./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.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 d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:54:19,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:54:19,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:54:19,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:54:19,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:54:19,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:54:19,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:54:19,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:54:19,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:54:19,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:54:19,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:54:19,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:54:19,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:54:19,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:54:19,196 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:54:19,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:54:19,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:54:19,197 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:54:19,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:54:19,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:54:19,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:54:19,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:54:19,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:54:19,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:54:19,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:54:19,205 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:54:19,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:54:19,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:54:19,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:54:19,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:54:19,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:54:19,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:54:19,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:54:19,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:54:19,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:54:19,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:54:19,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:54:19,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:54:19,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:54:19,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:54:19,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:54:19,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:54:19,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:54:19,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:54:19,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d [2024-11-20 18:54:19,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:54:19,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:54:19,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:54:19,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:54:19,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:54:19,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-11-20 18:54:20,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:54:20,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:54:20,907 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-11-20 18:54:20,914 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c8bb1e3b/56d89dc7520a49d88e6cacf1086df4eb/FLAGab6086d33 [2024-11-20 18:54:21,304 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c8bb1e3b/56d89dc7520a49d88e6cacf1086df4eb [2024-11-20 18:54:21,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:54:21,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:54:21,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:54:21,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:54:21,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:54:21,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba3e9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21, skipping insertion in model container [2024-11-20 18:54:21,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:54:21,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:54:21,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:54:21,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:54:21,497 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:54:21,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21 WrapperNode [2024-11-20 18:54:21,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:54:21,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:54:21,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:54:21,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:54:21,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,550 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-20 18:54:21,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:54:21,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:54:21,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:54:21,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:54:21,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,573 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:54:21,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:54:21,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:54:21,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:54:21,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:54:21,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (1/1) ... [2024-11-20 18:54:21,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:54:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:21,617 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) [2024-11-20 18:54:21,618 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 [2024-11-20 18:54:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:54:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 18:54:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 18:54:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:54:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:54:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:54:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:54:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:54:21,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:54:21,723 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:54:21,874 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 18:54:21,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:54:21,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:54:21,884 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:54:21,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:21 BoogieIcfgContainer [2024-11-20 18:54:21,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:54:21,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:54:21,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:54:21,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:54:21,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:54:21" (1/3) ... [2024-11-20 18:54:21,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7334a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:21, skipping insertion in model container [2024-11-20 18:54:21,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:21" (2/3) ... [2024-11-20 18:54:21,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7334a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:21, skipping insertion in model container [2024-11-20 18:54:21,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:21" (3/3) ... [2024-11-20 18:54:21,892 INFO L112 eAbstractionObserver]: Analyzing ICFG prodbin-ll_valuebound2.c [2024-11-20 18:54:21,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:54:21,907 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-20 18:54:21,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:54:21,955 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;@3eb42e37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:54:21,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-20 18:54:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 50 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 18:54:21,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:21,966 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:21,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:21,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1622881369, now seen corresponding path program 1 times [2024-11-20 18:54:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:21,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717679517] [2024-11-20 18:54:21,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:21,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:22,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:22,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717679517] [2024-11-20 18:54:22,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717679517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:22,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:22,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:54:22,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436393562] [2024-11-20 18:54:22,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:22,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:54:22,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:54:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:54:22,124 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 50 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:54:22,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:22,140 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2024-11-20 18:54:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:54:22,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-20 18:54:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:22,146 INFO L225 Difference]: With dead ends: 112 [2024-11-20 18:54:22,146 INFO L226 Difference]: Without dead ends: 51 [2024-11-20 18:54:22,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:54:22,152 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-20 18:54:22,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:22,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-20 18:54:22,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-20 18:54:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 44 states have internal predecessors, (46), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:54:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2024-11-20 18:54:22,182 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 21 [2024-11-20 18:54:22,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:22,182 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2024-11-20 18:54:22,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:54:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-11-20 18:54:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 18:54:22,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:22,184 