-19 10:01:11,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-11-19 10:01:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:01:11,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:11,456 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-19 10:01:11,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:01:11,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:11,660 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1593610579, now seen corresponding path program 1 times [2024-11-19 10:01:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207885482] [2024-11-19 10:01:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:11,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207885482] [2024-11-19 10:01:11,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207885482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079790667] [2024-11-19 10:01:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:11,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:11,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:11,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:01:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:11,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:01:11,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:11,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:11,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079790667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:11,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:11,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 10:01:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106341359] [2024-11-19 10:01:11,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:11,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:01:11,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:11,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:01:11,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:01:11,936 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:12,026 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-11-19 10:01:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:01:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-19 10:01:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:12,028 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:01:12,029 INFO L226 Difference]: Without dead ends: 51 [2024-11-19 10:01:12,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:01:12,029 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:12,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 65 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-19 10:01:12,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2024-11-19 10:01:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.170731707317073) internal successors, (48), 44 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2024-11-19 10:01:12,034 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 21 [2024-11-19 10:01:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:12,034 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2024-11-19 10:01:12,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2024-11-19 10:01:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:01:12,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:12,035 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:12,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:12,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:12,242 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:12,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash 494096221, now seen corresponding path program 1 times [2024-11-19 10:01:12,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367753795] [2024-11-19 10:01:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:01:12,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:12,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367753795] [2024-11-19 10:01:12,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367753795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:12,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497781640] [2024-11-19 10:01:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:12,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:12,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:12,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:01:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:12,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:12,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:01:12,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:01:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497781640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:12,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:01:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878891284] [2024-11-19 10:01:12,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:12,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:01:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:01:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:12,412 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:12,462 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2024-11-19 10:01:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:01:12,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-19 10:01:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:12,463 INFO L225 Difference]: With dead ends: 65 [2024-11-19 10:01:12,463 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:01:12,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:12,463 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 12 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:12,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 35 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:01:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-19 10:01:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.146341463414634) internal successors, (47), 44 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-11-19 10:01:12,467 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 22 [2024-11-19 10:01:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:12,467 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-11-19 10:01:12,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:12,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-11-19 10:01:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:01:12,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:12,468 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-19 10:01:12,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:12,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:12,669 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:12,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:12,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1315688230, now seen corresponding path program 2 times [2024-11-19 10:01:12,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:12,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551036557] [2024-11-19 10:01:12,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:12,685 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:12,685 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:01:12,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953550863] [2024-11-19 10:01:12,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:12,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:12,688 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:12,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:01:12,738 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:12,738 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:12,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:01:12,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:12,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:13,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:13,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551036557] [2024-11-19 10:01:13,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:01:13,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953550863] [2024-11-19 10:01:13,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953550863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:13,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:01:13,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-19 10:01:13,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142477024] [2024-11-19 10:01:13,337 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:13,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 10:01:13,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:13,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 10:01:13,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:01:13,338 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 20 states, 19 states have (on average 2.473684210526316) internal successors, (47), 20 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:13,572 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-19 10:01:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:01:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.473684210526316) internal successors, (47), 20 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-19 10:01:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:13,573 INFO L225 Difference]: With dead ends: 46 [2024-11-19 10:01:13,573 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:01:13,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:01:13,573 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 71 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:13,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 55 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:01:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:01:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2024-11-19 10:01:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.121212121212121) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-19 10:01:13,576 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 24 [2024-11-19 10:01:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:13,577 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-19 10:01:13,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.473684210526316) internal successors, (47), 20 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-19 10:01:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:01:13,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:13,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:13,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:01:13,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:13,778 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:13,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:13,779 INFO L85 PathProgramCache]: Analyzing trace with hash 351335991, now seen corresponding path program 2 times [2024-11-19 10:01:13,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:13,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043308105] [2024-11-19 10:01:13,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:13,817 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:13,817 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:01:13,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909973508] [2024-11-19 10:01:13,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:13,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:13,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:13,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:13,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:01:13,868 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:13,868 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:13,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:01:13,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:01:13,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:01:13,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043308105] [2024-11-19 10:01:13,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:01:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909973508] [2024-11-19 10:01:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909973508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:13,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:01:13,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-19 10:01:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089372233] [2024-11-19 10:01:13,928 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:13,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:01:13,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:01:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:13,929 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:14,005 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2024-11-19 10:01:14,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:01:14,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 10:01:14,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:14,006 INFO L225 Difference]: With dead ends: 50 [2024-11-19 10:01:14,006 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:01:14,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:14,007 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 18 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:14,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 50 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:01:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-19 10:01:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 46 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2024-11-19 10:01:14,010 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 28 [2024-11-19 10:01:14,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:14,010 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2024-11-19 10:01:14,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2024-11-19 10:01:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:01:14,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:14,011 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:14,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:01:14,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:14,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:14,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:14,212 INFO L85 PathProgramCache]: Analyzing trace with hash -481749876, now seen corresponding path program 1 times [2024-11-19 10:01:14,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:14,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857714970] [2024-11-19 10:01:14,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:01:14,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:14,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857714970] [2024-11-19 10:01:14,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857714970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:14,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507011587] [2024-11-19 