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:22,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:54:22,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:22,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1842060905, now seen corresponding path program 1 times [2024-11-20 18:54:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395629856] [2024-11-20 18:54:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:22,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806053744] [2024-11-20 18:54:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:22,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:22,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:22,211 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) [2024-11-20 18:54:22,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:54:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:22,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:54:22,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:22,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:22,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:22,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395629856] [2024-11-20 18:54:22,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:22,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806053744] [2024-11-20 18:54:22,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806053744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:54:22,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:54:22,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:54:22,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580242246] [2024-11-20 18:54:22,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:22,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:54:22,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:22,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:54:22,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:54:22,615 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:54:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:22,836 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2024-11-20 18:54:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:54:22,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-20 18:54:22,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:22,838 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:54:22,838 INFO L226 Difference]: Without dead ends: 68 [2024-11-20 18:54:22,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:54:22,840 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 74 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:22,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 81 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:54:22,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-20 18:54:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2024-11-20 18:54:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 57 states have internal predecessors, (67), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2024-11-20 18:54:22,854 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 21 [2024-11-20 18:54:22,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:22,855 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2024-11-20 18:54:22,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 18:54:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2024-11-20 18:54:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-20 18:54:22,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:22,857 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:22,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:54:23,059 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 [2024-11-20 18:54:23,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:23,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:23,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1269313257, now seen corresponding path program 1 times [2024-11-20 18:54:23,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:23,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863146967] [2024-11-20 18:54:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:23,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448619071] [2024-11-20 18:54:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:23,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:23,103 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) [2024-11-20 18:54:23,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:54:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:54:23,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:23,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:54:23,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:23,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863146967] [2024-11-20 18:54:23,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:23,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448619071] [2024-11-20 18:54:23,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448619071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:23,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:23,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 18:54:23,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429726142] [2024-11-20 18:54:23,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:23,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:54:23,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:23,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:54:23,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:54:23,261 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:54:23,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:23,382 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2024-11-20 18:54:23,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:54:23,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2024-11-20 18:54:23,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:23,386 INFO L225 Difference]: With dead ends: 69 [2024-11-20 18:54:23,387 INFO L226 Difference]: Without dead ends: 62 [2024-11-20 18:54:23,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:54:23,388 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 118 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:23,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 99 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:23,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-20 18:54:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-20 18:54:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 54 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2024-11-20 18:54:23,398 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 22 [2024-11-20 18:54:23,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:23,398 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2024-11-20 18:54:23,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:54:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2024-11-20 18:54:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-20 18:54:23,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:23,399 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:23,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:54:23,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-20 18:54:23,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:23,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash 694005355, now seen corresponding path program 1 times [2024-11-20 18:54:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:23,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321142193] [2024-11-20 18:54:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:23,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:23,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:23,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321142193] [2024-11-20 18:54:23,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321142193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:23,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:23,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668412060] [2024-11-20 18:54:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:23,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:23,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:23,729 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:54:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:23,792 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2024-11-20 18:54:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:23,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-20 18:54:23,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:23,793 INFO L225 Difference]: With dead ends: 85 [2024-11-20 18:54:23,793 INFO L226 Difference]: Without dead ends: 84 [2024-11-20 18:54:23,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:23,794 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 18 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:23,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 92 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:23,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-20 18:54:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2024-11-20 18:54:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 67 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2024-11-20 18:54:23,800 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 23 [2024-11-20 18:54:23,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:23,801 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2024-11-20 18:54:23,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:54:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2024-11-20 18:54:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 18:54:23,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:23,801 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:23,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:54:23,802 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:23,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:23,802 INFO L85 PathProgramCache]: Analyzing trace with hash 39329579, now seen corresponding path program 1 times [2024-11-20 18:54:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:23,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236329648] [2024-11-20 18:54:23,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:23,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236329648] [2024-11-20 18:54:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236329648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:23,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114077600] [2024-11-20 18:54:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:23,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:23,881 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:54:24,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,017 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-11-20 18:54:24,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-20 18:54:24,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,019 INFO L225 Difference]: With dead ends: 85 [2024-11-20 18:54:24,019 INFO L226 Difference]: Without dead ends: 84 [2024-11-20 18:54:24,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:24,020 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:24,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-20 18:54:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2024-11-20 18:54:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 67 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2024-11-20 18:54:24,026 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 24 [2024-11-20 18:54:24,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,026 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2024-11-20 18:54:24,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:54:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2024-11-20 18:54:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:54:24,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,027 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:54:24,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1372730465, now seen corresponding path program 1 times [2024-11-20 18:54:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035723420] [2024-11-20 18:54:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:24,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:24,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035723420] [2024-11-20 18:54:24,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035723420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:24,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:24,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:24,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088925572] [2024-11-20 18:54:24,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:24,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:24,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:24,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:24,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:24,128 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,173 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2024-11-20 18:54:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-20 18:54:24,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,174 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:54:24,174 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 18:54:24,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:54:24,175 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 49 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 75 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:24,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 18:54:24,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-20 18:54:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 90 transitions. [2024-11-20 18:54:24,181 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 90 transitions. Word has length 34 [2024-11-20 18:54:24,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,181 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 90 transitions. [2024-11-20 18:54:24,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2024-11-20 18:54:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:54:24,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,182 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:54:24,182 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,183 INFO L85 PathProgramCache]: Analyzing trace with hash -395028474, now seen corresponding path program 1 times [2024-11-20 18:54:24,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360311133] [2024-11-20 18:54:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:24,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:24,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360311133] [2024-11-20 18:54:24,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360311133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:24,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:24,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:24,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700620126] [2024-11-20 18:54:24,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:24,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:24,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:24,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:24,247 INFO L87 Difference]: Start difference. First operand 76 states and 90 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,324 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-20 18:54:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-20 18:54:24,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,326 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:54:24,326 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 18:54:24,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:54:24,327 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 76 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:24,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 18:54:24,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-20 18:54:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2024-11-20 18:54:24,337 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 35 [2024-11-20 18:54:24,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,337 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2024-11-20 18:54:24,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2024-11-20 18:54:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:54:24,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,338 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:54:24,339 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1655665294, now seen corresponding path program 1 times [2024-11-20 18:54:24,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423653108] [2024-11-20 18:54:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:24,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:24,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423653108] [2024-11-20 18:54:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423653108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:24,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:24,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:54:24,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602386004] [2024-11-20 18:54:24,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:24,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:54:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:54:24,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:54:24,409 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-20 18:54:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,443 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2024-11-20 18:54:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 37 [2024-11-20 18:54:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,444 INFO L225 Difference]: With dead ends: 76 [2024-11-20 18:54:24,444 INFO L226 Difference]: Without dead ends: 74 [2024-11-20 18:54:24,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:54:24,445 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 46 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 53 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:24,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-20 18:54:24,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-11-20 18:54:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 64 states have internal predecessors, (73), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 85 transitions. [2024-11-20 18:54:24,454 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 85 transitions. Word has length 37 [2024-11-20 18:54:24,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,454 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 85 transitions. [2024-11-20 18:54:24,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-20 18:54:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2024-11-20 18:54:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 18:54:24,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,455 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:54:24,456 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,456 INFO L85 PathProgramCache]: Analyzing trace with hash -82805336, now seen corresponding path program 1 times [2024-11-20 18:54:24,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085393547] [2024-11-20 18:54:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:24,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:24,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085393547] [2024-11-20 18:54:24,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085393547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:24,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:24,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:24,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420703329] [2024-11-20 18:54:24,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:24,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:24,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:24,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:24,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:24,522 INFO L87 Difference]: Start difference. First operand 73 states and 85 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,558 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-20 18:54:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-11-20 18:54:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,560 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:54:24,560 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 18:54:24,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:54:24,561 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 71 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:24,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 18:54:24,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-11-20 18:54:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 66 states have internal predecessors, (75), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2024-11-20 18:54:24,568 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 38 [2024-11-20 18:54:24,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,568 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2024-11-20 18:54:24,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2024-11-20 18:54:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:54:24,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,569 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:54:24,569 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1728001962, now seen corresponding path program 1 times [2024-11-20 18:54:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399036195] [2024-11-20 18:54:24,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:24,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:24,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399036195] [2024-11-20 18:54:24,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399036195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:24,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:24,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890383715] [2024-11-20 18:54:24,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:24,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:24,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:24,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:24,608 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:24,653 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2024-11-20 18:54:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:24,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-20 18:54:24,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:24,654 INFO L225 Difference]: With dead ends: 77 [2024-11-20 18:54:24,654 INFO L226 Difference]: Without dead ends: 76 [2024-11-20 18:54:24,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:54:24,655 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:24,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-20 18:54:24,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-20 18:54:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 67 states have internal predecessors, (76), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-20 18:54:24,661 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 39 [2024-11-20 18:54:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:24,661 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-20 18:54:24,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-20 18:54:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:54:24,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:24,662 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:24,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 18:54:24,662 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:24,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1956446540, now seen corresponding path program 1 times [2024-11-20 18:54:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:24,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633271794] [2024-11-20 18:54:24,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:24,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468016730] [2024-11-20 18:54:24,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:24,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:24,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:24,690 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) [2024-11-20 18:54:24,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:54:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:24,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:54:24,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:24,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:27,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:27,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633271794] [2024-11-20 18:54:27,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:27,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468016730] [2024-11-20 18:54:27,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468016730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:54:27,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:54:27,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:54:27,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43997031] [2024-11-20 18:54:27,098 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:27,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:54:27,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:27,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:54:27,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=173, Unknown=1, NotChecked=0, Total=240 [2024-11-20 18:54:27,100 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:54:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:27,376 INFO L93 Difference]: Finished difference Result 96 states and 122 transitions. [2024-11-20 18:54:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:54:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 39 [2024-11-20 18:54:27,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:27,378 INFO L225 Difference]: With dead ends: 96 [2024-11-20 18:54:27,378 INFO L226 Difference]: Without dead ends: 92 [2024-11-20 18:54:27,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=134, Invalid=285, Unknown=1, NotChecked=0, Total=420 [2024-11-20 18:54:27,378 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 91 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:27,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:54:27,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-20 18:54:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2024-11-20 18:54:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 62 states have internal predecessors, (68), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2024-11-20 18:54:27,384 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 39 [2024-11-20 18:54:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:27,384 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2024-11-20 18:54:27,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:54:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2024-11-20 18:54:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:54:27,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:27,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:27,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:54:27,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:27,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:27,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:27,590 INFO L85 PathProgramCache]: Analyzing trace with hash -520300546, now seen corresponding path program 1 times [2024-11-20 18:54:27,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:27,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455052078] [2024-11-20 18:54:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:27,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41320493] [2024-11-20 18:54:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:27,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:27,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:27,602 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) [2024-11-20 18:54:27,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:54:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:27,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 18:54:27,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:28,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:54:28,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455052078] [2024-11-20 18:54:28,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41320493] [2024-11-20 18:54:28,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41320493] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:54:28,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:54:28,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-20 18:54:28,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810140633] [2024-11-20 18:54:28,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:28,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:54:28,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:28,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:54:28,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:54:28,322 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:28,467 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2024-11-20 18:54:28,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:28,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-20 18:54:28,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:28,468 INFO L225 Difference]: With dead ends: 79 [2024-11-20 18:54:28,468 INFO L226 Difference]: Without dead ends: 78 [2024-11-20 18:54:28,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:54:28,468 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:28,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 73 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-20 18:54:28,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-20 18:54:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.171875) internal successors, (75), 69 states have internal predecessors, (75), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:54:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2024-11-20 18:54:28,473 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 40 [2024-11-20 18:54:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:28,473 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2024-11-20 18:54:28,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 18:54:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-20 18:54:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-20 18:54:28,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:28,474 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:28,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:54:28,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:28,678 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:28,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:28,678 INFO L85 PathProgramCache]: Analyzing trace with hash 566920068, now seen corresponding path program 1 times [2024-11-20 18:54:28,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:28,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852286031] [2024-11-20 18:54:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:28,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647082297] [2024-11-20 18:54:28,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:28,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:28,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:28,695 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) [2024-11-20 18:54:28,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:54:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:28,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:54:28,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:28,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852286031] [2024-11-20 18:54:29,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647082297] [2024-11-20 18:54:29,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647082297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:54:29,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:54:29,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-20 18:54:29,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749747989] [2024-11-20 18:54:29,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:29,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:54:29,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:54:29,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:54:29,125 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-20 18:54:29,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:29,294 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2024-11-20 18:54:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:54:29,294 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 44 [2024-11-20 18:54:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:29,295 INFO L225 Difference]: With dead ends: 116 [2024-11-20 18:54:29,295 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 18:54:29,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:54:29,296 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 80 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:29,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 143 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 18:54:29,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 18:54:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 55 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2024-11-20 18:54:29,299 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 44 [2024-11-20 18:54:29,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:29,299 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-11-20 18:54:29,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-20 18:54:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-20 18:54:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:54:29,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:29,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:29,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 18:54:29,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 18:54:29,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:29,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash 394652976, now seen corresponding path program 1 times [2024-11-20 18:54:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115962605] [2024-11-20 18:54:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:29,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:29,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115962605] [2024-11-20 18:54:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115962605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:54:29,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676739254] [2024-11-20 18:54:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:29,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:29,652 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) [2024-11-20 18:54:29,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:54:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:29,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:54:29,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:29,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676739254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:54:29,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:54:29,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2024-11-20 18:54:29,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871138681] [2024-11-20 18:54:29,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:29,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:54:29,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:29,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:54:29,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:54:29,862 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-20 18:54:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:29,979 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2024-11-20 18:54:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:54:29,979 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 45 [2024-11-20 18:54:29,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:29,980 INFO L225 Difference]: With dead ends: 63 [2024-11-20 18:54:29,980 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 18:54:29,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:54:29,980 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 84 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:29,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 89 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:54:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 18:54:29,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-20 18:54:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 53 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-11-20 18:54:29,985 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 45 [2024-11-20 18:54:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:29,985 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-11-20 18:54:29,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-20 18:54:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-20 18:54:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:54:29,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:29,986 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:29,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:54:30,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:30,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:30,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:30,191 INFO L85 PathProgramCache]: Analyzing trace with hash -650659578, now seen corresponding path program 1 times [2024-11-20 18:54:30,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:30,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702131180] [2024-11-20 18:54:30,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:30,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:54:30,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974383830] [2024-11-20 18:54:30,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:30,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:30,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:30,221 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) [2024-11-20 18:54:30,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:54:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:30,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-20 18:54:30,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:30,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 18:54:37,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:37,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702131180] [2024-11-20 18:54:37,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:54:37,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974383830] [2024-11-20 18:54:37,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974383830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:54:37,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:54:37,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2024-11-20 18:54:37,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377462646] [2024-11-20 18:54:37,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:37,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 18:54:37,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:37,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 18:54:37,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=365, Unknown=1, NotChecked=0, Total=462 [2024-11-20 18:54:37,142 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 22 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-20 18:54:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:54:48,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:54:52,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:54:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:54,154 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2024-11-20 18:54:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:54:54,154 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 46 [2024-11-20 18:54:54,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:54,161 INFO L225 Difference]: With dead ends: 68 [2024-11-20 18:54:54,161 INFO L226 Difference]: Without dead ends: 47 [2024-11-20 18:54:54,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=299, Invalid=890, Unknown=1, NotChecked=0, Total=1190 [2024-11-20 18:54:54,162 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 73 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:54,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 135 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 278 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-20 18:54:54,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-20 18:54:54,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-20 18:54:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 39 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-11-20 18:54:54,168 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 46 [2024-11-20 18:54:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:54,168 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-11-20 18:54:54,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-20 18:54:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2024-11-20 18:54:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 18:54:54,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:54,169 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:54,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:54:54,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:54,369 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:54,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:54,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1930700527, now seen corresponding path program 1 times [2024-11-20 18:54:54,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:54,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222637715] [2024-11-20 18:54:54,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 18:54:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:54:54,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:54,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222637715] [2024-11-20 18:54:54,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222637715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:54:54,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:54:54,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:54:54,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783949668] [2024-11-20 18:54:54,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:54:54,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:54:54,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:54,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:54:54,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:54,422 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:54:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:54,439 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2024-11-20 18:54:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:54:54,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2024-11-20 18:54:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:54,440 INFO L225 Difference]: With dead ends: 47 [2024-11-20 18:54:54,440 INFO L226 Difference]: Without dead ends: 46 [2024-11-20 18:54:54,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:54:54,440 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 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 [2024-11-20 18:54:54,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-20 18:54:54,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-20 18:54:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.0) internal successors, (38), 38 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:54:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2024-11-20 18:54:54,443 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 53 [2024-11-20 18:54:54,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:54,443 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2024-11-20 18:54:54,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-20 18:54:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2024-11-20 18:54:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-20 18:54:54,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:54:54,444 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:54,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 18:54:54,444 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-20 18:54:54,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:54:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash 308886325, now seen corresponding path program 1 times [2024-11-20 18:54:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:54:54,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431445629] [2024-11-20 18:54:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:54,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:54:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:54:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:54:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:54:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 18:54:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 18:54:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:54:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:54:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431445629] [2024-11-20 18:54:54,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431445629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:54:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504399047] [2024-11-20 18:54:54,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:54:54,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:54:54,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:54:54,505 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) [2024-11-20 18:54:54,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:54:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:54:54,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:54:54,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:54:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:54:54,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:54:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:54:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504399047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:54:54,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:54:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-20 18:54:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758804834] [2024-11-20 18:54:54,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:54:54,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:54:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:54:54,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:54:54,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:54:54,627 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-20 18:54:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:54:54,658 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-20 18:54:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:54:54,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 57 [2024-11-20 18:54:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:54:54,659 INFO L225 Difference]: With dead ends: 46 [2024-11-20 18:54:54,659 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:54:54,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:54:54,660 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:54:54,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 84 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:54:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:54:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:54:54,660 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) [2024-11-20 18:54:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:54:54,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2024-11-20 18:54:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:54:54,661 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:54:54,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-20 18:54:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:54:54,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:54:54,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-20 18:54:54,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-20 18:54:54,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-20 18:54:54,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-20 18:54:54,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-20 18:54:54,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-20 18:54:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-20 18:54:54,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-20 18:54:54,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:54:54,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 18:54:54,868 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:54:54,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:54:55,133 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:54:55,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:54:55 BoogieIcfgContainer [2024-11-20 18:54:55,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:54:55,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:54:55,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:54:55,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:54:55,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:21" (3/4) ... [2024-11-20 18:54:55,160 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:54:55,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-20 18:54:55,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-20 18:54:55,167 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 18:54:55,167 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 18:54:55,167 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 18:54:55,167 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:54:55,233 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:54:55,233 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:54:55,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:54:55,234 INFO L158 Benchmark]: Toolchain (without parser) took 33926.39ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 103.4MB in the beginning and 199.6MB in the end (delta: -96.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,234 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 128.2MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:54:55,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.10ms. Allocated memory is still 176.2MB. Free memory was 103.2MB in the beginning and 90.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.47ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 145.8MB in the end (delta: -55.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,235 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 144.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,235 INFO L158 Benchmark]: RCFGBuilder took 300.54ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 144.0MB in the beginning and 214.6MB in the end (delta: -70.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,235 INFO L158 Benchmark]: TraceAbstraction took 33270.46ms. Allocated memory was 255.9MB in the beginning and 308.3MB in the end (delta: 52.4MB). Free memory was 214.6MB in the beginning and 204.8MB in the end (delta: 9.8MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,235 INFO L158 Benchmark]: Witness Printer took 76.26ms. Allocated memory is still 308.3MB. Free memory was 204.8MB in the beginning and 199.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 18:54:55,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 128.2MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.10ms. Allocated memory is still 176.2MB. Free memory was 103.2MB in the beginning and 90.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.47ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 145.8MB in the end (delta: -55.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.62ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 144.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.54ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 144.0MB in the beginning and 214.6MB in the end (delta: -70.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 33270.46ms. Allocated memory was 255.9MB in the beginning and 308.3MB in the end (delta: 52.4MB). Free memory was 214.6MB in the beginning and 204.8MB in the end (delta: 9.8MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Witness Printer took 76.26ms. Allocated memory is still 308.3MB. Free memory was 204.8MB in the beginning and 199.6MB 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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 3 procedures, 58 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 32.9s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 840 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 831 mSDsluCounter, 1488 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 976 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1556 IncrementalHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 512 mSDtfsCounter, 1556 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 561 SyntacticMatches, 6 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=12, InterpolantAutomatonStates: 110, 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, 17 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 932 NumberOfCodeBlocks, 932 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 928 ConstructedInterpolants, 3 QuantifiedInterpolants, 5459 SizeOfPredicates, 18 NumberOfNonLiveVariables, 698 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 24 InterpolantComputations, 11 PerfectInterpolantSequences, 280/386 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 16 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((((x <= 4294967294) && (0 <= x)) && (y <= 2)) && (1 <= y)) && (a <= 2)) && (b <= 2)) && (1 <= b)) && (((x >= 0) ? (x % 2) : ((x % 2) + 2)) == 0)) && (1 <= (((1 + ((y >= 0) ? (y / 2) : ((y / 2) - 1))) >= 0) ? ((1 + ((y >= 0) ? (y / 2) : ((y / 2) - 1))) % 2) : (((1 + ((y >= 0) ? (y / 2) : ((y / 2) - 1))) % 2) + 2)))) && (z == 0)) && (0 <= a)) || (((((((((0 <= x) && (y <= 2)) && (1 <= y)) && (a <= 2)) && (b <= 2)) && (1 <= b)) && (z == 0)) && (0 <= a)) && (x <= 2))) || ((((((((((0 <= x) && (a <= 2)) && (1 <= ((((__int128) y + 1) >= 0) ? (((__int128) y + 1) % 2) : ((((__int128) y + 1) % 2) + 2)))) && (0 <= y)) && (b <= 2)) && (1 <= b)) && (y <= 1)) && ((z + ((__int128) x * y)) < 9223372036854775808U)) && (0 <= a)) && (0 <= z))) - ProcedureContractResult [Line: 9]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:54:55,267 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