10:01:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:14,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:14,297 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:14,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:01:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:14,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:01:14,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:14,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:14,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507011587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:14,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:14,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 24 [2024-11-19 10:01:14,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831551421] [2024-11-19 10:01:14,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:14,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:01:14,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:14,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:01:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:01:14,660 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:14,880 INFO L93 Difference]: Finished difference Result 86 states and 89 transitions. [2024-11-19 10:01:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:01:14,881 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-19 10:01:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:14,882 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:01:14,882 INFO L226 Difference]: Without dead ends: 55 [2024-11-19 10:01:14,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 57 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:01:14,883 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:14,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 109 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:01:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-19 10:01:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-11-19 10:01:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.06) internal successors, (53), 51 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2024-11-19 10:01:14,888 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 40 [2024-11-19 10:01:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:14,889 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2024-11-19 10:01:14,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2024-11-19 10:01:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:01:14,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:14,889 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:14,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:15,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:01:15,090 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:15,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash 202286128, now seen corresponding path program 1 times [2024-11-19 10:01:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:15,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974775671] [2024-11-19 10:01:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:15,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:15,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974775671] [2024-11-19 10:01:15,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974775671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:15,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126445495] [2024-11-19 10:01:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:15,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:15,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:15,181 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:15,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:01:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:15,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:01:15,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:15,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:15,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126445495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:15,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:15,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 10:01:15,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109887810] [2024-11-19 10:01:15,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:15,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:01:15,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:01:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:01:15,337 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand has 16 states, 15 states have (on average 4.6) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:15,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:15,401 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2024-11-19 10:01:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:01:15,402 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.6) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-19 10:01:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:15,402 INFO L225 Difference]: With dead ends: 60 [2024-11-19 10:01:15,404 INFO L226 Difference]: Without dead ends: 59 [2024-11-19 10:01:15,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:01:15,404 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:15,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 43 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:15,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-19 10:01:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2024-11-19 10:01:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.04) internal successors, (52), 50 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2024-11-19 10:01:15,411 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 47 [2024-11-19 10:01:15,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:15,412 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2024-11-19 10:01:15,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.6) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2024-11-19 10:01:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:01:15,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:15,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:15,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:01:15,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:01:15,613 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 10:01:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash 466987571, now seen corresponding path program 3 times [2024-11-19 10:01:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769199731] [2024-11-19 10:01:15,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:01:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:15,650 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:01:15,650 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:15,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:15,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769199731] [2024-11-19 10:01:15,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769199731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:15,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57301834] [2024-11-19 10:01:15,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:01:15,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:15,881 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:15,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:01:15,938 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:01:15,939 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:15,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:01:15,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 10:01:16,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 10:01:16,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57301834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:16,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:16,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 6] total 27 [2024-11-19 10:01:16,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354367982] [2024-11-19 10:01:16,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:16,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 10:01:16,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:16,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 10:01:16,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:01:16,821 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:17,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:17,330 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2024-11-19 10:01:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:01:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-19 10:01:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:17,332 INFO L225 Difference]: With dead ends: 94 [2024-11-19 10:01:17,332 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:01:17,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=300, Invalid=1506, Unknown=0, NotChecked=0, Total=1806 [2024-11-19 10:01:17,333 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 100 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:17,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 68 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:01:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:01:17,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:01:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:01:17,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-11-19 10:01:17,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:17,334 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:01:17,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:01:17,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:01:17,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 10:01:17,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 10:01:17,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:01:17,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:01:17,541 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:17,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:01:17,677 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:01:17,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:01:17 BoogieIcfgContainer [2024-11-19 10:01:17,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:01:17,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:01:17,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:01:17,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:01:17,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:09" (3/4) ... [2024-11-19 10:01:17,691 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:01:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-19 10:01:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 10:01:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:01:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:01:17,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:01:17,760 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:01:17,762 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:01:17,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:01:17,762 INFO L158 Benchmark]: Toolchain (without parser) took 8796.37ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 96.5MB in the beginning and 142.5MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:01:17,763 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 104.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:01:17,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.09ms. Allocated memory is still 163.6MB. Free memory was 96.3MB in the beginning and 133.3MB in the end (delta: -37.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-19 10:01:17,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.00ms. Allocated memory is still 163.6MB. Free memory was 133.3MB in the beginning and 131.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:01:17,763 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 163.6MB. Free memory was 131.8MB in the beginning and 129.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:01:17,764 INFO L158 Benchmark]: RCFGBuilder took 256.86ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 116.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 10:01:17,764 INFO L158 Benchmark]: TraceAbstraction took 8138.73ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 115.9MB in the beginning and 147.7MB in the end (delta: -31.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-19 10:01:17,764 INFO L158 Benchmark]: Witness Printer took 74.01ms. Allocated memory is still 205.5MB. Free memory was 147.7MB in the beginning and 142.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:01:17,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 104.9MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.09ms. Allocated memory is still 163.6MB. Free memory was 96.3MB in the beginning and 133.3MB in the end (delta: -37.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.00ms. Allocated memory is still 163.6MB. Free memory was 133.3MB in the beginning and 131.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 163.6MB. Free memory was 131.8MB in the beginning and 129.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.86ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 116.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8138.73ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 115.9MB in the beginning and 147.7MB in the end (delta: -31.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 74.01ms. Allocated memory is still 205.5MB. Free memory was 147.7MB in the beginning and 142.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 276 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 677 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 479 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1654 IncrementalHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 198 mSDtfsCounter, 1654 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 581 GetRequests, 422 SyntacticMatches, 7 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=12, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 36 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 583 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 729 ConstructedInterpolants, 69 QuantifiedInterpolants, 3436 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 307/568 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((i == 0) && (SIZE <= 2147483647)) || (((i <= 9223372036854775805) && (2 <= i)) && (SIZE <= 2147483647))) || ((i == 1) && (SIZE <= 2147483647))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((2 <= SIZE) && (i == 1)) && (SIZE <= 2147483647))) || ((2 == i) && (SIZE <= 2147483647))) || (((i <= 9223372036854775805) && (3 <= i)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:01:17,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE